Climate averages 1991–2020
Barra Mansa weather
in August.
A warm, fairly dry month: the 9th warmest and one of the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Barra Mansa: daytime highs average 24.9°C and nights cool to about 14.0°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 27 mm of rain on roughly 5 days, which makes August a fairly dry month (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 11 h 20 min on an average August day.
The nearest other city in this atlas is Volta Redonda (7 km away). In August its highs average 25.1°C, about as warm as Barra Mansa, with 26 mm of rain.
Among the 448 cities listed in Brazil, Barra Mansa ranks joint 279th of 448 for the warmest August highs and joint 179th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Barra Mansa is 1.3°C cooler than that mean.
From August to September, average highs rise by 1.3°C to 26.2°C, and monthly rainfall rises from 27 mm to 69 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
Barra Mansa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.6°C20.2°C | 20.2°C | 282 | 22.0 | 13.313 h |
| February | 29.1°C20.1°C | 20.1°C | 207 | 17.5 | 12.913 h |
| March | 27.7°C19.6°C | 19.6°C | 194 | 20.3 | 12.212 h |
| April | 26.2°C18.1°C | 18.1°C | 86 | 11.7 | 11.612 h |
| May | 24.1°C15.5°C | 15.5°C | 47 | 8.5 | 11.011 h |
| June | 23.7°C13.9°C | 13.9°C | 27 | 5.4 | 10.811 h |
| July | 23.5°C13.3°C | 13.3°C | 28 | 5.4 | 10.911 h |
| August, selected | 24.9°C14.0°C | 14.0°C | 27 | 5.3 | 11.311 h |
| September | 26.2°C15.9°C | 15.9°C | 69 | 10.8 | 11.912 h |
| October | 27.0°C17.6°C | 17.6°C | 117 | 14.6 | 12.613 h |
| November | 26.6°C18.4°C | 18.4°C | 204 | 18.8 | 13.213 h |
| December | 27.9°C19.7°C | 19.7°C | 248 | 21.3 | 13.513 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
- Volta Redonda in AugustBrazil · 7 kmHigh 25.1°C · Low 14.1°C · 26 mm rain
- Resende in AugustBrazil · 29 kmHigh 24.0°C · Low 13.2°C · 47 mm rain
- Barra do Piraí in AugustBrazil · 36 kmHigh 25.3°C · Low 15.1°C · 27 mm rain
- Seropédica in AugustBrazil · 53 kmHigh 26.2°C · Low 16.0°C · 35 mm rain
- Itaguaí in AugustBrazil · 53 kmHigh 25.6°C · Low 17.1°C · 35 mm rain
- Angra dos Reis in AugustBrazil · 54 kmHigh 24.8°C · Low 18.4°C · 57 mm rain
- Japeri in AugustBrazil · 54 kmHigh 26.9°C · Low 16.6°C · 35 mm rain
- Valença (Rio de Janeiro), Brazil in AugustBrazil · 59 kmHigh 24.1°C · Low 13.7°C · 30 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 Barra Mansa) is explained once on the Barra Mansa year overview and on the Sources, method and limits page.