Average annual temperature is 26.5 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of San Mateo (Castillo Tielemans)
* Weather data for San Mateo (Castillo Tielemans) 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) | 34.5 | 35.0 | 34.7 | 35.1 | 35.6 | 32.8 | 33.0 | 33.8 | 33.9 | 31.7 | 32.1 | 33.7 |
| Average daytime temperature (°C) | 32.0 | 33.3 | 32.9 | 34.0 | 33.4 | 31.5 | 31.5 | 31.5 | 31.7 | 30.2 | 30.4 | 32.3 |
| Average temperature (°C) | 25.4 | 26.4 | 26.7 | 27.5 | 27.7 | 26.7 | 26.8 | 26.7 | 26.7 | 25.6 | 26.1 | 26.2 |
| Average night temperature (°C) | 20.0 | 20.9 | 22.0 | 22.5 | 23.4 | 23.5 | 23.2 | 23.1 | 23.2 | 22.9 | 22.5 | 21.4 |
| Absolute minimum temperature (°C) | 17.6 | 17.6 | 20.0 | 19.7 | 21.9 | 21.3 | 21.1 | 21.6 | 21.9 | 21.5 | 20.3 | 18.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.5 | 10.8 | 10.9 | 11.1 | 11.3 | 10.7 | 9.2 | 9.3 | 9.8 | 8.2 | 9.3 | 10.2 |
| Precipitation (mm) | 10 | 4 | 68 | 44 | 135 | 197 | 142 | 242 | 244 | 463 | 49 | 2 |
| Sunny days | 21 | 21 | 5 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 6 | 25 |
| Rainy days | 10 | 7 | 26 | 25 | 28 | 30 | 31 | 31 | 30 | 31 | 24 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Mateo (Castillo Tielemans) is at