AI-generatedIsla Mujeres at a glance
- Best time
- Jul, Nov – May
- Warmest month
- Aug · 30°
- Warmest sea
- Aug · 29.3°
- Sunshine a year
- 2,550 h
- Rain a year
- 1,165 mm
- Climate
- Tropical
- Time zone
- UTC−5
- Elevation
- 1 m
Climate in Isla Mujeres
Isla Mujeres has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. August is the warmest month with average highs of 30 °C, while January is the coolest at 25 °C. With around 2,550 hours of sunshine a year, Isla Mujeres is sunny; July is the sunniest month with 8.7 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: July, November – May
October is the peak of the hurricane season
Keep in mindFrequent rainStorm season
A typical day in October
- Morning, 08:00: about 26°
- Midday, 13:00: about 28°
- Afternoon, 16:00: about 28°
- Evening, 20:00: about 27°
- Night, 23:00: about 26°
06:4218:23
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 06:28–07:12 · evening 17:54–18:37
- Blue hour
- Morning 06:19–06:28 · evening 18:37–18:46
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.
What is the weather like in Isla Mujeres in October?
In October, Isla Mujeres is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 20 days, totalling 181 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Isla Mujeres.
More details for October
- Daylight
- 11 h 42 min06:42 – 18:23
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 57 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Time zone
- UTC−5America/Cancun
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Sea temperature in Isla Mujeres
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 28.4 – 29.5 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Isla Mujeres ranges from 26.4 °C in February to 29.3 °C in August. At 20 °C and more, the sea is warm enough for swimming all year round.
From October to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 28.8 and 29.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 26.6° | 26.2° | 27.2° | warm |
| FebruaryFeb | 26.4° | 25.8° | 26.9° | warm |
| MarchMar | 26.5° | 26.0° | 27.0° | warm |
| AprilApr | 27.0° | 26.7° | 27.4° | warm |
| MayMay | 27.9° | 27.5° | 28.3° | warm |
| JuneJun | 28.5° | 28.1° | 28.9° | warm |
| JulyJul | 28.9° | 28.5° | 29.3° | warm |
| AugustAug | 29.3° | 28.8° | 29.8° | very warm |
| SeptemberSep | 29.3° | 28.9° | 29.8° | very warm |
| OctoberOct | 28.9° | 28.4° | 29.5° | warm |
| NovemberNov | 28.1° | 27.6° | 28.8° | warm |
| DecemberDec | 27.3° | 26.5° | 28.0° | warm |
Sunshine hours in Isla Mujeres
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.9 of 11.7 hours of daylight in Isla Mujeres, 50 % of the day.
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.
UV index in Isla Mujeres
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 9 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in July (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 20 min
- Light brown skin
- about 25 min
- Olive skin
- about 35 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, 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.
Rain in Isla Mujeres: 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.
In October, Isla Mujeres has about 20 rainy days with 181 mm of rain in total.
Wind and clouds in Isla Mujeres
How breezy and how cloudy Isla Mujeres 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.
In October, the wind in Isla Mujeres typically peaks at 18 km/h during the day: Beaufort 3, light 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: Jan – Apr.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 57 % of the sky over Isla Mujeres: variable cloud, with about 5.9 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 and humidity in Isla Mujeres
How often the day gets hot in Isla Mujeres (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Isla Mujeres has about 2 hot days, with an average daytime high of 28 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
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
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Isla Mujeres
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 (10+ muggy days)
HotOctober: nights around 25°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 29 days (dew point 18 °C or more).
The coolest nights are in January (22°), the warmest in July (27°). 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) on about 315 days a year, mostly all year round.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 80 | 25° | 22° | 26.6° | 5.4 h | 10 | 50 |
| FebruaryFeb | 87 | 26° | 23° | 26.4° | 6.5 h | 7 | 37 |
| MarchMar | 91 | 27° | 24° | 26.5° | 7.2 h | 6 | 27 |
| AprilApr | 93 | 28° | 25° | 27.0° | 7.9 h | 6 | 34 |
| MayMay | 86 | 29° | 26° | 27.9° | 8.1 h | 12 | 80 |
| JuneJun | 75 | 29° | 26° | 28.5° | 7.4 h | 19 | 168 |
| JulyJul | 80 | 30° | 27° | 28.9° | 8.7 h | 18 | 110 |
| AugustAug | 77 | 30° | 27° | 29.3° | 8.0 h | 21 | 149 |
| SeptemberSep | 73 | 30° | 26° | 29.3° | 6.8 h | 24 | 193 |
| OctoberOct | 70 | 28° | 25° | 28.9° | 5.9 h | 20 | 181 |
| NovemberNov | 78 | 27° | 24° | 28.1° | 5.9 h | 12 | 83 |
| DecemberDec | 79 | 26° | 23° | 27.3° | 5.8 h | 11 | 55 |
Climate averages 1996–2025, 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
21.23° N, 86.73° W · 1 m · America/Cancun
Best time to visit Isla Mujeres
The best time to visit Isla Mujeres is in July and from November to May. For a beach holiday with the sea above 21 °C, go from November to May. For sightseeing, day trips and hiking, conditions are most comfortable from November to March. Rain is most frequent from June to November; the wettest month is September with 193 mm.
Isla Mujeres through the seasons
How the weather changes over the seasons, with averages for each.
Isla Mujeres in the dry season
Dec – May
Excellent
- 25–29 °C by day
- Sea 27 °C
- 7 h of sun a day
- 52 rainy days in all
Isla Mujeres in the rainy season
Jun – Nov
Good
- 27–30 °C by day
- Sea 29 °C
- 7 h of sun a day
- 113 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Isla Mujeres for you.
Your best months: March – May
Based on the climate averages; tap a month to see its details.
Compare two months in Isla Mujeres
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
April has the better holiday weather in Isla Mujeres: score 93 against 70. Daytime highs are about the same. The sea is 2 °C cooler in April. April has 14 fewer rainy days. The sun shines 2 hours longer a day in April.
| Month | October | April |
|---|---|---|
| Weather score | 70 | 93better |
| Day high | 28° | 28° |
| Night low | 25° | 25° |
| Sea | 28.9° | 27.0° |
| Sunshine | 5.9 h | 7.9 hbetter |
| Rainy days | 20 | 6better |
| Rainfall | 181 mm | 34 mmbetter |
| Muggy days | 29 | 26better |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Nov – May
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Nov – Mar
15–28 °C and not too much rain
Rainy months
Jun – Nov
12 or more rainy days
Isla Mujeres month by month
The typical weather for every month at a glance.
80January25° · Sea 27° · 5 h
In January, Isla Mujeres is warm: daytime highs average 25 °C, and even at night it stays warm at around 22 °C. The sea averages 26.6 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 50 mm in total. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Isla Mujeres.
Isla Mujeres in January87February26° · Sea 26° · 7 h
In February, Isla Mujeres is warm: daytime highs average 26 °C, and even at night it stays warm at around 23 °C. The sea averages 26.4 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain falls on about 7 days, adding up to 37 mm. The air is often humid and muggy. All in all, February is an excellent month for a holiday in Isla Mujeres.
Isla Mujeres in February91March27° · Sea 27° · 7 h
In March, Isla Mujeres is hot: daytime highs average 27 °C, and even at night it stays warm at around 24 °C. The sea averages 26.5 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 27 mm. The air is often humid and muggy. All in all, March is an excellent month for a holiday in Isla Mujeres.
Isla Mujeres in March93April28° · Sea 27° · 8 h
In April, Isla Mujeres is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 27.0 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 34 mm. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Isla Mujeres.
Isla Mujeres in April86May29° · Sea 28° · 8 h
In May, Isla Mujeres is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 80 mm in total. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is an excellent month for a holiday in Isla Mujeres.
Isla Mujeres in May75June29° · Sea 29° · 7 h
In June, Isla Mujeres is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 28.5 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 19 days, totalling 168 mm. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a good month for a holiday in Isla Mujeres.
Isla Mujeres in June80July30° · Sea 29° · 9 h
In July, Isla Mujeres is hot: daytime highs average 30 °C, and even at night it stays warm at around 27 °C. The sea averages 28.9 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. It is the rainy season: rain falls on about 18 days, totalling 110 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Isla Mujeres.
Isla Mujeres in July77August30° · Sea 29° · 8 h
In August, Isla Mujeres is hot: daytime highs average 30 °C, and even at night it stays warm at around 27 °C. The sea averages 29.3 °C – almost as warm as a bath. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 21 days, totalling 149 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Isla Mujeres.
Isla Mujeres in August73September30° · Sea 29° · 7 h
In September, Isla Mujeres is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 29.3 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 24 days, totalling 193 mm. On about 11 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Isla Mujeres.
Isla Mujeres in September70October28° · Sea 29° · 6 h
In October, Isla Mujeres is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 20 days, totalling 181 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Isla Mujeres.
Isla Mujeres in October78November27° · Sea 28° · 6 h
In November, Isla Mujeres is warm: daytime highs average 27 °C, and even at night it stays warm at around 24 °C. The sea averages 28.1 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 83 mm in total. The air is often humid and muggy. All in all, November is a good month for a holiday in Isla Mujeres.
Isla Mujeres in November79December26° · Sea 27° · 6 h
In December, Isla Mujeres is warm: daytime highs average 26 °C, and even at night it stays warm at around 23 °C. The sea averages 27.3 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 55 mm in total. The air is often humid and muggy. All in all, December is a good month for a holiday in Isla Mujeres.
Isla Mujeres in DecemberIsla Mujeres compared
Put Isla Mujeres side by side with another destination.
No destination found
Isla Mujeres vs. Cancún
In October the holiday weather in Isla Mujeres and Cancún is about equally good (score 70 vs. 70). During the day it is about as warm in Cancún as in Isla Mujeres. The sea is about equally warm.
| in October | Isla Mujeres | Cancún |
|---|---|---|
| Holiday score | 70 | 70 |
| Daytime high | 28° | 28° |
| Sea | 29° | 29° |
| Sunshine | 6 h | 6 h |
| Rainy days | 20 | 20 |
| Best time | Jul, Nov – May | Jul, Nov – May |
Through the year
Mexico in October: the best places
In October, Isla Mujeres ranks 13 of 25 destinations in this country.
- Ensenada23°19°98
- 2Tijuana22°97
- 3Cabo San Lucas32°29°95
- 4San Miguel de Allende24°88
- 5Guanajuato24°88
- 6Monterrey26°83
- 7Guadalajara26°83
- 8Oaxaca de Juárez24°77
- 13Isla MujeresThis page28°29°70
Planning a trip to Isla Mujeres
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Isla Mujeres 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.
Isla Mujeres has its best school-holiday weather during the Easter holidays (score 92) and its weakest during October half-term (score 70).
- 92
Easter holidays
Mar – Apr
ExcellentBest holidays
- 28 °C by day
- Sea 27 °C
- 7.7 h of sun a day
- 6 rainy days a month
Good for: Beach & swimming
- 84
May half-term
May – Jun
Excellent
- 29 °C by day
- Sea 28 °C
- 8.0 h of sun a day
- 13 rainy days a month
Good for: Beach & swimming
- 78
Summer holidays
Jul – Aug
Good
- 30 °C by day
- Sea 29 °C
- 8.2 h of sun a day
- 20 rainy days a month
Keep in mind: Frequent rain, Storm season
- 70
October half-term
Oct
Good
- 28 °C by day
- Sea 29 °C
- 5.9 h of sun a day
- 20 rainy days a month
Keep in mind: Frequent rain, Storm season
- 80
Christmas holidays
Dec – Jan
Excellent
- 26 °C by day
- Sea 27 °C
- 5.6 h of sun a day
- 10 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 10 h 5 min
- Distance
- 7,930 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.
Storm season
Isla Mujeres 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.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Isla Mujeres
When is the best time to visit Isla Mujeres?
The best time to visit Isla Mujeres is in July and from November to May. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Isla Mujeres?
The sea temperature in Isla Mujeres ranges from 26.4 °C in February to 29.3 °C in August. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Isla Mujeres in October?
Yes. In October the sea averages 28.9 °C – lovely and warm for swimming.
What is the warmest month in Isla Mujeres?
August is the warmest month, with average highs of 30 °C and nights around 27 °C. January is the coolest month at 25 °C.
When does it rain most in Isla Mujeres?
Rain is most frequent from June to November; the wettest month is September with 193 mm. The driest month is March with 27 mm.
How many hours of sunshine does Isla Mujeres get?
Isla Mujeres gets around 2,550 hours of sunshine a year. The sunniest month is July with 8.7 hours a day; in January there are 5.4 hours a day.
What time zone is Isla Mujeres in?
Isla Mujeres uses the time zone America/Cancun, at UTC−5 all year.
How long is the flight from London to Isla Mujeres?
A nonstop flight from London to Isla Mujeres takes about 10 h 5 min, for a straight-line distance of about 7,930 km.
When is hurricane season in Isla Mujeres?
Isla Mujeres 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 Isla Mujeres?
Isla Mujeres has its best school-holiday weather during the Easter holidays (score 92) and its weakest during October half-term (score 70). Holiday ratings (0–100): Easter holidays 92, May half-term 84, Summer holidays 78, October half-term 70, Christmas holidays 80.
Near Isla Mujeres
Other destinations close by.
Places with a climate like Isla Mujeres
Destinations whose weather through the year is closest to Isla Mujeres's – good alternatives.