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

San Luis Río Colorado weather & best time to visit

City break

San Luis Río Colorado at a glance

Best time
Nov – Mar
Warmest month
Jul · 43°
Sunshine a year
3,500 h
Rain a year
77 mm
Climate
Hot desert
Time zone
UTC−7
Elevation
36 m

Climate in San Luis Río Colorado

San Luis Río Colorado has a hot desert climate with sunshine almost every day and hardly any rain. July is the warmest month with average highs of 43 °C, while December is the coolest at 21 °C. With around 3,500 hours of sunshine a year, San Luis Río Colorado is very sunny; June is the sunniest month with 12.4 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit San Luis Río Colorado

The best time to visit San Luis Río Colorado is from November to March. For sightseeing, day trips and hiking, conditions are most comfortable from November to February. From May to October it can get very hot, with highs of up to 43 °C. Rain is a rarity all year: only 77 mm fall in an average year.

San Luis Río Colorado through the seasons

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

San Luis Río Colorado in spring

Mar – May

71

Good

  • 28–36 °C by day
  • 10.7 h of sun a day
  • 2 rainy days in all

San Luis Río Colorado in summer

Jun – Aug

50

Fair

  • 41–43 °C by day
  • 11.2 h of sun a day
  • 4 rainy days in all

San Luis Río Colorado in autumn

Sep – Nov

69

Good

  • 26–39 °C by day
  • 8.9 h of sun a day
  • 4 rainy days in all

San Luis Río Colorado in winter

Dec – Feb

95

Excellent

  • 21–24 °C by day
  • 7.4 h of sun a day
  • 5 rainy days in all

Which month for what?

Beach & swimming

No sea nearby

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Nov – Feb

15–28 °C and not too much rain

Peak heat

May – Oct

Highs of 33 °C or more

Find your perfect month

Tell us what you like and we rate every month in San Luis Río Colorado for you.

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

61

Holiday weather in October

Good

Best time to visit: November – March

Keep in mindPeak heat

A typical day in October

  1. Morning, 08:00: about 22°
  2. Midday, 13:00: about 33°
  3. Afternoon, 16:00: about 32°
  4. Evening, 20:00: about 26°
  5. Night, 23:00: about 22°

06:4218:08

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 06:27–07:15 · evening 17:35–18:23
Blue hour
Morning 06:17–06:27 · evening 18:23–18:32

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 San Luis Río Colorado compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 36° at the start of the month to 30° at the end. The days get 0.9 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high36°30°
Night-time low21°15°
Daylight11.9 h11.0 h

What is the weather like in San Luis Río Colorado in October?

In October, San Luis Río Colorado is very hot: daytime highs average 33 °C, and nights cool down to about 18 °C. With around 9.0 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 24 days the thermometer climbs to 30 °C or more. All in all, October is a good month for a holiday in San Luis Río Colorado.

More details for October

Daylight
11 h 26 min06:42 – 18:08
UV index
6 · highclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or moreAll months
Wind
14 km/haverage daily peakAll months
Cloud cover
15 %on averageAll months
Hot days
24 days30 °C or moreAll months
Time zone
UTC−7offset from UTC

How the score comes together

  • Temperatureweight 50 %22 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 30 %100 %

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

What to pack in October

  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty

Compare two months in San Luis Río Colorado

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 San Luis Río Colorado: score 97 against 61. In February, days are 9 °C cooler than in October. February has one more rainy day. The sun shines an hour less a day in February.

October vs February, San Luis Río Colorado
MonthOctoberFebruary
Holiday weather score6197better
Daytime high33°24°
Night-time low18°10°
Sunshine9.0 hbetter8.0 h
Rainy days1better2
Rainfall5 mm10 mm
Muggy days10better

Based on the climate averages 1996–2025.

San Luis Río Colorado month by month

The typical weather for every month at a glance.

94January22° · 7.3 h

In January, San Luis Río Colorado is warm: daytime highs average 22 °C, and nights cool down to about 9 °C. The sun shines for around 7.3 hours a day. It hardly ever rains. All in all, January is an excellent month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in January
97February24° · 8.0 h

In February, San Luis Río Colorado is warm: daytime highs average 24 °C, and nights cool down to about 10 °C. The sun shines for around 8.0 hours a day. It hardly ever rains. All in all, February is an excellent month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in February
93March28° · 9.4 h

In March, San Luis Río Colorado is hot: daytime highs average 28 °C, and nights cool down to about 13 °C. With around 9.4 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 12 days the thermometer climbs to 30 °C or more. All in all, March is an excellent month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in March
69April32° · 11.0 h

In April, San Luis Río Colorado is hot: daytime highs average 32 °C, and nights cool down to about 15 °C. With around 11.0 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 21 days the thermometer climbs to 30 °C or more. All in all, April is a good month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in April
50May36° · 11.8 h

In May, San Luis Río Colorado is very hot: daytime highs average 36 °C, and nights cool down to about 19 °C. With around 11.8 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 29 days the thermometer climbs to 30 °C or more. All in all, May is a so-so month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in May
50June41° · 12.4 h

In June, San Luis Río Colorado is very hot: daytime highs average 41 °C, and even at night it stays warm at around 23 °C. With around 12.4 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The thermometer climbs to 30 °C or more every day. All in all, June is a so-so month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in June
50July43° · 11.0 h

In July, San Luis Río Colorado is very hot: daytime highs average 43 °C, and even at night it stays warm at around 27 °C. With around 11.0 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The thermometer climbs to 30 °C or more every day. All in all, July is a so-so month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in July
50August42° · 10.3 h

In August, San Luis Río Colorado is very hot: daytime highs average 42 °C, and even at night it stays warm at around 28 °C. With around 10.3 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 10 mm in total. The thermometer climbs to 30 °C or more every day. All in all, August is a so-so month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in August
50September39° · 9.9 h

In September, San Luis Río Colorado is very hot: daytime highs average 39 °C, and even at night it stays warm at around 24 °C. With around 9.9 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 15 mm in total. The thermometer climbs to 30 °C or more every day. All in all, September is a so-so month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in September
61October33° · 9.0 h

In October, San Luis Río Colorado is very hot: daytime highs average 33 °C, and nights cool down to about 18 °C. With around 9.0 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 24 days the thermometer climbs to 30 °C or more. All in all, October is a good month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in October
96November26° · 7.9 h

In November, San Luis Río Colorado is warm: daytime highs average 26 °C, and nights cool down to about 12 °C. The sun shines for around 7.9 hours a day. It hardly ever rains. On about 7 days the thermometer climbs to 30 °C or more. All in all, November is an excellent month for a holiday in San Luis Río Colorado.

San Luis Río Colorado in November
93December21° · 7.0 h

In December, San Luis Río Colorado is warm: daytime highs average 21 °C, and nights cool down to about 8 °C. The sun shines for around 7.0 hours a day. It hardly ever rains. All in all, December is an excellent month for a holiday in San Luis Río Colorado.

San Luis Río Colorado 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 San Luis Río Colorado

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

  • Cool 8–15°
  • Pleasant 15–20°
  • Warm 20–24°
  • Hot 24° and more

PleasantOctober: nights around 18°. Ideal for sleeping, often with the window open. Muggy on about 1 day (dew point 18 °C or more).

The coolest nights are in December (8°), the warmest in August (28°). Tropical nights of 20 °C and more are the rule from June to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from April to May and in October.

Temperatures through the year

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

OctoberDay 33°Night 18°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan9422°9°7.3 h18
FebruaryFeb9724°10°8.0 h210
MarchMar9328°13°9.4 h17
AprilApr6932°15°11.0 h03
MayMay5036°19°11.8 h01
JuneJun5041°23°12.4 h01
JulyJul5043°27°11.0 h15
AugustAug5042°28°10.3 h310
SeptemberSep5039°24°9.9 h215
OctoberOct6133°18°9.0 h15
NovemberNov9626°12°7.9 h16
DecemberDec9321°8°7.0 h18

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

32.46° N, 114.77° W · 36 m · America/Hermosillo

Sunshine
Sunshine

Sunshine hours in San Luis Río Colorado

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

Per year
3,500 hours
Sunniest month
Jun · 12.4 h a day
Least sunshine
Dec · 7.0 h a day
OctoberSunshine 9.0 hDaylight 11.4 hShare of daylight 79 %
SunshineDaylight

In October, the sun shines for about 9.0 of 11.4 hours of daylight in San Luis Río Colorado, 79 % 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 San Luis Río Colorado: 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
77 mm on 14 days
Wettest month
Sep · 15 mm
Driest month
May · 1 mm
OctoberRainy days 1Rainfall 5 mm

In October, San Luis Río Colorado has about one rainy day with 5 mm of rain in total.

UV index
Sun protection

UV index in San Luis Río Colorado

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

Clear-sky UV in October
6 · highSeek shade around midday; sunscreen SPF 30+, hat and sunglasses.

The sun is strongest in June (UV 11).

Minutes until sunburn in October

Very fair skin
about 25 min
Fair skin
about 30 min
Light brown skin
about 40 min
Olive skin
about 50 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 San Luis Río Colorado

How breezy and how cloudy San Luis Río Colorado 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
16 km/h · gentle breeze
Windiest month
Apr · 17 km/h
Calmest month
Oct · 14 km/h
OctoberWind 14 km/hBeaufort 3

In October, the wind in San Luis Río Colorado typically peaks at 14 km/h during the day: Beaufort 3, gentle breeze.

Clouds

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

Year average
22 % · mostly sunny
Clearest month
Jun · 10 %
Cloudiest month
Feb · 33 %
OctoberCloud cover 15 %Sunshine 9.0 h

In October, cloud covers on average 15 % of the sky over San Luis Río Colorado: mostly clear, with about 9.0 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 San Luis Río Colorado

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

Hot days a year
215 days
Hottest month
Jul · 43 °C
Hot months
Apr – Oct

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 24Daytime high 33 °C

In October, San Luis Río Colorado has about 24 hot days, with an average daytime high of 33 °C: often hot. Avoid the midday sun, look for shade and drink plenty.

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 San Luis Río Colorado

Weather for your travel dates

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

San Luis Río Colorado 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.

San Luis Río Colorado has its best school-holiday weather during the Christmas holidays (score 94) and its weakest during May half-term (score 50).

  • Easter holidays

    Mar – Apr

    76

    Good

    • 31 °C by day
    • 10.5 h of sun a day
    • 1 rainy day a month
  • May half-term

    May – Jun

    50

    Fair

    • 37 °C by day
    • 11.9 h of sun a day
    • 0 rainy days a month

    Keep in mind: Peak heat

  • Summer holidays

    Jul – Aug

    50

    Fair

    • 43 °C by day
    • 10.5 h of sun a day
    • 2 rainy days a month

    Keep in mind: Peak heat

  • October half-term

    Oct

    61

    Good

    • 33 °C by day
    • 9.0 h of sun a day
    • 1 rainy day a month

    Keep in mind: Peak heat

  • Christmas holidays

    Dec – Jan

    94

    ExcellentBest holidays

    • 22 °C by day
    • 7.2 h of sun a day
    • 1 rainy day a month

    Good for: Sightseeing & walks

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 11 h
Distance
8,700 km
Time zone
UTC−7
Jet lag
About 5 days (8 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.

Compare & alternatives

Compare with another place
Compare

San Luis Río Colorado compared

Put San Luis Río Colorado side by side with another destination.

Nearby:
Compare with home:

San Luis Río Colorado vs Mexicali

In October the holiday weather in San Luis Río Colorado and Mexicali is about equally good (score 61 vs 59). During the day Mexicali is 1 °C warmer than San Luis Río Colorado.

San Luis Río Colorado vs Mexicali, in October
in OctoberSan Luis Río ColoradoMexicali
Holiday weather score6159
Daytime high33°34°
Sunshine9 h9 h
Rainy days11
Best timeNov – MarNov – Mar

Through the year

OctoberSan Luis Río Colorado 33°Mexicali 34°
San Luis Río ColoradoMexicali
Go to Mexicali
Best places in the country
Ranking

Mexico in October: the best places

In October, San Luis Río Colorado ranks 23 among the 31 nearest destinations in this country.

  1. San Felipe30°27°100
  2. 2Puerto Peñasco30°27°100
  3. 3Loreto30°29°100
  4. 4Todos Santos31°28°100
  5. 5Ensenada24°19°98
  6. 6Durango26°98
  7. 7Valle de Guadalupe25°97
  8. 8Tecate26°97
  9. 23San Luis Río ColoradoThis page33°61
All destinations: Mexico
Places nearby

Near San Luis Río Colorado

Other destinations close by.

Places with a similar climate

Places with a climate like San Luis Río Colorado

Destinations whose weather through the year is closest to San Luis Río Colorado's – good alternatives.

  1. 85 % similar62TindoufAlgeria33°Best time: Nov – Mar
  2. 83 % similar68PhoenixUSA32°Best time: Nov – Mar
  3. 82 % similar58AsyutEgypt34°Best time: Nov – Mar
  4. 81 % similar73ZagoraMorocco31°Best time: Nov – Mar

Frequently asked questions about San Luis Río Colorado

When is the best time to visit San Luis Río Colorado?

The best time to visit San Luis Río Colorado is from November to March. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

What is the warmest month in San Luis Río Colorado?

July is the warmest month, with average highs of 43 °C and nights around 27 °C. December is the coolest month at 21 °C.

When does it rain most in San Luis Río Colorado?

Rain is a rarity all year: only 77 mm fall in an average year.

How many hours of sunshine does San Luis Río Colorado get?

San Luis Río Colorado gets around 3,500 hours of sunshine a year. The sunniest month is June with 12.4 hours a day; in December there are 7.0 hours a day.

What time zone is San Luis Río Colorado in?

San Luis Río Colorado is on UTC−7 all year.

How long is the flight from London to San Luis Río Colorado?

A nonstop flight from London to San Luis Río Colorado takes about 11 h, for a straight-line distance of about 8,700 km.

Which school holidays are best for San Luis Río Colorado?

San Luis Río Colorado has its best school-holiday weather during the Christmas holidays (score 94) and its weakest during May half-term (score 50). Holiday ratings (0–100): Easter holidays 76, May half-term 50, summer holidays 50, October half-term 61, Christmas holidays 94.