Average annual temperature is 27.0 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: 13.8 °C
Number of sunny days: 131 days
Number of rainy days: 234 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) | 32.1 | 32.9 | 35.4 | 38.0 | 39.0 | 40.0 | 37.7 | 39.3 | 36.9 | 37.3 | 34.4 | 33.2 |
| Average daytime temperature (°C) | 29.1 | 30.2 | 32.8 | 34.8 | 34.9 | 36.0 | 35.6 | 34.7 | 34.3 | 33.3 | 30.3 | 28.3 |
| Average temperature (°C) | 24.0 | 24.7 | 26.2 | 27.6 | 28.2 | 29.6 | 29.4 | 28.9 | 28.3 | 27.7 | 25.7 | 23.8 |
| Average night temperature (°C) | 20.3 | 20.5 | 21.3 | 22.4 | 23.1 | 24.7 | 25.3 | 25.2 | 24.2 | 23.6 | 22.5 | 20.7 |
| Absolute minimum temperature (°C) | 15.0 | 14.8 | 18.1 | 19.3 | 19.4 | 22.1 | 23.7 | 23.6 | 22.6 | 18.5 | 19.3 | 13.8 |
| 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 | 13.2 | 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 | 9.9 | 10.7 | 11.5 | 11.7 | 11.7 | 11.3 | 10.7 | 11.1 | 10.6 | 9.5 | 9.1 |
| Precipitation (mm) | 27 | 18 | 55 | 30 | 43 | 55 | 103 | 148 | 98 | 39 | 63 | 51 |
| Sunny days | 16 | 14 | 24 | 20 | 9 | 10 | 3 | 3 | 0 | 11 | 10 | 11 |
| Rainy days | 15 | 14 | 7 | 10 | 22 | 20 | 28 | 28 | 30 | 20 | 20 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Mateo is at