Average annual temperature is 19.5 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: 8.9 °C
Number of sunny days: 74 days
Number of rainy days: 291 days
Look at detailed online map of La Unión
* Weather data for La Unión Honduras is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25.8 | 26.4 | 30.5 | 32.8 | 29.6 | 31.9 | 26.4 | 28.1 | 27.8 | 29.6 | 24.9 | 24.9 |
| Average daytime temperature (°C) | 21.4 | 22.8 | 25.7 | 28.2 | 27.2 | 27.6 | 25.0 | 26.1 | 26.2 | 24.5 | 21.7 | 20.8 |
| Average temperature (°C) | 16.9 | 17.3 | 19.3 | 20.9 | 21.2 | 21.5 | 20.3 | 20.7 | 20.6 | 19.9 | 18.4 | 17.4 |
| Average night temperature (°C) | 13.6 | 13.6 | 14.3 | 15.1 | 16.7 | 17.3 | 17.1 | 17.0 | 16.7 | 16.7 | 16.1 | 14.7 |
| Absolute minimum temperature (°C) | 8.9 | 11.6 | 11.0 | 12.4 | 14.4 | 15.8 | 16.1 | 15.2 | 15.6 | 14.5 | 12.5 | 9.8 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.3 |
| 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) | 9.6 | 10.0 | 10.9 | 11.4 | 10.7 | 10.0 | 10.4 | 10.0 | 10.5 | 9.3 | 8.4 | 7.8 |
| Precipitation (mm) | 77 | 64 | 90 | 36 | 102 | 156 | 166 | 113 | 134 | 179 | 289 | 100 |
| Sunny days | 10 | 10 | 13 | 15 | 12 | 2 | 0 | 2 | 0 | 1 | 3 | 6 |
| Rainy days | 21 | 18 | 18 | 15 | 19 | 28 | 31 | 29 | 30 | 30 | 27 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Unión is at