Average annual temperature is 29.7 °C
Absolute maximum temperature: 43.8 °C
Absolute minimum temperature: 17.4 °C
Number of sunny days: 253 days
Number of rainy days: 112 days
Look at detailed online map of San Jerónimo
* Weather data for San Jerónimo 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) | 37.6 | 39.5 | 41.1 | 41.9 | 43.4 | 43.8 | 40.8 | 39.9 | 40.8 | 39.9 | 39.0 | 36.8 |
| Average daytime temperature (°C) | 35.4 | 37.3 | 38.4 | 40.1 | 40.5 | 40.7 | 37.8 | 36.8 | 37.7 | 34.9 | 36.4 | 34.4 |
| Average temperature (°C) | 27.6 | 29.1 | 29.3 | 30.8 | 31.9 | 31.9 | 30.4 | 29.9 | 30.4 | 28.5 | 29.3 | 27.1 |
| Average night temperature (°C) | 21.1 | 22.3 | 22.4 | 23.9 | 25.5 | 26.3 | 25.4 | 25.3 | 25.4 | 24.3 | 24.0 | 21.9 |
| Absolute minimum temperature (°C) | 18.4 | 19.5 | 20.5 | 21.2 | 22.6 | 23.7 | 23.1 | 24.1 | 23.9 | 22.1 | 20.2 | 17.4 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.1 | 10.6 | 11.3 | 11.6 | 11.6 | 11.6 | 10.9 | 10.6 | 10.6 | 9.2 | 10.0 | 9.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 3 | 40 | 100 | 89 | 41 | 181 | 26 | 4 |
| Sunny days | 31 | 28 | 30 | 30 | 27 | 23 | 8 | 5 | 12 | 9 | 24 | 26 |
| Rainy days | 0 | 0 | 1 | 0 | 4 | 7 | 23 | 26 | 18 | 22 | 6 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Jerónimo is at