Average annual temperature is 17.5 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 2.2 °C
Number of sunny days: 226 days
Number of rainy days: 139 days
Look at detailed online map of San Isidro el Alto
* Weather data for San Isidro el Alto 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) | 24.2 | 28.3 | 29.5 | 30.0 | 30.7 | 33.9 | 28.6 | 26.7 | 28.7 | 28.0 | 27.3 | 21.3 |
| Average daytime temperature (°C) | 21.1 | 23.5 | 26.2 | 27.5 | 27.6 | 30.8 | 25.4 | 24.7 | 25.9 | 23.9 | 23.0 | 18.6 |
| Average temperature (°C) | 13.9 | 15.6 | 18.3 | 19.7 | 20.2 | 22.7 | 18.3 | 18.0 | 18.6 | 16.9 | 15.5 | 12.0 |
| Average night temperature (°C) | 7.6 | 8.6 | 11.0 | 12.4 | 13.4 | 15.0 | 12.6 | 12.7 | 12.4 | 11.7 | 9.3 | 7.0 |
| Absolute minimum temperature (°C) | 4.9 | 3.7 | 5.2 | 9.6 | 10.7 | 12.3 | 10.5 | 10.9 | 10.4 | 6.9 | 6.0 | 2.2 |
| 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) | 10.0 | 10.5 | 11.1 | 11.6 | 11.7 | 12.1 | 11.8 | 10.8 | 11.4 | 9.7 | 10.0 | 8.0 |
| Precipitation (mm) | 0 | 0 | 7 | 0 | 24 | 17 | 95 | 101 | 61 | 56 | 28 | 43 |
| Sunny days | 28 | 27 | 24 | 28 | 16 | 23 | 5 | 8 | 19 | 10 | 22 | 16 |
| Rainy days | 3 | 1 | 7 | 2 | 15 | 7 | 26 | 23 | 11 | 21 | 8 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Isidro el Alto is at