Average annual temperature is 22.4 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 9.2 °C
Number of sunny days: 134 days
Number of rainy days: 231 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) | 30.7 | 32.9 | 33.8 | 32.3 | 27.2 | 28.8 | 29.9 | 32.2 | 35.9 | 33.0 | 38.6 | 35.4 |
| Average daytime temperature (°C) | 27.9 | 31.1 | 31.0 | 26.3 | 24.1 | 25.2 | 23.9 | 25.3 | 27.7 | 28.8 | 31.4 | 31.2 |
| Average temperature (°C) | 23.4 | 25.2 | 24.9 | 21.8 | 19.3 | 19.3 | 18.8 | 20.0 | 21.9 | 23.4 | 25.2 | 25.2 |
| Average night temperature (°C) | 20.1 | 20.7 | 20.0 | 18.7 | 15.4 | 14.6 | 14.8 | 15.9 | 17.2 | 19.5 | 19.9 | 20.3 |
| Absolute minimum temperature (°C) | 17.7 | 18.4 | 18.0 | 16.4 | 11.5 | 9.2 | 9.9 | 12.1 | 13.4 | 14.8 | 12.0 | 17.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.2 | 12.8 | 12.2 | 11.6 | 11.1 | 10.9 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 8.4 | 11.2 | 10.6 | 8.6 | 9.2 | 9.6 | 8.6 | 8.9 | 9.1 | 7.7 | 10.6 | 10.6 |
| Precipitation (mm) | 238 | 37 | 41 | 153 | 24 | 10 | 61 | 96 | 48 | 124 | 88 | 101 |
| Sunny days | 4 | 11 | 13 | 2 | 11 | 20 | 10 | 14 | 21 | 6 | 16 | 6 |
| Rainy days | 27 | 17 | 18 | 28 | 20 | 10 | 21 | 17 | 9 | 25 | 14 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castelo is at