Average annual temperature is 25.6 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 11.5 °C
Number of sunny days: 328 days
Number of rainy days: 37 days
Look at detailed online map of San Mateo
* Weather data for San Mateo 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) | 28.1 | 27.0 | 30.8 | 33.7 | 34.6 | 38.8 | 40.3 | 39.5 | 39.6 | 36.0 | 35.1 | 30.8 |
| Average daytime temperature (°C) | 23.0 | 22.6 | 26.0 | 29.4 | 30.4 | 34.9 | 37.5 | 36.3 | 36.7 | 31.6 | 28.3 | 25.9 |
| Average temperature (°C) | 18.4 | 18.1 | 21.5 | 23.7 | 24.2 | 29.8 | 33.0 | 32.4 | 32.5 | 27.4 | 24.5 | 21.4 |
| Average night temperature (°C) | 14.5 | 14.4 | 17.1 | 18.1 | 18.3 | 24.7 | 28.6 | 28.8 | 28.3 | 23.8 | 21.1 | 17.5 |
| Absolute minimum temperature (°C) | 11.5 | 12.0 | 12.1 | 13.9 | 15.2 | 16.5 | 24.3 | 25.4 | 25.1 | 18.6 | 15.6 | 14.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.5 | 9.9 | 10.7 | 11.7 | 12.1 | 12.7 | 12.6 | 11.4 | 11.4 | 9.5 | 9.4 | 9.2 |
| Precipitation (mm) | 0 | 5 | 3 | 0 | 2 | 0 | 4 | 42 | 18 | 70 | 2 | 0 |
| Sunny days | 29 | 24 | 28 | 29 | 30 | 30 | 28 | 21 | 26 | 27 | 27 | 29 |
| Rainy days | 2 | 4 | 3 | 1 | 1 | 0 | 3 | 10 | 4 | 4 | 3 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Mateo is at