Average annual temperature is 18.2 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: 2.7 °C
Number of sunny days: 243 days
Number of rainy days: 122 days
Look at detailed online map of San Idelfonso
* Weather data for San Idelfonso 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) | 23.4 | 27.8 | 29.6 | 30.3 | 32.4 | 34.8 | 31.6 | 28.9 | 30.1 | 28.0 | 27.2 | 23.0 |
| Average daytime temperature (°C) | 21.6 | 23.9 | 26.7 | 27.9 | 29.0 | 32.2 | 27.2 | 26.2 | 27.5 | 24.1 | 23.7 | 19.5 |
| Average temperature (°C) | 14.1 | 15.9 | 18.2 | 19.7 | 21.0 | 23.2 | 19.9 | 19.2 | 19.8 | 17.7 | 16.5 | 12.9 |
| Average night temperature (°C) | 7.1 | 8.7 | 9.9 | 11.4 | 12.8 | 15.1 | 14.6 | 14.3 | 14.4 | 12.7 | 10.6 | 7.7 |
| Absolute minimum temperature (°C) | 4.7 | 6.4 | 7.2 | 8.2 | 10.1 | 11.7 | 12.6 | 12.0 | 13.1 | 9.2 | 5.2 | 2.7 |
| 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 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.1 | 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) | 10.0 | 10.5 | 11.3 | 11.7 | 11.7 | 12.1 | 11.1 | 10.3 | 10.7 | 9.3 | 9.5 | 8.1 |
| Precipitation (mm) | 1 | 0 | 0 | 0 | 4 | 30 | 80 | 140 | 44 | 83 | 34 | 27 |
| Sunny days | 30 | 28 | 31 | 27 | 28 | 25 | 7 | 2 | 12 | 12 | 19 | 22 |
| Rainy days | 1 | 0 | 0 | 3 | 3 | 5 | 24 | 29 | 18 | 19 | 11 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Idelfonso is at