Climate averages 1991–2020
San Luis Río Colorado weather
in October.
A hot, very dry month: the 6th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in San Luis Río Colorado: daytime highs average 32.0°C and nights cool to about 18.5°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 4.9 mm of rain on fewer than one day, which makes October a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 24 min on an average October day.
The nearest other city in this atlas is Yuma (33 km away). In October its highs average 32.4°C, about as warm as San Luis Río Colorado, with 4.8 mm of rain.
Among the 153 cities listed in Mexico, San Luis Río Colorado ranks 8th of 153 for the warmest October highs and 1st of 153 for the driest October (rainfall, lowest first). The mean October high of those 153 cities is 25.7°C; San Luis Río Colorado is 6.3°C warmer than that mean.
From October to November, average highs fall by 6.8°C to 25.2°C, and monthly rainfall rises from 4.9 mm to 5.5 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
San Luis Río Colorado climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.0°C8.6°C | 8.6°C | 9.2 | 1.5 | 10.310 h |
| February | 22.9°C9.9°C | 9.9°C | 13 | 2.3 | 11.011 h |
| March | 26.7°C12.5°C | 12.5°C | 10 | 1.5 | 12.012 h |
| April | 30.3°C15.3°C | 15.3°C | 3.0 | 0.6 | 13.013 h |
| May | 34.5°C18.9°C | 18.9°C | 0.7 | 0.2 | 13.814 h |
| June | 39.3°C23.1°C | 23.1°C | 0.6 | 0.2 | 14.214 h |
| July | 41.2°C27.4°C | 27.4°C | 4.8 | 1.5 | 14.114 h |
| August | 40.8°C28.0°C | 28.0°C | 11 | 2.9 | 13.313 h |
| September | 37.9°C24.8°C | 24.8°C | 13 | 2.2 | 12.412 h |
| October, selected | 32.0°C18.5°C | 18.5°C | 4.9 | 0.9 | 11.411 h |
| November | 25.2°C12.5°C | 12.5°C | 5.5 | 0.8 | 10.511 h |
| December | 19.9°C8.1°C | 8.1°C | 9.2 | 1.7 | 10.110 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Yuma in OctoberUnited States · 33 kmHigh 32.4°C · Low 18.2°C · 4.8 mm rain
- Mexicali in OctoberMexico · 67 kmHigh 31.9°C · Low 18.4°C · 5.2 mm rain
- Ensenada in OctoberMexico · 184 kmHigh 24.8°C · Low 15.7°C · 12 mm rain
- Indio in OctoberUnited States · 195 kmHigh 31.3°C · Low 18.9°C · 8.0 mm rain
- El Cajon in OctoberUnited States · 209 kmHigh 24.6°C · Low 14.6°C · 15 mm rain
- Tijuana in OctoberMexico · 210 kmHigh 22.3°C · Low 15.2°C · 15 mm rain
- Rosarito in OctoberMexico · 214 kmHigh 22.5°C · Low 16.0°C · 13 mm rain
- Chula Vista in OctoberUnited States · 218 kmHigh 22.3°C · Low 15.3°C · 15 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Luis Río Colorado) is explained once on the San Luis Río Colorado year overview and on the Sources, method and limits page.