Average annual temperature is 27.6 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 20.8 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Castro
* Weather data for Castro 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) | 34.6 | 32.5 | 32.9 | 31.8 | 32.3 | 33.1 | 36.3 | 37.8 | 39.8 | 40.2 | 38.8 | 38.9 |
| Average daytime temperature (°C) | 31.6 | 30.9 | 30.1 | 30.4 | 31.2 | 31.9 | 32.9 | 35.8 | 37.7 | 37.9 | 37.2 | 36.1 |
| Average temperature (°C) | 26.2 | 25.6 | 25.0 | 25.3 | 26.6 | 26.8 | 27.2 | 28.8 | 30.0 | 30.2 | 30.1 | 29.5 |
| Average night temperature (°C) | 22.6 | 22.4 | 22.2 | 22.2 | 23.0 | 22.6 | 22.4 | 22.9 | 23.7 | 24.2 | 24.7 | 24.7 |
| Absolute minimum temperature (°C) | 20.8 | 21.5 | 21.0 | 21.4 | 21.8 | 21.2 | 21.0 | 21.5 | 22.7 | 23.3 | 24.0 | 23.1 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 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) | 9.8 | 9.2 | 8.1 | 8.8 | 10.3 | 10.9 | 11.2 | 11.3 | 11.3 | 11.1 | 10.9 | 10.5 |
| Precipitation (mm) | 160 | 322 | 517 | 367 | 72 | 23 | 2 | 2 | 0 | 4 | 11 | 90 |
| Sunny days | 1 | 0 | 3 | 3 | 3 | 8 | 21 | 24 | 27 | 26 | 16 | 13 |
| Rainy days | 30 | 28 | 28 | 27 | 28 | 22 | 10 | 7 | 3 | 5 | 14 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castro is at