Average annual temperature is 18.4 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 2.0 °C
Number of sunny days: 209 days
Number of rainy days: 156 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) | 26.5 | 31.2 | 31.7 | 32.4 | 31.7 | 35.1 | 30.0 | 30.2 | 31.2 | 29.3 | 29.9 | 24.0 |
| Average daytime temperature (°C) | 23.5 | 25.9 | 28.7 | 29.7 | 29.1 | 32.5 | 27.6 | 27.0 | 29.4 | 25.6 | 24.5 | 20.1 |
| Average temperature (°C) | 14.2 | 15.7 | 19.1 | 20.5 | 20.4 | 23.3 | 20.0 | 19.5 | 20.7 | 18.3 | 15.8 | 12.8 |
| Average night temperature (°C) | 6.2 | 7.6 | 10.6 | 12.3 | 12.6 | 14.6 | 14.0 | 13.7 | 13.3 | 12.9 | 9.4 | 7.8 |
| Absolute minimum temperature (°C) | 2.0 | 2.5 | 4.1 | 9.5 | 9.4 | 12.8 | 11.2 | 11.6 | 11.8 | 7.1 | 5.3 | 3.2 |
| 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 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 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 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 10.1 | 10.4 | 11.0 | 11.3 | 11.6 | 12.4 | 11.9 | 10.8 | 11.2 | 9.3 | 9.6 | 8.0 |
| Precipitation (mm) | 1 | 0 | 16 | 10 | 38 | 24 | 76 | 65 | 56 | 44 | 15 | 47 |
| Sunny days | 27 | 26 | 23 | 17 | 14 | 23 | 9 | 4 | 17 | 15 | 19 | 15 |
| Rainy days | 4 | 2 | 8 | 13 | 17 | 7 | 22 | 27 | 13 | 16 | 11 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Ildefonso is at