Average annual temperature is 12.8 °C
Absolute maximum temperature: 20.1 °C
Absolute minimum temperature: 2.5 °C
Number of sunny days: 32 days
Number of rainy days: 333 days
Look at detailed online map of Municipio de San Marcos
* Weather data for Municipio de San Marcos 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) | 17.9 | 19.2 | 19.4 | 18.3 | 20.1 | 19.3 | 19.1 | 19.1 | 19.3 | 18.1 | 18.4 | 18.7 |
| Average daytime temperature (°C) | 15.9 | 17.1 | 16.2 | 16.7 | 17.3 | 17.3 | 17.4 | 17.4 | 17.3 | 16.9 | 16.9 | 16.6 |
| Average temperature (°C) | 10.9 | 11.6 | 12.4 | 13.1 | 14.1 | 14.1 | 13.4 | 13.4 | 13.3 | 13.2 | 12.9 | 11.5 |
| Average night temperature (°C) | 5.8 | 6.6 | 8.2 | 8.9 | 10.4 | 10.3 | 9.7 | 9.5 | 9.2 | 9.6 | 9.3 | 6.8 |
| Absolute minimum temperature (°C) | 3.3 | 4.4 | 5.4 | 5.3 | 7.2 | 7.9 | 7.8 | 7.3 | 7.5 | 8.3 | 5.5 | 2.5 |
| 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 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 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) | 10.1 | 10.8 | 10.6 | 11.0 | 10.5 | 9.8 | 9.1 | 9.3 | 9.4 | 8.2 | 9.4 | 10.1 |
| Precipitation (mm) | 34 | 24 | 100 | 195 | 243 | 371 | 347 | 210 | 396 | 470 | 80 | 27 |
| Sunny days | 9 | 9 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 3 | 8 |
| Rainy days | 22 | 19 | 31 | 30 | 31 | 30 | 29 | 30 | 30 | 31 | 27 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Municipio de San Marcos is at