Average annual temperature is 25.1 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 10.8 °C
Number of sunny days: 92 days
Number of rainy days: 273 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) | 31.7 | 31.6 | 31.8 | 31.2 | 30.7 | 31.0 | 33.2 | 34.8 | 36.0 | 36.4 | 36.7 | 33.4 |
| Average daytime temperature (°C) | 28.8 | 28.7 | 29.2 | 29.0 | 28.3 | 28.3 | 31.3 | 32.5 | 34.0 | 32.9 | 32.0 | 30.5 |
| Average temperature (°C) | 24.0 | 24.1 | 24.3 | 24.2 | 24.1 | 22.9 | 25.1 | 26.2 | 27.2 | 27.1 | 26.4 | 25.5 |
| Average night temperature (°C) | 21.1 | 21.2 | 21.5 | 21.4 | 21.3 | 18.7 | 20.0 | 21.1 | 22.6 | 22.9 | 22.6 | 22.5 |
| Absolute minimum temperature (°C) | 18.2 | 18.0 | 20.7 | 19.7 | 18.4 | 10.8 | 16.3 | 17.8 | 21.1 | 21.2 | 19.3 | 21.2 |
| 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 | 12.4 | 12.2 | 11.9 | 11.6 | 11.5 | 11.6 | 11.8 | 12.0 | 12.3 | 12.6 | 12.7 |
| 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) | 8.5 | 7.5 | 8.2 | 8.2 | 8.6 | 9.5 | 10.4 | 10.2 | 10.2 | 10.0 | 9.8 | 9.0 |
| Precipitation (mm) | 239 | 242 | 299 | 179 | 163 | 48 | 6 | 27 | 59 | 98 | 143 | 221 |
| Sunny days | 2 | 1 | 0 | 3 | 3 | 11 | 21 | 19 | 12 | 15 | 5 | 0 |
| Rainy days | 29 | 27 | 31 | 27 | 28 | 19 | 10 | 12 | 18 | 16 | 25 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castanheira is at