Average annual temperature is 14.1 °C
Absolute maximum temperature: 25.1 °C
Absolute minimum temperature: 1.6 °C
Number of sunny days: 40 days
Number of rainy days: 325 days
Look at detailed online map of Sumalito
* Weather data for Sumalito 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) | 20.9 | 23.1 | 25.1 | 25.1 | 24.2 | 23.7 | 21.2 | 22.9 | 21.4 | 23.0 | 23.1 | 21.5 |
| Average daytime temperature (°C) | 17.7 | 18.1 | 19.8 | 21.3 | 21.7 | 21.8 | 19.9 | 20.2 | 20.0 | 19.1 | 17.7 | 16.7 |
| Average temperature (°C) | 11.8 | 12.2 | 13.6 | 14.7 | 15.5 | 15.9 | 15.0 | 15.1 | 14.9 | 14.7 | 13.7 | 12.3 |
| Average night temperature (°C) | 6.8 | 7.6 | 8.7 | 9.0 | 10.2 | 11.1 | 11.2 | 11.2 | 10.7 | 11.4 | 10.7 | 9.0 |
| Absolute minimum temperature (°C) | 2.1 | 5.0 | 6.9 | 4.7 | 7.0 | 9.3 | 8.9 | 8.6 | 9.0 | 9.9 | 6.3 | 1.6 |
| 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 | 12.8 | 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) | 9.8 | 10.0 | 10.6 | 11.4 | 11.3 | 11.1 | 10.3 | 10.0 | 10.7 | 8.8 | 6.9 | 8.2 |
| Precipitation (mm) | 63 | 85 | 86 | 31 | 85 | 156 | 371 | 262 | 141 | 243 | 324 | 125 |
| Sunny days | 7 | 3 | 6 | 9 | 4 | 3 | 0 | 2 | 0 | 0 | 3 | 3 |
| Rainy days | 24 | 25 | 25 | 21 | 27 | 27 | 31 | 29 | 30 | 31 | 27 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sumalito is at