Back to destinations
AI-generated illustrative scene; not a photograph of this destination
AI-generated
Mexico

Chetumal weather & best time to visit

City break

Chetumal at a glance

Best time
Dec – Mar
Warmest month
May · 34°
Warmest sea
Sep · 30.1°
Sunshine a year
2,680 h
Rain a year
1,249 mm
Climate
Tropical
Time zone
UTC−5
Elevation
3 m

Climate in Chetumal

Chetumal has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. May is the warmest month with average highs of 34 °C, while January is the coolest at 29 °C. With around 2,680 hours of sunshine a year, Chetumal is sunny; April is the sunniest month with 8.7 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Chetumal

The best time to visit Chetumal is from December to March. For a beach holiday – sea from 21 °C, warm and mostly dry – go from February to April. From April to May and in August it can get very hot, with highs of up to 34 °C. The rainy season is from June to October; the wettest month is June with 199 mm.

Chetumal through the seasons

How the weather changes over the seasons, with averages for each.

Chetumal in the dry season

Nov – May

56

Fair

  • 29–34 °C by day
  • Sea 27 °C
  • 7.5 h of sun a day
  • 79 rainy days in all

Chetumal in the rainy season

Jun – Oct

31

Poor

  • 31–33 °C by day
  • Sea 30 °C
  • 7.2 h of sun a day
  • 114 rainy days in all

Which month for what?

Beach & swimming

Feb – Apr

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Peak heat

Apr – May, Aug

Highs of 33 °C or more

Rainy months

Jun – Oct

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Chetumal for you.

Swimming in the sea
Sunshine
Little rain

Your best months: December – February

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

36

Holiday weather in October

Poor

Best time to visit: December – March

October is the peak of the hurricane season Hurricane season

Keep in mindFrequent rainStorm season

A typical day in October

  1. Morning, 08:00: about 25°
  2. Midday, 13:00: about 31°
  3. Afternoon, 16:00: about 31°
  4. Evening, 20:00: about 27°
  5. Night, 23:00: about 26°

06:4618:31

Warm enough for a T-shirt in the evening.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 06:33–07:16 · evening 18:02–18:45
Blue hour
Morning 06:24–06:33 · evening 18:45–18:53

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Chetumal compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 32° at the start of the month to 30° at the end. The sea cools from 30° to 28°. The days get 0.5 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high32°30°
Night-time low24°22°
Sea30°28°
Daylight12.0 h11.5 h

What is the weather like in Chetumal in October?

In October, Chetumal is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 6.2 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 194 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is not an ideal month for a holiday in Chetumal.

More details for October

Daylight
11 h 45 min06:46 – 18:31
UV index
10 · very highclear sky, noon (estimate)All months
Muggy days
30 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
64 %on averageAll months
Hot days
24 days30 °C or moreAll months
Time zone
UTC−5offset from UTC

How the score comes together

  • Temperatureweight 50 %50 %
  • Sunshineweight 20 %53 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Compare two months in Chetumal

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

February has the better holiday weather in Chetumal: score 69 against 36. In February, days are 1 °C cooler than in October. The sea is 3 °C cooler in February. February has 14 fewer rainy days. The sun shines 2 hours longer a day in February.

October vs February, Chetumal
MonthOctoberFebruary
Holiday weather score3669better
Daytime high31°30°
Night-time low23°21°
Sea29.2°26.2°
Sunshine6.2 h7.8 hbetter
Rainy days228better
Rainfall194 mm28 mmbetter
Muggy days3023better

Based on the climate averages 1996–2025.

Chetumal month by month

The typical weather for every month at a glance.

64January29° · Sea 26° · 6.3 h

In January, Chetumal is hot: daytime highs average 29 °C, and even at night it stays warm at around 20 °C. The sea averages 25.9 °C – pleasant for swimming. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 50 mm in total. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is a good month for a holiday in Chetumal.

Chetumal in January
69February30° · Sea 26° · 7.8 h

In February, Chetumal is hot: daytime highs average 30 °C, and even at night it stays warm at around 21 °C. The sea averages 26.2 °C – lovely and warm for swimming. The sun shines for around 7.8 hours a day. Rain falls on about 8 days, adding up to 28 mm. On about 13 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is a good month for a holiday in Chetumal.

Chetumal in February
62March31° · Sea 27° · 8.2 h

In March, Chetumal is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 26.9 °C – lovely and warm for swimming. The sun shines for around 8.2 hours a day. Rain falls on about 8 days, adding up to 27 mm. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Chetumal.

Chetumal in March
52April33° · Sea 28° · 8.7 h

In April, Chetumal is very hot: daytime highs average 33 °C, and even at night it stays warm at around 24 °C. The sea averages 28.0 °C – lovely and warm for swimming. The sun shines for around 8.7 hours a day. Rain falls on about 8 days, adding up to 29 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a so-so month for a holiday in Chetumal.

Chetumal in April
33May34° · Sea 29° · 8.5 h

In May, Chetumal is very hot: daytime highs average 34 °C, and even at night it stays warm at around 25 °C. The sea averages 29.0 °C – almost as warm as a bath. The sun shines for around 8.5 hours a day. It rains often – on about 15 days, adding up to 93 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is not an ideal month for a holiday in Chetumal.

Chetumal in May
30June32° · Sea 29° · 7.0 h

In June, Chetumal is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 29.3 °C – almost as warm as a bath. The sun shines for around 7.0 hours a day. It is the rainy season: rain falls on about 22 days, totalling 199 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is not an ideal month for a holiday in Chetumal.

Chetumal in June
29July33° · Sea 30° · 7.7 h

In July, Chetumal is hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 29.5 °C – almost as warm as a bath. The sun shines for around 7.7 hours a day. It is the rainy season: rain falls on about 22 days, totalling 126 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is not an ideal month for a holiday in Chetumal.

Chetumal in July
29August33° · Sea 30° · 8.0 h

In August, Chetumal is very hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 30.0 °C – almost as warm as a bath. The sun shines for around 8.0 hours a day. It is the rainy season: rain falls on about 24 days, totalling 161 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is not an ideal month for a holiday in Chetumal.

Chetumal in August
29September33° · Sea 30° · 7.0 h

In September, Chetumal is hot: daytime highs average 33 °C, and even at night it stays warm at around 24 °C. The sea averages 30.1 °C – almost as warm as a bath. The sun shines for around 7.0 hours a day. It is the rainy season: rain falls on about 24 days, totalling 180 mm. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is not an ideal month for a holiday in Chetumal.

Chetumal in September
36October31° · Sea 29° · 6.2 h

In October, Chetumal is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 6.2 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 194 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is not an ideal month for a holiday in Chetumal.

Chetumal in October
53November29° · Sea 28° · 6.4 h

In November, Chetumal is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 27.6 °C – lovely and warm for swimming. Expect around 6.4 hours of sunshine a day. It rains often – on about 15 days, adding up to 107 mm. On about 12 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a so-so month for a holiday in Chetumal.

Chetumal in November
60December29° · Sea 27° · 6.3 h

In December, Chetumal is hot: daytime highs average 29 °C, and even at night it stays warm at around 21 °C. The sea averages 26.5 °C – lovely and warm for swimming. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 57 mm in total. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Chetumal.

Chetumal in December

Climate in detail

Year & climate table

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Chetumal

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Warm 20–24°
  • Hot 24° and more
  • muggy month (15+ muggy days)

WarmOctober: nights around 23°. Tropical nights: a fan or air conditioning helps. Muggy on about 30 days (dew point 18 °C or more).

The coolest nights are in January (20°), the warmest in May (25°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) all year, on about 334 days a year.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 31°Night 23°Sea 29°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan6429°20°25.9°6.3 h1250
FebruaryFeb6930°21°26.2°7.8 h828
MarchMar6231°22°26.9°8.2 h827
AprilApr5233°24°28.0°8.7 h829
MayMay3334°25°29.0°8.5 h1593
JuneJun3032°25°29.3°7.0 h22199
JulyJul2933°25°29.5°7.7 h22126
AugustAug2933°25°30.0°8.0 h24161
SeptemberSep2933°24°30.1°7.0 h24180
OctoberOct3631°23°29.2°6.2 h22194
NovemberNov5329°22°27.6°6.4 h15107
DecemberDec6029°21°26.5°6.3 h1457

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

18.52° N, 88.30° W · 3 m · America/Cancun

Sea temperature
Swimming calendar

Sea temperature in Chetumal

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October29.2°Cvery warm

8 in 10 years: 28.3 – 29.9 °C

Swimming season: all year

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 29.2°8 in 10 years 28.3° – 29.9°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Chetumal ranges from 25.9 °C in January to 30.1 °C in September. At 20 °C and more, the sea is warm enough for swimming all year round.

The sea temperature varies from year to year: in September, eight out of ten years were between 29.4 and 30.5 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan25.9°25.3°26.4°pleasant
FebruaryFeb26.2°25.5°26.8°warm
MarchMar26.9°26.0°27.7°warm
AprilApr28.0°27.5°28.6°warm
MayMay29.0°28.4°29.8°very warm
JuneJun29.3°28.5°29.8°very warm
JulyJul29.5°29.0°30.2°very warm
AugustAug30.0°29.5°30.7°very warm
SeptemberSep30.1°29.4°30.5°very warm
OctoberOct29.2°28.3°29.9°very warm
NovemberNov27.6°26.6°28.6°warm
DecemberDec26.5°25.9°27.2°warm
Sunshine
Sunshine

Sunshine hours in Chetumal

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,680 hours
Sunniest month
Apr · 8.7 h a day
Least sunshine
Oct · 6.2 h a day
OctoberSunshine 6.2 hDaylight 11.7 hShare of daylight 53 %
SunshineDaylight

In October, the sun shines for about 6.2 of 11.7 hours of daylight in Chetumal, 53 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain
Rain

Rain in Chetumal: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
1,249 mm on 193 days
Wettest month
Jun · 199 mm
Driest month
Mar · 27 mm
OctoberRainy days 22Rainfall 194 mm

In October, Chetumal has about 22 rainy days with 194 mm of rain in total.

UV index
Sun protection

UV index in Chetumal

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
10 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.

The sun is strongest in May (UV 13).

Minutes until sunburn in October

Very fair skin
about 15 min
Fair skin
about 15 min
Light brown skin
about 25 min
Olive skin
about 30 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds
Wind & clouds

Wind and clouds in Chetumal

How breezy and how cloudy Chetumal is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
18 km/h · gentle breeze
Windiest month
Apr · 21 km/h
Calmest month
Sep · 15 km/h
OctoberWind 16 km/hBeaufort 3
20
WindBeaufort 4

In October, the wind in Chetumal typically peaks at 16 km/h during the day: Beaufort 3, gentle breeze.

Breezy months for windsurfing and kiting

From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Mar – May.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
53 % · variable cloud
Clearest month
Mar · 36 %
Cloudiest month
Jun · 70 %
OctoberCloud cover 64 %Sunshine 6.2 h

In October, cloud covers on average 64 % of the sky over Chetumal: variable cloud, with about 6.2 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity
Heat & humidity

Heat and humidity in Chetumal

How often the day gets hot in Chetumal (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
260 days
Hottest month
May · 34 °C
Hot months
Mar – Oct

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 24Daytime high 31 °C

In October, Chetumal has about 24 hot days, with an average daytime high of 31 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Planning a trip to Chetumal

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Chetumal in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Chetumal has its best school-holiday weather during the Christmas holidays (score 62) and its weakest during the summer holidays (score 29).

  • Easter holidays

    Mar – Apr

    55

    Fair

    • 33 °C by day
    • Sea 28 °C
    • 8.5 h of sun a day
    • 8 rainy days a month

    Good for: Beach & swimming

    Keep in mind: Peak heat

  • May half-term

    May – Jun

    32

    Poor

    • 33 °C by day
    • Sea 29 °C
    • 8.2 h of sun a day
    • 16 rainy days a month

    Keep in mind: Peak heat

  • Summer holidays

    Jul – Aug

    29

    Poor

    • 33 °C by day
    • Sea 30 °C
    • 7.9 h of sun a day
    • 23 rainy days a month

    Keep in mind: Peak heat, Frequent rain, Storm season

  • October half-term

    Oct

    36

    Poor

    • 31 °C by day
    • Sea 29 °C
    • 6.2 h of sun a day
    • 22 rainy days a month

    Keep in mind: Frequent rain, Storm season

  • Christmas holidays

    Dec – Jan

    62

    GoodBest holidays

    • 29 °C by day
    • Sea 26 °C
    • 6.3 h of sun a day
    • 13 rainy days a month

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 10 h 25 min
Distance
8,260 km
Time zone
UTC−5
Jet lag
About 4 days (6 h west)

Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Good to know: Mexico

Currency
Mexican Peso (MXN)
Language
Spanish
Sockets
Type A, B · 127 V
Traffic
Drives on the right
Dialling code
+52
Emergency number
911

UK plugs need a travel adapter

Only 127 V: chargers marked 100–240 V work, other devices need a voltage converter.

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Storm season

Chetumal lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.

  1. January
  2. February
  3. March
  4. April
  5. May
  6. June: Season
  7. July: Season
  8. August: Peak
  9. September: Peak
  10. October: Peak
  11. November: Season
  12. December

Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.

Compare & alternatives

Compare with another place
Compare

Chetumal compared

Put Chetumal side by side with another destination.

Nearby:
Compare with home:

Chetumal vs Bacalar

In October the holiday weather in Chetumal and Bacalar is about equally good (score 36 vs 35). During the day it is about as warm in Bacalar as in Chetumal.

Chetumal vs Bacalar, in October
in OctoberChetumalBacalar
Holiday weather score3635
Daytime high31°31°
Sea29°no sea nearby
Sunshine6 h6 h
Rainy days2221
Best timeDec – MarDec – Mar

Through the year

OctoberChetumal 31°Bacalar 31°
ChetumalBacalar
Go to Bacalar
Best places in the country
Ranking

Mexico in October: the best places

In October, Chetumal ranks 26 among the 31 nearest destinations in this country.

  1. Teotihuacan23°77
  2. 2Progreso32°28°76
  3. 3Oaxaca de Juárez25°76
  4. 4Mexico City23°76
  5. 5Heroica Puebla de Zaragoza24°71
  6. 6Pachuca21°71
  7. 7Xochimilco23°71
  8. 8Tulum30°29°70
  9. 26ChetumalThis page31°29°36
All destinations: Mexico
Places nearby

Near Chetumal

Other destinations close by.

Places with a similar climate

Places with a climate like Chetumal

Destinations whose weather through the year is closest to Chetumal's – good alternatives.

  1. 76 % similar70TulumMexico30°29°Best time: Nov – May
  2. 76 % similar30San CristóbalDominican Republic32°29°Best time: Jan – Mar
  3. 75 % similar69Playa del CarmenMexico30°29°Best time: Nov – May
  4. 75 % similar44La CeibaHonduras30°29°Best time: Jan – Apr

Frequently asked questions about Chetumal

When is the best time to visit Chetumal?

The best time to visit Chetumal is from December to March. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Chetumal?

The sea temperature in Chetumal ranges from 25.9 °C in January to 30.1 °C in September. At 20 °C and more, the sea is warm enough for swimming all year round.

Can you swim in Chetumal in October?

Yes. In October the sea averages 29.2 °C – almost as warm as a bath.

What is the warmest month in Chetumal?

May is the warmest month, with average highs of 34 °C and nights around 25 °C. January is the coolest month at 29 °C.

When does it rain most in Chetumal?

The rainy season is from June to October; the wettest month is June with 199 mm. The driest month is March with 27 mm.

How many hours of sunshine does Chetumal get?

Chetumal gets around 2,680 hours of sunshine a year. The sunniest month is April with 8.7 hours a day; in October there are 6.2 hours a day.

What time zone is Chetumal in?

Chetumal is on UTC−5 all year.

How long is the flight from London to Chetumal?

A nonstop flight from London to Chetumal takes about 10 h 25 min, for a straight-line distance of about 8,260 km.

When is hurricane season in Chetumal?

Chetumal lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.

Which school holidays are best for Chetumal?

Chetumal has its best school-holiday weather during the Christmas holidays (score 62) and its weakest during the summer holidays (score 29). Holiday ratings (0–100): Easter holidays 55, May half-term 32, summer holidays 29, October half-term 36, Christmas holidays 62.