Average annual temperature is 26.5 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: 21.6 °C
Number of sunny days: 12 days
Number of rainy days: 353 days
Look at detailed online map of Union
* Weather data for Union Philippines is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.8 | 30.0 | 29.3 | 32.0 | 31.8 | 32.9 | 33.0 | 34.3 | 34.6 | 33.5 | 31.1 | 29.5 |
| Average daytime temperature (°C) | 26.2 | 27.1 | 27.7 | 29.1 | 30.4 | 30.6 | 30.3 | 32.0 | 31.4 | 30.8 | 28.7 | 28.0 |
| Average temperature (°C) | 24.6 | 24.9 | 25.3 | 26.4 | 27.4 | 27.2 | 27.3 | 28.0 | 27.6 | 27.1 | 26.2 | 25.7 |
| Average night temperature (°C) | 23.4 | 23.5 | 23.5 | 24.2 | 24.9 | 24.7 | 25.0 | 25.1 | 24.8 | 24.5 | 24.5 | 24.2 |
| Absolute minimum temperature (°C) | 22.3 | 22.5 | 21.6 | 22.7 | 23.7 | 23.6 | 23.5 | 23.7 | 23.8 | 23.7 | 22.9 | 23.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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) | 3.5 | 6.4 | 9.2 | 10.6 | 10.1 | 9.8 | 8.9 | 10.4 | 9.9 | 10.4 | 7.4 | 7.5 |
| Precipitation (mm) | 1048 | 512 | 220 | 133 | 221 | 230 | 164 | 147 | 176 | 210 | 456 | 442 |
| Sunny days | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 7 | 1 | 1 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 30 | 30 | 29 | 24 | 29 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Union is at