Average annual temperature is 18.8 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 1.3 °C
Number of sunny days: 179 days
Number of rainy days: 186 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) | 27.8 | 30.3 | 32.4 | 33.0 | 33.3 | 36.5 | 32.5 | 33.7 | 33.3 | 30.1 | 28.5 | 22.6 |
| Average daytime temperature (°C) | 23.2 | 25.2 | 28.7 | 28.6 | 28.6 | 32.7 | 29.8 | 29.7 | 29.7 | 24.4 | 22.0 | 18.0 |
| Average temperature (°C) | 14.5 | 15.7 | 19.2 | 20.1 | 20.8 | 24.1 | 22.0 | 22.0 | 22.1 | 18.1 | 14.7 | 12.1 |
| Average night temperature (°C) | 7.7 | 8.7 | 11.4 | 13.7 | 14.9 | 17.1 | 16.1 | 16.3 | 15.8 | 13.5 | 9.7 | 7.9 |
| Absolute minimum temperature (°C) | 1.7 | 1.3 | 3.7 | 9.4 | 12.2 | 15.1 | 14.3 | 14.3 | 14.5 | 7.4 | 4.1 | 3.4 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.0 | 10.8 |
| 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) | 9.5 | 10.1 | 10.6 | 10.9 | 11.5 | 12.3 | 11.9 | 11.6 | 11.3 | 9.0 | 7.8 | 6.9 |
| Precipitation (mm) | 5 | 5 | 11 | 50 | 93 | 20 | 37 | 37 | 4 | 58 | 54 | 37 |
| Sunny days | 21 | 22 | 23 | 14 | 9 | 14 | 5 | 8 | 19 | 11 | 16 | 17 |
| Rainy days | 10 | 6 | 8 | 16 | 22 | 16 | 26 | 23 | 11 | 20 | 14 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Mateo is at