Average annual temperature is 27.1 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 14.1 °C
Number of sunny days: 119 days
Number of rainy days: 246 days
Look at detailed online map of San Arnulfo
* Weather data for San Arnulfo 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) | 33.2 | 34.0 | 36.6 | 39.7 | 39.1 | 39.6 | 39.4 | 37.7 | 35.7 | 36.4 | 33.5 | 32.9 |
| Average daytime temperature (°C) | 30.1 | 31.3 | 33.9 | 36.5 | 37.0 | 37.5 | 36.3 | 34.8 | 34.1 | 33.3 | 30.8 | 28.7 |
| Average temperature (°C) | 24.2 | 25.0 | 26.8 | 28.6 | 29.2 | 29.9 | 29.2 | 28.1 | 27.5 | 27.4 | 25.6 | 23.5 |
| Average night temperature (°C) | 20.0 | 20.2 | 21.4 | 22.5 | 23.2 | 24.5 | 24.7 | 24.2 | 23.4 | 22.9 | 22.0 | 19.8 |
| Absolute minimum temperature (°C) | 14.1 | 16.0 | 18.0 | 19.5 | 18.2 | 21.7 | 23.6 | 22.1 | 21.7 | 18.7 | 19.7 | 14.6 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 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) | 9.6 | 10.1 | 10.0 | 11.3 | 11.6 | 11.3 | 10.7 | 10.4 | 10.7 | 10.5 | 9.1 | 9.0 |
| Precipitation (mm) | 41 | 8 | 44 | 22 | 49 | 67 | 106 | 113 | 170 | 55 | 76 | 32 |
| Sunny days | 13 | 17 | 21 | 16 | 13 | 11 | 5 | 0 | 1 | 8 | 5 | 9 |
| Rainy days | 18 | 11 | 10 | 14 | 18 | 19 | 26 | 31 | 29 | 23 | 25 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Arnulfo is at