Average annual temperature is 21.5 °C
Absolute maximum temperature: 43.5 °C
Absolute minimum temperature: -1.8 °C
Number of sunny days: 238 days
Number of rainy days: 127 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) | 30.6 | 32.9 | 34.5 | 36.4 | 38.5 | 43.5 | 38.5 | 41.0 | 37.2 | 33.1 | 29.1 | 30.6 |
| Average daytime temperature (°C) | 21.4 | 22.4 | 27.4 | 29.8 | 31.0 | 37.6 | 35.7 | 36.8 | 34.5 | 27.7 | 20.4 | 20.0 |
| Average temperature (°C) | 13.6 | 13.9 | 18.5 | 21.5 | 24.1 | 30.2 | 29.5 | 30.2 | 27.8 | 21.4 | 14.6 | 12.8 |
| Average night temperature (°C) | 7.1 | 7.4 | 11.8 | 15.0 | 18.4 | 23.1 | 23.4 | 23.7 | 21.5 | 16.7 | 10.2 | 6.7 |
| Absolute minimum temperature (°C) | 0.8 | -1.8 | 2.2 | 11.2 | 15.6 | 16.0 | 21.2 | 19.0 | 19.1 | 4.6 | 1.7 | 0.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.9 | 13.6 | 13.9 | 13.8 | 13.1 | 12.3 | 11.5 | 10.7 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.7 | 8.8 | 9.1 | 10.2 | 10.2 | 12.1 | 12.0 | 11.6 | 11.3 | 8.7 | 7.3 | 8.3 |
| Precipitation (mm) | 9 | 3 | 22 | 27 | 122 | 18 | 34 | 95 | 22 | 63 | 21 | 46 |
| Sunny days | 26 | 24 | 22 | 21 | 8 | 17 | 18 | 25 | 18 | 11 | 24 | 24 |
| Rainy days | 5 | 4 | 9 | 9 | 23 | 13 | 13 | 6 | 12 | 20 | 6 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Gerónimo is at