Average annual temperature is 27.5 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 21.8 °C
Number of sunny days: 80 days
Number of rainy days: 285 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 | 32.1 | 32.7 | 32.6 | 32.2 | 33.3 | 34.9 | 36.2 | 37.2 | 36.8 | 36.2 | 34.1 |
| Average daytime temperature (°C) | 29.4 | 29.9 | 30.0 | 30.4 | 30.5 | 31.4 | 33.1 | 34.3 | 35.1 | 35.1 | 33.9 | 32.1 |
| Average temperature (°C) | 25.3 | 25.9 | 26.0 | 26.5 | 26.8 | 27.1 | 27.7 | 28.8 | 29.5 | 29.8 | 29.1 | 27.7 |
| Average night temperature (°C) | 22.8 | 23.3 | 23.4 | 23.6 | 24.1 | 23.8 | 23.8 | 24.6 | 25.3 | 25.8 | 25.3 | 24.6 |
| Absolute minimum temperature (°C) | 21.8 | 22.6 | 22.8 | 21.9 | 23.5 | 22.5 | 22.3 | 23.2 | 23.8 | 24.0 | 23.6 | 23.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 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 | 11.9 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 |
| 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) | 7.6 | 8.4 | 8.4 | 9.1 | 9.5 | 10.7 | 10.9 | 10.9 | 10.8 | 10.5 | 10.1 | 9.1 |
| Precipitation (mm) | 402 | 343 | 277 | 202 | 243 | 62 | 13 | 26 | 28 | 36 | 109 | 241 |
| Sunny days | 0 | 0 | 0 | 1 | 1 | 8 | 12 | 16 | 16 | 16 | 9 | 1 |
| Rainy days | 31 | 28 | 31 | 29 | 30 | 22 | 19 | 15 | 14 | 15 | 21 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Barreiras is at