Average annual temperature is 26.0 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 29 days
Number of rainy days: 336 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 | 31.1 | 33.1 | 32.9 | 31.9 | 31.4 | 33.0 | 35.4 | 37.5 | 36.8 | 35.3 | 33.4 |
| Average daytime temperature (°C) | 28.7 | 28.9 | 29.9 | 30.2 | 30.2 | 29.1 | 30.6 | 31.8 | 33.8 | 34.1 | 32.0 | 30.3 |
| Average temperature (°C) | 24.6 | 24.7 | 25.3 | 25.5 | 25.5 | 24.7 | 25.8 | 26.7 | 27.9 | 28.1 | 26.9 | 25.9 |
| Average night temperature (°C) | 22.1 | 22.2 | 22.5 | 22.6 | 22.7 | 21.8 | 22.5 | 23.2 | 23.7 | 23.9 | 23.6 | 23.4 |
| Absolute minimum temperature (°C) | 20.6 | 20.8 | 21.5 | 21.5 | 21.7 | 18.4 | 20.7 | 21.1 | 22.5 | 21.8 | 22.2 | 22.3 |
| 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) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| 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) | 7.1 | 7.1 | 7.7 | 7.7 | 8.4 | 8.8 | 10.0 | 10.3 | 10.1 | 9.8 | 8.7 | 7.7 |
| Precipitation (mm) | 442 | 462 | 334 | 327 | 360 | 205 | 111 | 94 | 130 | 72 | 191 | 493 |
| Sunny days | 0 | 0 | 1 | 1 | 0 | 1 | 4 | 2 | 6 | 9 | 4 | 1 |
| Rainy days | 31 | 28 | 30 | 29 | 31 | 29 | 27 | 29 | 24 | 22 | 26 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castelo is at