Average annual temperature is 25.5 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 13.9 °C
Number of sunny days: 65 days
Number of rainy days: 300 days
Look at detailed online map of Arroyo Santa Marta
* Weather data for Arroyo Santa Marta 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) | 31.2 | 31.7 | 35.5 | 39.6 | 37.9 | 39.7 | 33.1 | 33.0 | 32.4 | 34.8 | 30.4 | 31.0 |
| Average daytime temperature (°C) | 27.7 | 28.1 | 31.5 | 34.7 | 34.8 | 35.9 | 31.1 | 31.2 | 31.2 | 30.2 | 27.7 | 26.1 |
| Average temperature (°C) | 22.6 | 23.0 | 25.6 | 27.5 | 28.2 | 29.3 | 25.9 | 26.1 | 25.6 | 25.5 | 23.9 | 22.4 |
| Average night temperature (°C) | 18.9 | 19.4 | 21.0 | 22.3 | 23.2 | 24.3 | 22.5 | 22.7 | 22.2 | 22.2 | 21.5 | 19.8 |
| Absolute minimum temperature (°C) | 13.9 | 16.9 | 19.0 | 20.3 | 21.3 | 22.3 | 21.0 | 21.5 | 21.2 | 19.8 | 19.4 | 14.4 |
| 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) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.0 | 9.5 | 10.6 | 11.2 | 11.2 | 11.0 | 9.1 | 9.6 | 10.1 | 9.4 | 6.7 | 6.7 |
| Precipitation (mm) | 102 | 100 | 46 | 40 | 82 | 126 | 340 | 273 | 456 | 385 | 437 | 209 |
| Sunny days | 10 | 4 | 12 | 13 | 5 | 10 | 0 | 0 | 0 | 3 | 3 | 5 |
| Rainy days | 21 | 24 | 19 | 17 | 26 | 20 | 31 | 31 | 30 | 28 | 27 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arroyo Santa Marta is at