Average annual temperature is 18.5 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -1.8 °C
Number of sunny days: 219 days
Number of rainy days: 146 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) | 25.9 | 25.9 | 28.7 | 32.5 | 33.2 | 38.7 | 33.9 | 35.9 | 34.5 | 33.0 | 29.1 | 26.2 |
| Average daytime temperature (°C) | 20.8 | 21.6 | 24.5 | 27.9 | 29.8 | 34.2 | 30.4 | 31.3 | 31.4 | 26.9 | 24.3 | 22.4 |
| Average temperature (°C) | 12.1 | 12.7 | 15.6 | 18.3 | 20.7 | 24.8 | 22.7 | 22.9 | 23.1 | 19.4 | 16.0 | 13.2 |
| Average night temperature (°C) | 4.2 | 4.7 | 7.0 | 8.4 | 10.9 | 15.2 | 16.2 | 16.3 | 15.5 | 13.1 | 9.1 | 5.4 |
| Absolute minimum temperature (°C) | -1.8 | -0.1 | 1.8 | 4.2 | 7.5 | 11.6 | 14.6 | 14.2 | 14.1 | 6.6 | 3.6 | 1.5 |
| 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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.5 |
| 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) | 9.1 | 9.0 | 10.4 | 11.8 | 11.2 | 12.5 | 11.2 | 10.9 | 11.4 | 8.5 | 9.5 | 9.2 |
| Precipitation (mm) | 57 | 97 | 16 | 0 | 10 | 9 | 124 | 69 | 38 | 210 | 21 | 32 |
| Sunny days | 23 | 22 | 29 | 28 | 26 | 16 | 0 | 0 | 6 | 20 | 22 | 27 |
| Rainy days | 8 | 6 | 2 | 2 | 5 | 14 | 31 | 31 | 24 | 11 | 8 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Jerónimo is at