Average annual temperature is 22.1 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 8.0 °C
Number of sunny days: 178 days
Number of rainy days: 187 days
Look at detailed online map of San Mateo Nejápam
* Weather data for San Mateo Nejápam 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) | 31.2 | 33.7 | 34.7 | 35.2 | 36.3 | 38.2 | 31.5 | 30.5 | 31.1 | 29.9 | 30.3 | 28.8 |
| Average daytime temperature (°C) | 28.6 | 30.3 | 32.2 | 32.9 | 32.3 | 33.7 | 29.0 | 28.4 | 28.7 | 27.9 | 28.1 | 26.6 |
| Average temperature (°C) | 20.4 | 21.8 | 23.2 | 24.1 | 24.3 | 25.2 | 21.9 | 21.6 | 22.0 | 21.3 | 20.9 | 19.1 |
| Average night temperature (°C) | 13.0 | 14.1 | 15.9 | 17.0 | 17.9 | 18.9 | 16.8 | 16.7 | 16.8 | 16.5 | 15.2 | 12.9 |
| Absolute minimum temperature (°C) | 9.4 | 11.1 | 13.4 | 15.2 | 16.5 | 15.8 | 15.5 | 15.1 | 15.7 | 14.0 | 13.2 | 8.0 |
| 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) | 11.2 | 11.6 | 12.0 | 12.5 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| 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 | 11.0 |
| Sunshine mean duration (h) | 10.4 | 10.7 | 11.1 | 11.4 | 11.2 | 11.8 | 10.5 | 10.6 | 10.7 | 10.0 | 10.1 | 9.7 |
| Precipitation (mm) | 0 | 0 | 2 | 22 | 78 | 46 | 240 | 220 | 119 | 131 | 47 | 6 |
| Sunny days | 30 | 28 | 25 | 20 | 11 | 14 | 1 | 1 | 5 | 4 | 15 | 24 |
| Rainy days | 1 | 0 | 6 | 10 | 20 | 16 | 30 | 30 | 25 | 27 | 15 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Mateo Nejápam is at