Average annual temperature is 26.9 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 21.8 °C
Number of sunny days: 45 days
Number of rainy days: 320 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) | 31.9 | 32.5 | 31.7 | 32.5 | 32.5 | 31.8 | 32.7 | 34.9 | 36.9 | 36.2 | 35.6 | 35.1 |
| Average daytime temperature (°C) | 29.1 | 29.1 | 29.2 | 29.7 | 29.9 | 30.6 | 31.4 | 33.5 | 34.4 | 34.8 | 33.7 | 32.7 |
| Average temperature (°C) | 25.3 | 25.2 | 25.4 | 25.9 | 26.1 | 26.3 | 26.4 | 28.0 | 28.5 | 29.0 | 28.6 | 27.7 |
| Average night temperature (°C) | 22.9 | 23.1 | 23.3 | 23.5 | 23.7 | 23.4 | 23.2 | 23.9 | 24.3 | 24.6 | 24.8 | 24.4 |
| Absolute minimum temperature (°C) | 21.8 | 22.1 | 22.0 | 23.0 | 22.9 | 22.5 | 22.2 | 22.7 | 23.2 | 23.6 | 23.0 | 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.5 | 7.1 | 7.3 | 8.0 | 8.6 | 10.4 | 10.9 | 10.9 | 11.0 | 11.1 | 10.7 | 9.6 |
| Precipitation (mm) | 282 | 389 | 361 | 235 | 330 | 166 | 71 | 23 | 28 | 19 | 48 | 120 |
| Sunny days | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 9 | 17 | 9 | 5 | 1 |
| Rainy days | 30 | 28 | 31 | 30 | 31 | 28 | 30 | 22 | 13 | 22 | 25 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castelo is at