Average annual temperature is 27.1 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: 22.1 °C
Number of sunny days: 89 days
Number of rainy days: 276 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) | 31.8 | 30.8 | 31.1 | 31.1 | 32.2 | 32.2 | 33.9 | 34.4 | 33.1 | 32.7 | 33.5 | 32.4 |
| Average daytime temperature (°C) | 29.7 | 29.1 | 28.9 | 29.1 | 30.2 | 30.9 | 31.9 | 31.7 | 31.8 | 31.1 | 31.4 | 31.3 |
| Average temperature (°C) | 26.8 | 26.4 | 26.0 | 26.0 | 27.1 | 27.0 | 27.3 | 27.2 | 27.5 | 27.6 | 28.0 | 28.0 |
| Average night temperature (°C) | 24.5 | 24.0 | 23.8 | 23.6 | 24.6 | 24.1 | 24.4 | 24.6 | 25.0 | 25.4 | 25.7 | 25.8 |
| Absolute minimum temperature (°C) | 22.7 | 22.3 | 22.2 | 22.1 | 23.4 | 22.2 | 22.9 | 23.7 | 24.3 | 24.1 | 24.4 | 24.0 |
| 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 | 12.0 | 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) | 10.3 | 9.6 | 9.0 | 8.8 | 10.5 | 10.5 | 11.0 | 11.1 | 11.1 | 11.0 | 11.2 | 10.6 |
| Precipitation (mm) | 146 | 217 | 320 | 271 | 55 | 47 | 14 | 6 | 4 | 7 | 15 | 39 |
| Sunny days | 3 | 0 | 1 | 2 | 1 | 7 | 13 | 17 | 18 | 14 | 10 | 3 |
| Rainy days | 28 | 28 | 30 | 28 | 30 | 23 | 18 | 14 | 12 | 17 | 20 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Barreiras is at