Average annual temperature is 14.3 °C
Absolute maximum temperature: 22.6 °C
Absolute minimum temperature: 3.8 °C
Number of sunny days: 46 days
Number of rainy days: 319 days
Look at detailed online map of Municipio de San Mateo
* Weather data for Municipio de San Mateo Guatemala is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20.5 | 21.7 | 21.7 | 21.5 | 22.6 | 22.3 | 21.0 | 21.0 | 20.9 | 20.1 | 20.4 | 20.0 |
| Average daytime temperature (°C) | 18.0 | 19.1 | 18.7 | 19.5 | 19.7 | 19.9 | 19.5 | 19.6 | 19.4 | 18.8 | 18.9 | 18.3 |
| Average temperature (°C) | 12.1 | 12.8 | 13.7 | 14.4 | 15.2 | 15.5 | 15.1 | 15.1 | 15.1 | 14.9 | 14.4 | 12.8 |
| Average night temperature (°C) | 7.2 | 7.3 | 8.9 | 9.1 | 10.6 | 11.1 | 11.5 | 11.3 | 11.1 | 11.7 | 11.0 | 8.4 |
| Absolute minimum temperature (°C) | 4.6 | 4.9 | 5.8 | 6.5 | 8.1 | 9.8 | 9.0 | 8.6 | 8.8 | 9.4 | 8.3 | 3.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.3 | 10.7 | 10.7 | 10.9 | 10.8 | 10.2 | 9.3 | 9.3 | 9.5 | 8.5 | 9.1 | 9.9 |
| Precipitation (mm) | 30 | 20 | 104 | 201 | 184 | 220 | 233 | 153 | 232 | 320 | 54 | 14 |
| Sunny days | 10 | 9 | 2 | 2 | 3 | 1 | 1 | 0 | 0 | 0 | 4 | 14 |
| Rainy days | 21 | 19 | 29 | 28 | 28 | 29 | 30 | 31 | 30 | 31 | 26 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Municipio de San Mateo is at