Average annual temperature is 17.9 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: 1.5 °C
Number of sunny days: 222 days
Number of rainy days: 143 days
Look at detailed online map of San Juan de Los Hernández
* Weather data for San Juan de 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) | 24.7 | 28.3 | 29.4 | 30.2 | 29.4 | 35.3 | 30.8 | 32.4 | 31.7 | 28.6 | 27.2 | 18.8 |
| Average daytime temperature (°C) | 20.9 | 23.4 | 25.8 | 24.9 | 25.8 | 31.7 | 29.2 | 28.9 | 28.7 | 23.5 | 19.8 | 16.0 |
| Average temperature (°C) | 13.4 | 15.1 | 17.7 | 17.7 | 18.9 | 23.9 | 22.0 | 21.8 | 21.5 | 17.5 | 14.1 | 11.0 |
| Average night temperature (°C) | 7.1 | 8.2 | 10.5 | 11.6 | 13.0 | 16.4 | 15.7 | 15.7 | 15.3 | 13.0 | 9.9 | 7.0 |
| Absolute minimum temperature (°C) | 2.2 | 1.5 | 3.0 | 7.2 | 10.4 | 12.4 | 13.2 | 14.3 | 12.5 | 7.5 | 4.5 | 1.8 |
| 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 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.6 |
| 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) | 9.6 | 10.1 | 10.6 | 10.5 | 11.1 | 12.4 | 12.1 | 11.6 | 11.0 | 9.2 | 7.9 | 7.6 |
| Precipitation (mm) | 3 | 2 | 29 | 79 | 116 | 8 | 23 | 19 | 8 | 65 | 144 | 10 |
| Sunny days | 28 | 24 | 19 | 16 | 8 | 21 | 19 | 14 | 20 | 14 | 17 | 22 |
| Rainy days | 3 | 4 | 12 | 14 | 23 | 9 | 12 | 17 | 10 | 17 | 13 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan de Los Hernández is at