Average annual temperature is 19.4 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: 1.1 °C
Number of sunny days: 269 days
Number of rainy days: 96 days
Look at detailed online map of San Isidro (Los Hernández)
* Weather data for San Isidro (Los Hernández) 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) | 26.0 | 28.3 | 30.5 | 32.8 | 32.3 | 36.1 | 33.4 | 34.1 | 32.4 | 29.6 | 27.7 | 21.5 |
| Average daytime temperature (°C) | 22.4 | 24.4 | 27.8 | 27.7 | 28.3 | 33.1 | 30.3 | 30.1 | 29.4 | 24.7 | 21.0 | 17.9 |
| Average temperature (°C) | 14.5 | 16.2 | 19.7 | 20.4 | 21.3 | 25.8 | 23.1 | 23.1 | 22.9 | 18.6 | 14.7 | 12.0 |
| Average night temperature (°C) | 7.8 | 9.1 | 11.7 | 13.1 | 14.6 | 17.8 | 16.1 | 16.3 | 15.9 | 13.3 | 9.8 | 7.4 |
| Absolute minimum temperature (°C) | 2.3 | 1.2 | 3.8 | 8.5 | 12.3 | 14.9 | 14.2 | 13.2 | 14.6 | 6.8 | 3.9 | 1.1 |
| 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 | 11.4 | 12.0 | 12.7 | 13.3 | 13.6 | 13.4 | 12.9 | 12.3 | 11.6 | 11.0 | 10.7 |
| 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 | 10.0 | 11.1 | 11.2 | 11.4 | 12.4 | 12.3 | 11.5 | 11.4 | 9.1 | 8.6 | 7.9 |
| Precipitation (mm) | 0 | 0 | 2 | 4 | 28 | 2 | 25 | 25 | 15 | 82 | 66 | 4 |
| Sunny days | 30 | 26 | 27 | 23 | 21 | 27 | 19 | 19 | 16 | 16 | 21 | 24 |
| Rainy days | 1 | 2 | 4 | 7 | 10 | 3 | 12 | 12 | 14 | 15 | 9 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Isidro (Los Hernández) is at