Average annual temperature is 27.9 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 20.1 °C
Number of sunny days: 140 days
Number of rainy days: 225 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) | 32.1 | 32.3 | 32.9 | 32.4 | 32.9 | 34.1 | 35.7 | 36.7 | 39.4 | 39.9 | 38.9 | 37.3 |
| Average daytime temperature (°C) | 30.2 | 30.3 | 29.9 | 30.6 | 31.1 | 32.1 | 33.2 | 35.1 | 37.5 | 38.0 | 36.9 | 35.0 |
| Average temperature (°C) | 25.5 | 25.7 | 25.4 | 25.8 | 26.7 | 27.2 | 27.5 | 28.8 | 30.8 | 31.3 | 30.8 | 29.3 |
| Average night temperature (°C) | 22.0 | 22.4 | 22.4 | 22.5 | 22.9 | 23.0 | 22.7 | 22.8 | 24.1 | 25.0 | 25.4 | 24.6 |
| Absolute minimum temperature (°C) | 20.1 | 21.2 | 21.6 | 21.6 | 21.8 | 21.8 | 20.9 | 21.1 | 22.8 | 24.3 | 23.7 | 22.9 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.9 | 11.9 | 12.0 | 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) | 9.4 | 9.0 | 7.9 | 9.3 | 10.4 | 10.9 | 11.1 | 11.3 | 11.4 | 11.1 | 10.7 | 10.6 |
| Precipitation (mm) | 289 | 312 | 438 | 316 | 81 | 7 | 12 | 3 | 0 | 1 | 22 | 70 |
| Sunny days | 0 | 0 | 2 | 3 | 9 | 16 | 19 | 21 | 26 | 25 | 10 | 9 |
| Rainy days | 31 | 28 | 29 | 27 | 22 | 14 | 12 | 10 | 4 | 6 | 20 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castelo is at