Average annual temperature is 19.5 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 5.2 °C
Number of sunny days: 166 days
Number of rainy days: 199 days
Look at detailed online map of San Mateo del Río
* Weather data for San Mateo del Río 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) | 28.5 | 31.6 | 32.0 | 32.9 | 34.8 | 35.4 | 29.7 | 27.7 | 30.1 | 29.2 | 29.5 | 27.9 |
| Average daytime temperature (°C) | 26.3 | 28.1 | 29.7 | 30.5 | 29.8 | 30.7 | 27.0 | 26.2 | 27.0 | 26.7 | 26.9 | 25.8 |
| Average temperature (°C) | 17.1 | 18.4 | 19.7 | 21.0 | 21.2 | 22.0 | 19.9 | 19.7 | 19.6 | 19.5 | 19.0 | 17.4 |
| Average night temperature (°C) | 9.6 | 10.4 | 12.2 | 13.5 | 14.4 | 15.4 | 14.2 | 14.5 | 13.8 | 13.9 | 12.9 | 10.3 |
| Absolute minimum temperature (°C) | 7.1 | 7.7 | 10.3 | 11.8 | 13.0 | 13.2 | 12.6 | 11.3 | 12.4 | 11.2 | 10.7 | 5.2 |
| 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 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.4 | 10.7 | 11.2 | 11.5 | 11.5 | 11.3 | 10.4 | 10.0 | 10.0 | 10.2 | 10.0 | 9.7 |
| Precipitation (mm) | 0 | 0 | 2 | 11 | 58 | 68 | 176 | 205 | 127 | 102 | 33 | 5 |
| Sunny days | 28 | 28 | 25 | 12 | 5 | 13 | 2 | 1 | 6 | 7 | 15 | 24 |
| Rainy days | 3 | 0 | 6 | 18 | 26 | 17 | 29 | 30 | 24 | 24 | 15 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Mateo del Río is at