Average annual temperature is 18.5 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: 3.6 °C
Number of sunny days: 186 days
Number of rainy days: 179 days
Look at detailed online map of San Jerónimo Alfaro
* Weather data for San Jerónimo Alfaro 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) | 28.4 | 31.0 | 31.6 | 32.4 | 32.8 | 33.7 | 29.4 | 29.4 | 31.5 | 30.5 | 30.1 | 25.5 |
| Average daytime temperature (°C) | 24.3 | 26.1 | 28.1 | 28.7 | 28.3 | 29.5 | 27.1 | 26.9 | 28.0 | 26.6 | 25.6 | 23.2 |
| Average temperature (°C) | 15.5 | 16.9 | 19.2 | 20.1 | 19.8 | 21.1 | 19.4 | 19.2 | 19.5 | 18.7 | 17.2 | 14.9 |
| Average night temperature (°C) | 6.9 | 8.2 | 10.4 | 11.9 | 12.3 | 13.3 | 12.8 | 13.1 | 12.8 | 12.6 | 10.8 | 8.4 |
| Absolute minimum temperature (°C) | 4.4 | 4.9 | 7.9 | 9.9 | 10.2 | 11.4 | 10.6 | 11.5 | 11.6 | 8.6 | 7.5 | 3.6 |
| 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) | 11.1 | 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) | 10.3 | 10.7 | 11.1 | 11.4 | 11.5 | 11.8 | 11.4 | 10.9 | 11.2 | 10.1 | 10.1 | 9.4 |
| Precipitation (mm) | 0 | 1 | 14 | 32 | 93 | 36 | 101 | 147 | 58 | 59 | 34 | 12 |
| Sunny days | 26 | 27 | 21 | 13 | 10 | 15 | 7 | 6 | 10 | 10 | 19 | 22 |
| Rainy days | 5 | 1 | 10 | 17 | 21 | 15 | 24 | 25 | 20 | 21 | 11 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Jerónimo Alfaro is at