Average annual temperature is 13.7 °C
Absolute maximum temperature: 21.3 °C
Absolute minimum temperature: 2.7 °C
Number of sunny days: 38
Number of rainy days: 327
Number of snow days:
Average annual precipitation: 2053 mm
Look at detailed online map of San Marcos
* Weather data for San Marcos Guatemala is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.2 | 20.8 | 21.3 | 20.2 | 21.1 | 20.7 | 20.4 | 20.1 | 20.6 | 19 | 19.7 | 19.4 |
| Average daytime temperature (°C) | 17.3 | 18.5 | 17.8 | 18 | 18.5 | 18.6 | 18.7 | 18.5 | 18.4 | 18 | 18.1 | 17.6 |
| Average temperature (°C) | 11.6 | 12.5 | 13.2 | 13.6 | 14.5 | 14.7 | 14.6 | 14.5 | 14.5 | 14.4 | 14 | 12.3 |
| Average night temperature (°C) | 6.6 | 7 | 8.6 | 8.6 | 10.1 | 10.5 | 11 | 10.7 | 10.8 | 11.2 | 10.5 | 7.5 |
| Absolute minimum temperature (°C) | 3.4 | 4.7 | 5.1 | 6.1 | 7.6 | 9.1 | 8.5 | 8 | 8.9 | 9.4 | 7.3 | 2.7 |
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.5 | 11.8 | 12.3 | 12.7 | 13 | 13 | 13 | 12.8 | 12.4 | 12 | 11.6 | 11.3 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.3 |
| Daylight minimum duration (h) | 11.3 | 11.5 | 11.9 | 12.3 | 12.7 | 13 | 12.8 | 12.4 | 12 | 11.6 | 11.3 | 11.2 |
| Sunshine mean duration (h) | 10.3 | 10.7 | 10.5 | 11.2 | 10.7 | 10 | 9.1 | 9.4 | 9.6 | 8.5 | 9.4 | 10.1 |
| Precipitation (mm) | 27 | 28 | 80 | 183 | 169 | 317 | 300 | 204 | 261 | 392 | 66 | 25 |
| Sunny days | 10 | 10 | 1 | 1 | 2 | 1 | 3 | 10 | ||||
| Rainy days | 21 | 18 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 31 | 27 | 21 |
The largest precipitation sum in San Marcos is at