Average annual temperature is 23.4 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: 12.3 °C
Number of sunny days: 79 days
Number of rainy days: 286 days
Look at detailed online map of Unión
* Weather data for Unión Cuba is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.4 | 29.6 | 30.8 | 31.0 | 31.2 | 32.1 | 34.4 | 33.5 | 32.1 | 31.9 | 28.8 | 28.5 |
| Average daytime temperature (°C) | 26.6 | 28.2 | 28.6 | 28.4 | 28.5 | 29.4 | 31.6 | 31.1 | 29.9 | 28.8 | 26.8 | 25.4 |
| Average temperature (°C) | 20.9 | 21.7 | 22.2 | 22.5 | 23.5 | 24.8 | 26.1 | 25.9 | 25.0 | 24.2 | 22.8 | 21.4 |
| Average night temperature (°C) | 16.8 | 17.4 | 17.5 | 18.4 | 20.1 | 21.8 | 22.1 | 22.1 | 21.7 | 21.1 | 20.1 | 18.5 |
| Absolute minimum temperature (°C) | 12.3 | 14.7 | 15.3 | 16.0 | 18.2 | 20.3 | 20.7 | 21.1 | 20.2 | 18.6 | 17.9 | 16.0 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.1 | 10.5 | 10.9 | 11.5 | 10.6 | 9.8 | 11.6 | 11.4 | 10.6 | 9.5 | 8.9 | 8.6 |
| Precipitation (mm) | 27 | 12 | 64 | 133 | 179 | 95 | 57 | 99 | 125 | 150 | 135 | 61 |
| Sunny days | 14 | 16 | 14 | 6 | 1 | 3 | 5 | 2 | 1 | 2 | 3 | 12 |
| Rainy days | 17 | 12 | 17 | 24 | 30 | 27 | 26 | 29 | 29 | 29 | 27 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Unión is at