Average annual temperature is 26.9 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 14.4 °C
Number of sunny days: 133 days
Number of rainy days: 232 days
Look at detailed online map of San Román
* Weather data for San Román 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) | 32.1 | 32.7 | 35.6 | 37.5 | 39.1 | 39.5 | 37.7 | 39.1 | 36.1 | 37.7 | 34.2 | 33.2 |
| Average daytime temperature (°C) | 29.2 | 30.2 | 32.7 | 35.0 | 35.4 | 36.1 | 35.4 | 35.3 | 34.7 | 33.6 | 30.5 | 28.5 |
| Average temperature (°C) | 23.8 | 24.5 | 26.1 | 27.6 | 28.4 | 29.4 | 29.1 | 28.8 | 28.2 | 27.7 | 25.7 | 23.7 |
| Average night temperature (°C) | 19.8 | 20.2 | 21.2 | 22.2 | 23.2 | 24.6 | 25.0 | 25.0 | 23.9 | 23.6 | 22.4 | 20.6 |
| Absolute minimum temperature (°C) | 14.4 | 15.2 | 17.4 | 18.9 | 20.2 | 21.9 | 23.6 | 23.6 | 22.4 | 18.9 | 19.2 | 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.1 | 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) | 9.2 | 10.0 | 10.5 | 11.4 | 11.5 | 11.7 | 11.3 | 10.4 | 11.0 | 10.5 | 9.4 | 8.9 |
| Precipitation (mm) | 47 | 29 | 55 | 23 | 38 | 86 | 100 | 160 | 94 | 40 | 71 | 50 |
| Sunny days | 14 | 14 | 20 | 19 | 12 | 10 | 4 | 1 | 2 | 11 | 11 | 15 |
| Rainy days | 17 | 14 | 11 | 11 | 19 | 20 | 27 | 30 | 28 | 20 | 19 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Román is at