Average annual temperature is 25.9 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 47 days
Number of rainy days: 318 days
Look at detailed online map of Nuevo San Marcos
* Weather data for Nuevo 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) | 29.9 | 30.8 | 33.7 | 36.7 | 33.7 | 36.0 | 31.8 | 32.6 | 31.4 | 34.0 | 29.7 | 29.9 |
| Average daytime temperature (°C) | 26.9 | 27.3 | 29.9 | 31.4 | 31.9 | 32.6 | 29.9 | 30.4 | 30.3 | 29.7 | 27.1 | 26.3 |
| Average temperature (°C) | 23.5 | 23.7 | 25.7 | 26.8 | 27.8 | 28.5 | 26.4 | 26.9 | 26.8 | 26.6 | 24.7 | 23.7 |
| Average night temperature (°C) | 21.0 | 21.3 | 22.8 | 23.5 | 24.7 | 25.4 | 23.9 | 24.3 | 24.1 | 24.1 | 22.8 | 21.8 |
| Absolute minimum temperature (°C) | 17.5 | 19.9 | 21.5 | 21.5 | 22.7 | 23.5 | 22.8 | 23.1 | 23.3 | 22.1 | 21.6 | 17.9 |
| 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 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| 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) | 9.1 | 9.2 | 10.6 | 11.1 | 10.6 | 10.9 | 9.0 | 9.6 | 10.1 | 9.1 | 6.9 | 7.1 |
| Precipitation (mm) | 187 | 167 | 180 | 65 | 132 | 268 | 559 | 353 | 309 | 485 | 813 | 262 |
| Sunny days | 7 | 5 | 8 | 10 | 4 | 6 | 0 | 0 | 0 | 2 | 2 | 3 |
| Rainy days | 24 | 23 | 23 | 20 | 27 | 24 | 31 | 31 | 30 | 29 | 28 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nuevo San Marcos is at