Average annual temperature is 12.9 °C
Absolute maximum temperature: 28.8 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 141 days
Number of rainy days: 224 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) | 20.0 | 24.0 | 24.6 | 25.8 | 24.9 | 28.8 | 24.7 | 27.0 | 24.8 | 22.5 | 22.8 | 17.7 |
| Average daytime temperature (°C) | 16.3 | 18.1 | 20.6 | 19.6 | 20.6 | 24.7 | 22.4 | 22.4 | 22.0 | 18.5 | 16.1 | 13.7 |
| Average temperature (°C) | 9.1 | 10.4 | 12.5 | 12.7 | 13.8 | 17.7 | 16.2 | 16.3 | 15.4 | 12.7 | 10.1 | 7.7 |
| Average night temperature (°C) | 4.2 | 4.8 | 7.0 | 7.6 | 8.7 | 11.2 | 10.6 | 10.6 | 9.5 | 8.6 | 6.2 | 3.5 |
| Absolute minimum temperature (°C) | -1.9 | -3.4 | -4.3 | 2.4 | 6.2 | 6.1 | 8.7 | 8.4 | 4.7 | 1.9 | 0.3 | -2.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 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) | 10.8 | 11.3 | 12.0 | 12.7 | 13.4 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.8 | 10.3 | 10.3 | 11.0 | 11.4 | 12.7 | 12.4 | 11.8 | 11.3 | 9.1 | 8.0 | 8.2 |
| Precipitation (mm) | 1 | 0 | 38 | 96 | 200 | 76 | 88 | 42 | 33 | 92 | 122 | 19 |
| Sunny days | 26 | 27 | 14 | 3 | 1 | 6 | 4 | 6 | 12 | 7 | 16 | 19 |
| Rainy days | 5 | 1 | 17 | 27 | 30 | 24 | 27 | 25 | 18 | 24 | 14 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Ildefonso is at