Climate averages 1991–2020
Barreiras weather
in July.
A hot, very dry month: the joint 7th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Barreiras: daytime highs average 30.2°C and nights cool to about 19.0°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical July (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 29 min on an average July day.
The nearest other city in this atlas is Luis Eduardo Magalhães (87 km away). In July its highs average 28.0°C, 2.2°C cooler than Barreiras, with almost no rain (under 1 mm).
Among the 448 cities listed in Brazil, Barreiras ranks joint 51st of 448 for the warmest July highs and joint 3rd of 448 for the driest July (rainfall, lowest first). The mean July high of those 448 cities is 24.7°C; Barreiras is 5.5°C warmer than that mean.
From July to August, average highs rise by 1.5°C to 31.7°C, and monthly rainfall stays under 1 mm.
The annual picture
July 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, selected | 30.2°C19.0°C | 19.0°C | 0.2 | 0.0 | 11.511 h |
| August | 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
July in nearby cities
- Luis Eduardo Magalhães in JulyBrazil · 87 kmHigh 28.0°C · Low 16.9°C · 0.1 mm rain
- Guanambi in JulyBrazil · 332 kmHigh 27.7°C · Low 17.7°C · 0.2 mm rain
- Irecê in JulyBrazil · 354 kmHigh 26.9°C · Low 17.2°C · 1.7 mm rain
- Palmas in JulyBrazil · 426 kmHigh 32.8°C · Low 21.1°C · 0.5 mm rain
- Brumado in JulyBrazil · 426 kmHigh 27.1°C · Low 17.7°C · 6.2 mm rain
- Janaúba in JulyBrazil · 445 kmHigh 28.1°C · Low 17.4°C · 0.3 mm rain
- Gurupi in JulyBrazil · 446 kmHigh 32.4°C · Low 22.2°C · 0 mm rain
- Formosa, Brazil in JulyBrazil · 454 kmHigh 26.3°C · Low 15.7°C · 0.3 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.