Average annual temperature is 26.7 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 13.6 °C
Number of sunny days: 131 days
Number of rainy days: 234 days
Look at detailed online map of San Chemas
* Weather data for San Chemas Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.0 | 32.7 | 35.6 | 37.7 | 38.1 | 38.7 | 38.2 | 39.1 | 35.6 | 37.1 | 33.7 | 32.6 |
| Average daytime temperature (°C) | 29.3 | 30.3 | 32.7 | 34.9 | 35.4 | 36.0 | 35.3 | 35.1 | 34.3 | 33.5 | 30.5 | 28.5 |
| Average temperature (°C) | 23.9 | 24.5 | 26.0 | 27.3 | 28.2 | 29.0 | 28.9 | 28.6 | 27.8 | 27.5 | 25.5 | 23.5 |
| Average night temperature (°C) | 20.0 | 20.2 | 21.0 | 21.9 | 22.7 | 24.1 | 24.8 | 24.7 | 23.7 | 23.3 | 22.2 | 20.3 |
| Absolute minimum temperature (°C) | 14.9 | 16.1 | 17.4 | 18.8 | 19.4 | 21.1 | 23.1 | 22.8 | 21.7 | 19.1 | 19.3 | 13.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.1 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.5 | 10.2 | 10.5 | 11.4 | 11.5 | 11.6 | 11.1 | 10.4 | 10.8 | 10.6 | 9.6 | 9.1 |
| Precipitation (mm) | 37 | 21 | 69 | 34 | 83 | 102 | 119 | 170 | 110 | 38 | 65 | 65 |
| Sunny days | 16 | 15 | 22 | 20 | 12 | 7 | 4 | 1 | 2 | 13 | 8 | 11 |
| Rainy days | 15 | 13 | 9 | 10 | 19 | 23 | 27 | 30 | 28 | 18 | 22 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Chemas is at