Average annual temperature is 20.4 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: 6.8 °C
Number of sunny days: 213 days
Number of rainy days: 152 days
Look at detailed online map of San Gerónimo
* Weather data for San Gerónimo 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) | 27.5 | 30.2 | 31.6 | 32.8 | 34.2 | 35.3 | 29.9 | 30.0 | 30.3 | 28.5 | 30.5 | 27.4 |
| Average daytime temperature (°C) | 25.3 | 27.0 | 29.0 | 31.2 | 31.7 | 31.4 | 26.6 | 26.4 | 27.3 | 25.3 | 27.3 | 24.6 |
| Average temperature (°C) | 16.9 | 18.3 | 20.1 | 22.4 | 23.8 | 24.2 | 21.1 | 20.8 | 20.9 | 19.8 | 19.5 | 17.3 |
| Average night temperature (°C) | 10.3 | 11.2 | 12.0 | 13.6 | 15.7 | 17.4 | 16.2 | 16.1 | 15.4 | 15.2 | 13.6 | 11.9 |
| Absolute minimum temperature (°C) | 7.2 | 9.4 | 9.8 | 10.9 | 11.5 | 14.7 | 15.1 | 14.1 | 13.5 | 12.9 | 10.6 | 6.8 |
| 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 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.1 | 10.7 | 11.3 | 11.7 | 11.8 | 11.6 | 10.3 | 10.1 | 10.5 | 9.0 | 9.9 | 8.8 |
| Precipitation (mm) | 0 | 0 | 1 | 0 | 12 | 32 | 81 | 87 | 43 | 129 | 50 | 47 |
| Sunny days | 29 | 25 | 29 | 28 | 22 | 16 | 4 | 3 | 13 | 7 | 18 | 19 |
| Rainy days | 2 | 3 | 2 | 2 | 9 | 14 | 27 | 28 | 17 | 24 | 12 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Gerónimo is at