Average annual temperature is 25.5 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 13.0 °C
Number of sunny days: 110 days
Number of rainy days: 255 days
Look at detailed online map of Castanheira
* Weather data for Castanheira 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) | 30.5 | 31.7 | 31.1 | 30.5 | 31.4 | 31.6 | 35.3 | 36.5 | 35.0 | 36.0 | 36.0 | 34.8 |
| Average daytime temperature (°C) | 28.3 | 28.9 | 28.5 | 28.8 | 30.2 | 29.6 | 32.8 | 34.2 | 32.8 | 33.1 | 32.5 | 30.9 |
| Average temperature (°C) | 23.9 | 24.5 | 24.0 | 24.4 | 25.3 | 24.0 | 25.8 | 27.5 | 26.8 | 27.2 | 26.8 | 26.0 |
| Average night temperature (°C) | 20.9 | 21.5 | 21.2 | 21.4 | 21.1 | 19.3 | 19.5 | 22.0 | 22.2 | 23.0 | 22.8 | 22.8 |
| Absolute minimum temperature (°C) | 19.7 | 20.3 | 20.1 | 20.3 | 20.0 | 13.0 | 16.4 | 20.3 | 20.9 | 21.6 | 21.4 | 20.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 | 11.5 | 11.8 | 12.0 | 12.3 | 12.6 | 12.8 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.3 | 8.8 | 8.0 | 9.0 | 10.5 | 9.6 | 10.5 | 9.9 | 9.6 | 9.8 | 9.7 | 8.8 |
| Precipitation (mm) | 216 | 176 | 225 | 174 | 22 | 33 | 0 | 18 | 45 | 111 | 99 | 193 |
| Sunny days | 0 | 1 | 0 | 0 | 12 | 20 | 31 | 24 | 10 | 8 | 2 | 2 |
| Rainy days | 31 | 27 | 31 | 30 | 19 | 10 | 0 | 7 | 20 | 23 | 28 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castanheira is at