Average annual temperature is 25.6 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 81 days
Number of rainy days: 284 days
Look at detailed online map of Castanho
* Weather data for Castanho 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) | 31.4 | 31.5 | 31.9 | 31.8 | 32.0 | 32.5 | 33.9 | 34.3 | 36.0 | 36.7 | 35.4 | 33.4 |
| Average daytime temperature (°C) | 28.5 | 29.0 | 28.4 | 29.3 | 30.1 | 30.6 | 32.3 | 32.5 | 33.5 | 34.4 | 32.2 | 31.1 |
| Average temperature (°C) | 23.8 | 24.3 | 24.1 | 24.6 | 25.4 | 25.3 | 25.6 | 26.5 | 27.1 | 27.6 | 26.6 | 25.8 |
| Average night temperature (°C) | 21.2 | 21.5 | 21.6 | 21.9 | 22.2 | 21.1 | 20.2 | 22.1 | 22.7 | 23.2 | 23.0 | 22.8 |
| Absolute minimum temperature (°C) | 20.5 | 20.5 | 20.6 | 20.9 | 21.2 | 18.5 | 17.6 | 20.4 | 21.0 | 21.2 | 21.7 | 21.4 |
| 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 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.4 | 8.4 | 7.4 | 8.2 | 9.6 | 10.2 | 10.9 | 10.1 | 9.9 | 10.1 | 10.1 | 9.4 |
| Precipitation (mm) | 275 | 316 | 387 | 283 | 124 | 13 | 6 | 50 | 40 | 111 | 116 | 174 |
| Sunny days | 0 | 1 | 1 | 0 | 2 | 11 | 27 | 16 | 8 | 9 | 4 | 2 |
| Rainy days | 31 | 27 | 30 | 30 | 29 | 19 | 4 | 15 | 22 | 22 | 26 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castanho is at