Average annual temperature is 18.7 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: 1.8 °C
Number of sunny days: 274 days
Number of rainy days: 91 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) | 24.3 | 28.1 | 30.4 | 30.5 | 31.6 | 35.3 | 31.3 | 30.3 | 32.8 | 30.2 | 28.3 | 21.5 |
| Average daytime temperature (°C) | 21.9 | 24.4 | 27.5 | 28.3 | 29.2 | 32.6 | 27.8 | 27.4 | 28.9 | 25.4 | 23.3 | 18.4 |
| Average temperature (°C) | 13.9 | 16.0 | 19.1 | 20.4 | 21.6 | 24.6 | 20.7 | 20.3 | 21.3 | 18.5 | 15.7 | 11.9 |
| Average night temperature (°C) | 6.3 | 7.9 | 10.5 | 12.5 | 13.9 | 16.4 | 14.4 | 14.4 | 14.1 | 12.8 | 9.1 | 6.7 |
| Absolute minimum temperature (°C) | 1.8 | 3.1 | 5.5 | 10.3 | 12.0 | 14.3 | 11.3 | 11.8 | 12.0 | 8.0 | 4.6 | 1.8 |
| 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 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.4 | 12.0 | 12.7 | 13.2 | 13.4 | 13.3 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| 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) | 10.0 | 10.5 | 11.3 | 11.6 | 11.8 | 12.2 | 12.0 | 11.3 | 11.3 | 10.0 | 9.7 | 7.6 |
| Precipitation (mm) | 0 | 0 | 0 | 3 | 13 | 7 | 72 | 98 | 17 | 45 | 43 | 52 |
| Sunny days | 30 | 28 | 30 | 26 | 21 | 27 | 13 | 12 | 26 | 17 | 21 | 23 |
| Rainy days | 1 | 0 | 1 | 4 | 10 | 3 | 18 | 19 | 4 | 14 | 9 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Gerónimo is at