Average annual temperature is 21.1 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 9.1 °C
Number of sunny days: 111 days
Number of rainy days: 254 days
Look at detailed online map of Serro
* Weather data for Serro 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) | 28.2 | 30.1 | 30.0 | 30.9 | 27.9 | 26.6 | 28.9 | 31.5 | 35.2 | 32.5 | 36.2 | 32.0 |
| Average daytime temperature (°C) | 26.5 | 28.5 | 28.4 | 26.0 | 24.4 | 23.0 | 23.1 | 25.6 | 27.1 | 29.3 | 30.5 | 29.1 |
| Average temperature (°C) | 21.6 | 22.8 | 22.5 | 21.1 | 18.7 | 17.4 | 17.6 | 19.6 | 21.0 | 23.1 | 24.4 | 23.3 |
| Average night temperature (°C) | 18.3 | 18.2 | 17.7 | 17.6 | 14.4 | 13.0 | 13.1 | 14.8 | 16.3 | 18.7 | 19.1 | 19.1 |
| Absolute minimum temperature (°C) | 16.7 | 16.6 | 16.1 | 14.5 | 9.6 | 9.9 | 9.1 | 11.1 | 12.9 | 15.2 | 13.8 | 17.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.1 | 12.7 | 12.2 | 11.7 | 11.2 | 11.0 | 11.1 | 11.5 | 12.0 | 12.5 | 13.0 | 13.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 7.7 | 11.2 | 10.9 | 8.2 | 9.4 | 9.5 | 8.8 | 9.3 | 9.6 | 9.4 | 10.8 | 10.7 |
| Precipitation (mm) | 294 | 50 | 19 | 100 | 17 | 14 | 39 | 39 | 30 | 130 | 96 | 183 |
| Sunny days | 0 | 4 | 9 | 1 | 13 | 17 | 17 | 16 | 10 | 4 | 16 | 4 |
| Rainy days | 31 | 24 | 22 | 29 | 18 | 13 | 14 | 15 | 20 | 27 | 14 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Serro is at