Average annual temperature is 28.0 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 20.8 °C
Number of sunny days: 109 days
Number of rainy days: 256 days
Look at detailed online map of Barreiras
* Weather data for Barreiras 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) | 31.1 | 32.5 | 31.3 | 33.0 | 33.2 | 35.5 | 37.0 | 37.8 | 38.0 | 37.9 | 36.1 | 35.4 |
| Average daytime temperature (°C) | 29.8 | 30.2 | 29.3 | 30.6 | 31.3 | 33.7 | 35.2 | 36.1 | 36.2 | 35.7 | 33.9 | 32.4 |
| Average temperature (°C) | 25.8 | 26.1 | 25.7 | 26.5 | 27.0 | 28.1 | 28.9 | 30.1 | 30.4 | 30.4 | 29.0 | 28.0 |
| Average night temperature (°C) | 22.8 | 23.1 | 22.9 | 23.1 | 23.5 | 23.2 | 23.0 | 24.7 | 25.1 | 25.8 | 25.0 | 24.7 |
| Absolute minimum temperature (°C) | 21.7 | 22.2 | 22.3 | 21.9 | 22.8 | 22.0 | 20.8 | 22.5 | 22.2 | 24.5 | 23.2 | 23.6 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
| 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) | 9.8 | 9.1 | 7.8 | 9.8 | 10.1 | 10.8 | 10.9 | 11.1 | 11.2 | 11.2 | 10.5 | 9.8 |
| Precipitation (mm) | 154 | 181 | 347 | 147 | 122 | 3 | 1 | 3 | 10 | 11 | 50 | 77 |
| Sunny days | 0 | 0 | 0 | 2 | 8 | 18 | 23 | 19 | 13 | 13 | 8 | 5 |
| Rainy days | 31 | 28 | 31 | 28 | 23 | 12 | 8 | 12 | 17 | 18 | 22 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Barreiras is at