Average annual temperature is 27.7 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 19.7 °C
Number of sunny days: 156 days
Number of rainy days: 209 days
Look at detailed online map of Castelo
* Weather data for Castelo 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 | 31.9 | 32.2 | 32.0 | 32.7 | 33.7 | 35.7 | 37.2 | 39.2 | 39.7 | 38.8 | 37.4 |
| Average daytime temperature (°C) | 29.8 | 30.2 | 30.0 | 30.4 | 31.3 | 32.0 | 33.3 | 35.3 | 37.2 | 38.0 | 36.9 | 35.1 |
| Average temperature (°C) | 25.1 | 25.3 | 25.0 | 25.4 | 26.5 | 27.0 | 27.7 | 29.1 | 30.5 | 31.1 | 30.4 | 29.2 |
| Average night temperature (°C) | 21.5 | 21.9 | 21.9 | 21.9 | 22.5 | 22.4 | 22.3 | 22.6 | 22.9 | 24.2 | 24.6 | 24.1 |
| Absolute minimum temperature (°C) | 19.7 | 20.2 | 20.7 | 21.1 | 21.2 | 20.3 | 20.5 | 21.0 | 21.0 | 23.0 | 22.8 | 22.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.9 | 11.9 | 12.1 | 12.2 | 12.3 | 12.4 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 9.8 | 9.7 | 8.9 | 9.7 | 10.6 | 10.8 | 11.1 | 11.2 | 11.4 | 11.2 | 10.8 | 10.7 |
| Precipitation (mm) | 259 | 206 | 334 | 252 | 51 | 6 | 0 | 1 | 0 | 2 | 17 | 58 |
| Sunny days | 0 | 0 | 2 | 1 | 9 | 19 | 28 | 24 | 27 | 27 | 12 | 7 |
| Rainy days | 31 | 28 | 29 | 29 | 22 | 11 | 3 | 7 | 3 | 4 | 18 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castelo is at