Average annual temperature is 21.6 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: 11.7 °C
Number of sunny days: 37
Number of rainy days: 328
Number of snow days:
Average annual precipitation: 1997 mm
Look at detailed online map of La Unión
* Weather data for La Unión 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) | 28.9 | 29 | 32 | 33.5 | 32.6 | 33.5 | 28.2 | 29.5 | 28.3 | 30.6 | 28.4 | 28.7 |
| Average daytime temperature (°C) | 23.4 | 23.5 | 27.3 | 29 | 29.1 | 29.4 | 26.2 | 27.1 | 27.1 | 26.4 | 23.8 | 22.8 |
| Average temperature (°C) | 19.2 | 19.2 | 21.5 | 22.5 | 23.3 | 23.7 | 22.1 | 22.6 | 22.4 | 22 | 20.6 | 19.4 |
| Average night temperature (°C) | 16.5 | 16.6 | 17.5 | 17.8 | 19.3 | 20 | 19.8 | 20 | 19.6 | 19.2 | 18.5 | 17.2 |
| Absolute minimum temperature (°C) | 11.7 | 14.3 | 15 | 15.2 | 17.6 | 18.4 | 18.8 | 18.5 | 18.6 | 16.8 | 15.8 | 11.9 |
| 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) | 9.9 | 10.1 | 11 | 11.4 | 11.2 | 10.5 | 9.9 | 10.1 | 10.4 | 9.9 | 8.7 | 9.3 |
| Precipitation (mm) | 75 | 98 | 64 | 43 | 106 | 268 | 313 | 257 | 204 | 209 | 274 | 85 |
| Sunny days | 7 | 3 | 7 | 8 | 4 | 1 | 3 | 4 | ||||
| Rainy days | 24 | 25 | 24 | 22 | 27 | 29 | 31 | 31 | 30 | 31 | 27 | 27 |
The largest precipitation sum in La Unión is at