Average annual temperature is 27.5 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 21.5 °C
Number of sunny days: 75 days
Number of rainy days: 290 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) | 32.5 | 31.8 | 31.3 | 32.1 | 32.7 | 33.4 | 36.0 | 36.8 | 38.1 | 36.5 | 37.1 | 36.4 |
| Average daytime temperature (°C) | 30.5 | 29.7 | 29.3 | 30.1 | 31.4 | 31.9 | 34.0 | 34.6 | 35.5 | 34.2 | 33.3 | 33.3 |
| Average temperature (°C) | 26.6 | 26.2 | 25.7 | 26.0 | 27.3 | 27.2 | 28.0 | 28.3 | 28.7 | 28.6 | 28.7 | 28.6 |
| Average night temperature (°C) | 23.6 | 23.6 | 23.2 | 23.3 | 24.2 | 23.7 | 23.8 | 24.4 | 24.8 | 25.1 | 25.5 | 25.5 |
| Absolute minimum temperature (°C) | 21.8 | 22.2 | 22.1 | 21.5 | 22.9 | 21.9 | 22.3 | 23.5 | 23.7 | 24.1 | 24.3 | 24.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 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 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.3 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 10.1 | 9.5 | 8.4 | 8.6 | 10.6 | 10.6 | 11.1 | 11.3 | 11.3 | 11.1 | 11.1 | 10.6 |
| Precipitation (mm) | 221 | 230 | 383 | 333 | 105 | 60 | 16 | 9 | 8 | 21 | 28 | 61 |
| Sunny days | 0 | 0 | 0 | 0 | 1 | 3 | 15 | 16 | 16 | 11 | 7 | 6 |
| Rainy days | 31 | 28 | 31 | 30 | 30 | 27 | 16 | 15 | 14 | 20 | 23 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Barreiras is at