Average annual temperature is 28.1 °C
Absolute maximum temperature: 43.2 °C
Absolute minimum temperature: 14.5 °C
Number of sunny days: 164 days
Number of rainy days: 201 days
Look at detailed online map of San Herculano
* Weather data for San Herculano 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) | 35.6 | 37.1 | 40.7 | 41.4 | 41.2 | 43.2 | 40.7 | 37.2 | 37.3 | 36.9 | 33.5 | 33.9 |
| Average daytime temperature (°C) | 32.5 | 33.6 | 36.7 | 38.5 | 38.7 | 39.3 | 36.8 | 35.1 | 34.7 | 33.9 | 31.2 | 29.4 |
| Average temperature (°C) | 25.8 | 26.6 | 28.9 | 30.4 | 30.8 | 31.5 | 29.7 | 28.4 | 28.1 | 27.6 | 25.8 | 24.1 |
| Average night temperature (°C) | 20.5 | 21.2 | 22.6 | 24.0 | 24.6 | 25.9 | 24.9 | 24.0 | 23.7 | 23.0 | 21.9 | 20.1 |
| Absolute minimum temperature (°C) | 14.5 | 16.1 | 19.3 | 22.0 | 20.0 | 22.9 | 22.7 | 22.5 | 22.5 | 19.0 | 20.2 | 14.5 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.7 | 9.9 | 10.6 | 11.6 | 11.6 | 11.3 | 11.0 | 11.0 | 10.4 | 10.4 | 9.2 | 8.7 |
| Precipitation (mm) | 13 | 8 | 22 | 2 | 18 | 60 | 125 | 136 | 110 | 81 | 80 | 40 |
| Sunny days | 20 | 19 | 24 | 24 | 21 | 14 | 4 | 1 | 5 | 9 | 9 | 14 |
| Rainy days | 11 | 9 | 7 | 6 | 10 | 16 | 27 | 30 | 25 | 22 | 21 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Herculano is at