Average annual temperature is 26.7 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 20.5 °C
Number of sunny days: 64 days
Number of rainy days: 301 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) | 31.7 | 32.5 | 32.7 | 32.4 | 32.2 | 33.3 | 35.6 | 36.7 | 36.9 | 37.0 | 37.9 | 33.3 |
| Average daytime temperature (°C) | 29.0 | 30.1 | 29.7 | 30.4 | 30.4 | 31.5 | 34.0 | 34.5 | 34.6 | 35.2 | 33.8 | 31.2 |
| Average temperature (°C) | 24.4 | 25.1 | 24.9 | 25.5 | 26.0 | 26.4 | 27.6 | 28.2 | 28.5 | 29.3 | 28.2 | 26.3 |
| Average night temperature (°C) | 21.7 | 22.0 | 22.3 | 22.4 | 22.9 | 22.3 | 22.2 | 23.2 | 23.8 | 24.7 | 24.1 | 23.3 |
| Absolute minimum temperature (°C) | 21.0 | 21.3 | 21.6 | 21.4 | 21.9 | 20.9 | 20.5 | 21.9 | 21.9 | 23.3 | 22.1 | 22.4 |
| 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 | 11.8 | 11.9 | 11.9 | 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) | 7.2 | 8.6 | 7.1 | 8.6 | 9.1 | 10.5 | 10.9 | 10.6 | 10.6 | 10.3 | 9.6 | 8.6 |
| Precipitation (mm) | 415 | 368 | 385 | 344 | 220 | 63 | 7 | 49 | 43 | 37 | 127 | 330 |
| Sunny days | 0 | 0 | 0 | 0 | 2 | 8 | 20 | 9 | 9 | 13 | 2 | 1 |
| Rainy days | 31 | 28 | 31 | 30 | 29 | 22 | 11 | 22 | 21 | 18 | 28 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castelo is at