Average annual temperature is 17.5 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: 1.8 °C
Number of sunny days: 156 days
Number of rainy days: 209 days
Look at detailed online map of San Ildefonso
* Weather data for San Ildefonso 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) | 26.1 | 29.2 | 30.2 | 31.5 | 30.3 | 34.3 | 27.5 | 27.2 | 30.1 | 28.5 | 29.5 | 23.8 |
| Average daytime temperature (°C) | 23.1 | 25.1 | 27.1 | 28.4 | 27.6 | 31.0 | 25.6 | 24.5 | 27.2 | 24.6 | 23.9 | 20.0 |
| Average temperature (°C) | 14.2 | 15.3 | 18.0 | 19.6 | 19.5 | 22.3 | 18.5 | 17.9 | 18.8 | 17.4 | 15.5 | 12.9 |
| Average night temperature (°C) | 6.9 | 8.0 | 10.3 | 12.6 | 12.9 | 14.8 | 14.0 | 13.5 | 13.0 | 12.8 | 9.7 | 8.2 |
| Absolute minimum temperature (°C) | 2.1 | 3.0 | 5.5 | 10.0 | 10.5 | 13.2 | 11.6 | 11.1 | 10.7 | 7.2 | 6.2 | 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 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.0 | 10.1 | 10.7 | 11.1 | 11.3 | 12.1 | 11.4 | 10.3 | 11.0 | 8.8 | 9.2 | 7.5 |
| Precipitation (mm) | 2 | 3 | 33 | 30 | 85 | 39 | 158 | 119 | 52 | 56 | 24 | 38 |
| Sunny days | 26 | 22 | 16 | 12 | 7 | 18 | 1 | 1 | 13 | 10 | 16 | 14 |
| Rainy days | 5 | 6 | 15 | 18 | 24 | 12 | 30 | 30 | 17 | 21 | 14 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Ildefonso is at