Average annual temperature is 23.4 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 8.7 °C
Number of sunny days: 70 days
Number of rainy days: 295 days
Look at detailed online map of San Isidro el Llano
* Weather data for San Isidro el Llano 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) | 30.8 | 32.0 | 35.4 | 38.6 | 38.4 | 38.8 | 34.5 | 35.5 | 33.4 | 33.9 | 31.4 | 31.5 |
| Average daytime temperature (°C) | 27.6 | 27.8 | 31.6 | 33.5 | 33.7 | 34.5 | 31.8 | 31.7 | 31.2 | 29.6 | 26.7 | 25.5 |
| Average temperature (°C) | 20.3 | 20.8 | 23.5 | 24.9 | 25.8 | 26.8 | 24.6 | 24.3 | 23.8 | 23.5 | 22.2 | 20.6 |
| Average night temperature (°C) | 14.1 | 14.9 | 16.2 | 17.6 | 18.8 | 19.9 | 19.3 | 18.8 | 18.7 | 19.0 | 18.7 | 16.7 |
| Absolute minimum temperature (°C) | 9.9 | 12.2 | 13.4 | 13.8 | 15.3 | 17.6 | 17.7 | 16.8 | 16.7 | 16.4 | 15.0 | 8.7 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.5 | 9.1 | 11.1 | 11.2 | 11.6 | 11.1 | 10.3 | 10.6 | 10.3 | 9.3 | 7.7 | 7.9 |
| Precipitation (mm) | 148 | 245 | 52 | 98 | 84 | 142 | 294 | 314 | 381 | 354 | 499 | 379 |
| Sunny days | 10 | 9 | 10 | 9 | 11 | 11 | 0 | 0 | 1 | 0 | 2 | 7 |
| Rainy days | 21 | 19 | 21 | 21 | 20 | 19 | 31 | 31 | 29 | 31 | 28 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Isidro el Llano is at