Climate averages 1991–2020
Barreiras weather
in August.
A hot, very dry month: the 3rd warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Barreiras: daytime highs average 31.7°C and nights cool to about 19.6°C. By daytime temperature it is the 3rd warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical August (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 43 min on an average August day.
The nearest other city in this atlas is Luis Eduardo Magalhães (87 km away). In August its highs average 29.5°C, 2.2°C cooler than Barreiras, with almost no rain (under 1 mm).
Among the 448 cities listed in Brazil, Barreiras ranks 54th of 448 for the warmest August highs and joint 2nd of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Barreiras is 5.5°C warmer than that mean.
From August to September, average highs rise by 2.1°C to 33.8°C, and monthly rainfall rises from under 1 mm to 8.2 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Barreiras climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.2°C21.8°C | 21.8°C | 139 | 16.4 | 12.713 h |
| February | 30.1°C21.7°C | 21.7°C | 123 | 15.8 | 12.512 h |
| March | 30.1°C21.7°C | 21.7°C | 142 | 16.5 | 12.212 h |
| April | 30.2°C21.6°C | 21.6°C | 68 | 10.2 | 11.812 h |
| May | 30.4°C20.9°C | 20.9°C | 18 | 3.1 | 11.612 h |
| June | 30.1°C19.8°C | 19.8°C | 1.5 | 0.3 | 11.411 h |
| July | 30.2°C19.0°C | 19.0°C | 0.2 | 0.0 | 11.511 h |
| August, selected | 31.7°C19.6°C | 19.6°C | 0.5 | 0.1 | 11.712 h |
| September | 33.8°C21.6°C | 21.6°C | 8.2 | 1.1 | 12.012 h |
| October | 34.1°C23.1°C | 23.1°C | 51 | 6.5 | 12.412 h |
| November | 31.3°C22.5°C | 22.5°C | 154 | 14.1 | 12.713 h |
| December | 30.7°C22.0°C | 22.0°C | 143 | 14.7 | 12.813 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Luis Eduardo Magalhães in AugustBrazil · 87 kmHigh 29.5°C · Low 17.8°C · 0.5 mm rain
- Guanambi in AugustBrazil · 332 kmHigh 28.9°C · Low 17.9°C · 0.2 mm rain
- Irecê in AugustBrazil · 354 kmHigh 27.8°C · Low 17.2°C · 0.9 mm rain
- Palmas in AugustBrazil · 426 kmHigh 34.4°C · Low 22.2°C · 0.9 mm rain
- Brumado in AugustBrazil · 426 kmHigh 28.2°C · Low 17.9°C · 4.2 mm rain
- Janaúba in AugustBrazil · 445 kmHigh 29.7°C · Low 17.9°C · 1.0 mm rain
- Gurupi in AugustBrazil · 446 kmHigh 34.1°C · Low 23.4°C · 0.5 mm rain
- Formosa, Brazil in AugustBrazil · 454 kmHigh 28.1°C · Low 16.9°C · 4.3 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Barreiras) is explained once on the Barreiras year overview and on the Sources, method and limits page.