Average annual temperature is 23.3 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 6.8 °C
Number of sunny days: 140 days
Number of rainy days: 225 days
Look at detailed online map of União
* Weather data for União Brazil is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.9 | 33.0 | 32.8 | 31.7 | 29.3 | 28.8 | 30.6 | 33.8 | 38.6 | 37.2 | 37.6 | 36.1 |
| Average daytime temperature (°C) | 30.3 | 28.7 | 29.9 | 27.2 | 25.5 | 23.3 | 25.6 | 28.5 | 31.7 | 32.1 | 31.6 | 31.9 |
| Average temperature (°C) | 25.3 | 24.0 | 24.8 | 22.0 | 20.2 | 17.7 | 19.8 | 22.1 | 25.1 | 26.0 | 26.2 | 26.6 |
| Average night temperature (°C) | 21.2 | 20.3 | 21.1 | 18.0 | 16.1 | 13.4 | 15.7 | 17.4 | 20.1 | 21.6 | 22.2 | 22.8 |
| Absolute minimum temperature (°C) | 17.1 | 14.8 | 19.6 | 11.3 | 9.8 | 6.8 | 7.1 | 12.6 | 8.8 | 13.3 | 11.5 | 18.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.4 | 12.9 | 12.2 | 11.5 | 11.0 | 10.7 | 10.9 | 11.3 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 10.6 | 9.2 | 9.8 | 9.2 | 8.1 | 8.2 | 8.5 | 9.6 | 9.3 | 9.3 | 9.3 | 10.0 |
| Precipitation (mm) | 241 | 295 | 120 | 186 | 76 | 48 | 31 | 72 | 70 | 191 | 214 | 168 |
| Sunny days | 7 | 4 | 5 | 10 | 18 | 21 | 17 | 18 | 19 | 11 | 7 | 3 |
| Rainy days | 24 | 24 | 26 | 20 | 13 | 9 | 14 | 13 | 11 | 20 | 23 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in União is at