Climate averages 1991–2020
Mexicali weather
in August.
A very hot, very dry month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in Mexicali: daytime highs average 41.6°C and nights cool to about 27.9°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 8.7 mm of rain on roughly 3 days, which makes August a very dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 21 min on an average August day.
The nearest other city in this atlas is San Luis Río Colorado (67 km away). In August its highs average 40.8°C, 0.8°C cooler than Mexicali, with 11 mm of rain.
Among the 153 cities listed in Mexico, Mexicali ranks 1st of 153 for the warmest August highs and 4th of 153 for the driest August (rainfall, lowest first). The mean August high of those 153 cities is 27.9°C; Mexicali is 13.7°C warmer than that mean.
From August to September, average highs fall by 3.3°C to 38.3°C, and monthly rainfall rises from 8.7 mm to 8.9 mm.
The annual picture
August 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
Mexicali climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 20.9°C9.7°C | 9.7°C | 9.4 | 1.7 | 10.310 h |
| February | 22.9°C10.7°C | 10.7°C | 12 | 2.0 | 11.011 h |
| March | 26.9°C12.9°C | 12.9°C | 7.9 | 1.1 | 12.012 h |
| April | 30.6°C15.3°C | 15.3°C | 2.9 | 0.5 | 13.013 h |
| May | 34.9°C18.8°C | 18.8°C | 0.8 | 0.2 | 13.814 h |
| June | 40.0°C23.1°C | 23.1°C | 0.2 | 0.0 | 14.314 h |
| July | 42.1°C27.5°C | 27.5°C | 5.4 | 1.5 | 14.114 h |
| August, selected | 41.6°C27.9°C | 27.9°C | 8.7 | 2.5 | 13.413 h |
| September | 38.3°C24.3°C | 24.3°C | 8.9 | 1.4 | 12.412 h |
| October | 31.9°C18.4°C | 18.4°C | 5.2 | 0.7 | 11.411 h |
| November | 25.0°C13.2°C | 13.2°C | 4.3 | 0.6 | 10.511 h |
| December | 19.8°C9.3°C | 9.3°C | 9.1 | 1.6 | 10.010 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
August in nearby cities
- San Luis Río Colorado in AugustMexico · 67 kmHigh 40.8°C · Low 28.0°C · 11 mm rain
- Yuma in AugustUnited States · 78 kmHigh 41.5°C · Low 28.2°C · 11 mm rain
- Ensenada in AugustMexico · 137 kmHigh 28.4°C · Low 20.8°C · 1.8 mm rain
- Indio in AugustUnited States · 141 kmHigh 41.0°C · Low 27.8°C · 8.6 mm rain
- El Cajon in AugustUnited States · 142 kmHigh 28.3°C · Low 18.7°C · 1.8 mm rain
- Tijuana in AugustMexico · 146 kmHigh 24.8°C · Low 18.6°C · 1.2 mm rain
- Rosarito in AugustMexico · 152 kmHigh 24.9°C · Low 19.3°C · 0.4 mm rain
- Chula Vista in AugustUnited States · 153 kmHigh 24.5°C · Low 18.1°C · 1.8 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 Mexicali) is explained once on the Mexicali year overview and on the Sources, method and limits page.