Average annual temperature is 21.8 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 11.6 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Bastião
* Weather data for Bastião 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) | 29.2 | 31.9 | 30.3 | 32.0 | 27.5 | 26.4 | 29.8 | 32.1 | 33.0 | 34.3 | 36.3 | 33.6 |
| Average daytime temperature (°C) | 26.9 | 29.2 | 28.7 | 27.1 | 25.3 | 24.2 | 24.1 | 26.2 | 27.4 | 29.9 | 31.6 | 31.0 |
| Average temperature (°C) | 22.0 | 23.1 | 22.7 | 22.0 | 20.2 | 19.1 | 18.8 | 20.2 | 21.4 | 23.2 | 24.5 | 24.4 |
| Average night temperature (°C) | 18.5 | 18.5 | 18.5 | 18.6 | 17.1 | 15.4 | 15.0 | 16.2 | 17.0 | 18.2 | 18.6 | 19.0 |
| Absolute minimum temperature (°C) | 16.5 | 17.0 | 16.4 | 16.7 | 12.3 | 12.6 | 11.6 | 12.8 | 14.4 | 15.7 | 15.5 | 16.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 | 11.3 | 11.6 | 12.0 | 12.4 | 12.8 | 13.0 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.8 | 10.7 | 10.4 | 8.3 | 8.5 | 8.7 | 8.7 | 9.0 | 9.8 | 9.7 | 10.7 | 10.9 |
| Precipitation (mm) | 158 | 36 | 33 | 117 | 37 | 21 | 34 | 60 | 16 | 80 | 36 | 95 |
| Sunny days | 1 | 9 | 7 | 4 | 6 | 16 | 13 | 10 | 9 | 16 | 19 | 10 |
| Rainy days | 30 | 19 | 24 | 26 | 25 | 14 | 18 | 21 | 21 | 15 | 11 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bastião is at