The bar chart below shows the average monthly peak daytime temperatures at Barreiras
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 30.6 | 30.7 | 30.5 | 30.7 | 30.9 | 30.6 | 30.8 | 32.4 | 33.8 | 33.1 | 31.3 | 29.9 |
| °F | 87 | 87.2 | 86.9 | 87.2 | 87.6 | 87.1 | 87.5 | 90.4 | 92.8 | 91.5 | 88.4 | 85.9 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 159 | 153 | 144 | 92 | 16 | 5 | 1 | 3 | 20 | 82 | 172 | 196 |
| inches | 6.3 | 6 | 5.7 | 3.6 | 0.6 | 0.2 | 0 | 0.1 | 0.8 | 3.2 | 6.8 | 7.7 |
| Rainy days | 18 | 17 | 18 | 14 | 10 | 8 | 8 | 7 | 8 | 11 | 15 | 17 |
Average annual rainfall in Barreiras: 985mm (387.8 inches)
The bar chart below shows the average daily sunshine hours in Barreiras
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 6.9 | 7 | 7 | 7.5 | 8.7 | 9 | 9.6 | 9.7 | 8.6 | 7.3 | 6.7 | 7.2 |
The graph below shows the daily range of temperatures for each month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 19.2 | 19.7 | 19.3 | 18.9 | 17.2 | 15.4 | 14.4 | 15.2 | 17.7 | 19.8 | 19.8 | 19.6 |
| Max °C | 30.9 | 31 | 30.8 | 31 | 31.3 | 31 | 31.3 | 32.9 | 34.2 | 33.4 | 31.6 | 30.2 |
| Min °F | 66.5 | 67.4 | 66.7 | 65.9 | 62.9 | 59.7 | 57.8 | 59.3 | 63.8 | 67.6 | 67.6 | 67.3 |
| Max °F | 77 | 77.5 | 77 | 76.8 | 75.6 | 73.8 | 73 | 75.2 | 78.6 | 79.9 | 78.3 | 76.8 |
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 26.9 | 27.3 | 27.4 | 27.1 | 26.3 | 25.5 | 24.8 | 24.4 | 24.4 | 24.8 | 25.5 | 26.3 |
| °F | 80.5 | 81.1 | 81.3 | 80.9 | 79.4 | 77.9 | 76.7 | 76 | 76 | 76.7 | 77.9 | 79.4 |
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 7 | 7 | 7 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 8 | 8 |
| mph | 5 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 5 | 5 | 5 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 77% | 78% | 79% | 76% | 71% | 65% | 59% | 51% | 48% | 61% | 71% | 77% |
| Hottest month: | October | 33.1°C 91.6°F |
|---|---|---|
| Driest month: | July | 1mm 0ins |
| Sunniest month: | July | 9.6hrs |
| Coldest month: | July | 30.8°C 87.4°F |
| Wettest month: | December | 196mm 7.7ins |
| Warmest sea: | March | 27.4°C 81.3°F |