Average annual temperature is 25.8 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 13.4 °C
Number of sunny days: 105 days
Number of rainy days: 260 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) | 30.1 | 31.4 | 35.8 | 39.5 | 38.2 | 39.2 | 33.5 | 34.5 | 33.3 | 34.3 | 30.6 | 31.3 |
| Average daytime temperature (°C) | 27.4 | 28.0 | 32.6 | 34.8 | 34.7 | 35.6 | 32.0 | 32.3 | 32.0 | 30.8 | 27.8 | 26.4 |
| Average temperature (°C) | 22.6 | 23.1 | 26.3 | 28.1 | 28.3 | 29.3 | 26.5 | 26.7 | 26.3 | 25.7 | 24.1 | 22.3 |
| Average night temperature (°C) | 18.8 | 19.4 | 21.2 | 22.6 | 23.0 | 24.2 | 22.5 | 22.5 | 22.3 | 22.1 | 21.3 | 19.2 |
| Absolute minimum temperature (°C) | 13.4 | 14.6 | 19.3 | 20.1 | 19.9 | 22.1 | 20.8 | 21.1 | 21.0 | 19.2 | 19.2 | 14.4 |
| 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 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.0 | 10.0 | 10.9 | 11.3 | 11.5 | 11.3 | 10.8 | 11.1 | 10.4 | 10.0 | 8.3 | 7.9 |
| Precipitation (mm) | 96 | 66 | 32 | 14 | 47 | 145 | 264 | 248 | 293 | 263 | 239 | 140 |
| Sunny days | 14 | 8 | 15 | 18 | 17 | 14 | 0 | 1 | 2 | 2 | 4 | 10 |
| Rainy days | 17 | 20 | 16 | 12 | 14 | 16 | 31 | 30 | 28 | 29 | 26 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Mateo is at