Average annual temperature is 27.2 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 193 days
Number of rainy days: 172 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) | 31.5 | 33.8 | 32.8 | 32.8 | 32.0 | 33.4 | 35.6 | 37.6 | 38.9 | 39.9 | 38.5 | 37.9 |
| Average daytime temperature (°C) | 29.7 | 30.5 | 30.0 | 30.9 | 30.3 | 31.8 | 33.4 | 34.7 | 36.7 | 38.1 | 34.8 | 34.1 |
| Average temperature (°C) | 24.8 | 25.7 | 25.2 | 25.8 | 25.4 | 25.7 | 26.8 | 28.2 | 29.9 | 31.5 | 28.8 | 28.3 |
| Average night temperature (°C) | 20.6 | 21.5 | 21.3 | 21.1 | 21.1 | 20.1 | 20.6 | 22.2 | 23.3 | 24.9 | 23.5 | 23.4 |
| Absolute minimum temperature (°C) | 18.4 | 19.6 | 20.2 | 19.3 | 19.1 | 18.5 | 18.7 | 19.9 | 21.2 | 22.5 | 21.9 | 21.1 |
| 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) | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 | 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) | 10.4 | 10.8 | 9.3 | 10.3 | 9.8 | 10.4 | 10.7 | 11.0 | 11.3 | 11.4 | 10.9 | 11.1 |
| Precipitation (mm) | 115 | 93 | 177 | 75 | 40 | 0 | 0 | 8 | 10 | 15 | 72 | 83 |
| Sunny days | 2 | 4 | 1 | 7 | 14 | 30 | 31 | 28 | 27 | 22 | 14 | 13 |
| Rainy days | 29 | 24 | 30 | 23 | 17 | 0 | 0 | 3 | 3 | 9 | 16 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castelo is at