Average annual temperature is 27.5 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 208 days
Number of rainy days: 157 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) | 35.5 | 37.1 | 37.8 | 33.5 | 32.8 | 31.7 | 33.9 | 36.5 | 38.0 | 38.6 | 38.6 | 38.0 |
| Average daytime temperature (°C) | 33.1 | 34.1 | 32.0 | 31.0 | 30.8 | 30.2 | 31.0 | 33.6 | 35.0 | 36.4 | 36.0 | 35.2 |
| Average temperature (°C) | 27.7 | 28.1 | 26.8 | 25.9 | 26.1 | 25.3 | 25.2 | 27.1 | 28.2 | 29.7 | 30.0 | 29.5 |
| Average night temperature (°C) | 22.6 | 22.9 | 22.4 | 21.6 | 21.9 | 21.3 | 19.7 | 21.0 | 21.6 | 23.0 | 23.9 | 23.8 |
| Absolute minimum temperature (°C) | 20.6 | 20.0 | 20.1 | 19.6 | 20.0 | 19.4 | 17.9 | 19.1 | 19.7 | 20.9 | 21.7 | 20.9 |
| 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 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 |
| 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) | 11.3 | 11.0 | 10.1 | 10.5 | 9.9 | 8.9 | 10.1 | 10.6 | 11.0 | 11.3 | 11.4 | 10.6 |
| Precipitation (mm) | 59 | 29 | 243 | 49 | 17 | 30 | 15 | 2 | 0 | 0 | 0 | 51 |
| Sunny days | 9 | 10 | 7 | 8 | 11 | 7 | 27 | 28 | 27 | 28 | 25 | 21 |
| Rainy days | 22 | 18 | 24 | 22 | 20 | 23 | 4 | 3 | 3 | 3 | 5 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castelo is at