Climate averages 1991–2020
Angra dos Reis weather
in August.
A warm, moderately wet month: the 10th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Angra dos Reis: daytime highs average 24.8°C and nights cool to about 18.4°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 57 mm of rain on roughly 9 days, which makes August a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 19 min on an average August day.
The nearest other city in this atlas is Barra Mansa (54 km away). In August its highs average 24.9°C, about as warm as Angra dos Reis, with 27 mm of rain.
Among the 448 cities listed in Brazil, Angra dos Reis ranks joint 284th of 448 for the warmest August highs and joint 323rd of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Angra dos Reis is 1.4°C cooler than that mean.
From August to September, average highs rise by 0.6°C to 25.4°C, and monthly rainfall rises from 57 mm to 104 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
Angra dos Reis climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.0°C24.1°C | 24.1°C | 301 | 24.1 | 13.413 h |
| February | 29.5°C24.3°C | 24.3°C | 221 | 20.2 | 12.913 h |
| March | 28.4°C23.5°C | 23.5°C | 232 | 22.9 | 12.212 h |
| April | 27.1°C22.1°C | 22.1°C | 135 | 15.6 | 11.612 h |
| May | 25.1°C19.9°C | 19.9°C | 95 | 12.4 | 11.011 h |
| June | 24.7°C18.7°C | 18.7°C | 59 | 8.5 | 10.711 h |
| July | 24.2°C18.1°C | 18.1°C | 64 | 8.7 | 10.911 h |
| August, selected | 24.8°C18.4°C | 18.4°C | 57 | 8.6 | 11.311 h |
| September | 25.4°C19.5°C | 19.5°C | 104 | 13.2 | 11.912 h |
| October | 26.2°C20.7°C | 20.7°C | 136 | 16.7 | 12.613 h |
| November | 26.4°C21.5°C | 21.5°C | 203 | 20.2 | 13.213 h |
| December | 28.0°C23.0°C | 23.0°C | 244 | 22.7 | 13.514 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
- Barra Mansa in AugustBrazil · 54 kmHigh 24.9°C · Low 14.0°C · 27 mm rain
- Volta Redonda in AugustBrazil · 58 kmHigh 25.1°C · Low 14.1°C · 26 mm rain
- Itaguaí in AugustBrazil · 58 kmHigh 25.6°C · Low 17.1°C · 35 mm rain
- Resende in AugustBrazil · 61 kmHigh 24.0°C · Low 13.2°C · 47 mm rain
- Seropédica in AugustBrazil · 69 kmHigh 26.2°C · Low 16.0°C · 35 mm rain
- Barra do Piraí in AugustBrazil · 78 kmHigh 25.3°C · Low 15.1°C · 27 mm rain
- Japeri in AugustBrazil · 79 kmHigh 26.9°C · Low 16.6°C · 35 mm rain
- Cruzeiro in AugustBrazil · 82 kmHigh 25.0°C · Low 13.5°C · 32 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 Angra dos Reis) is explained once on the Angra dos Reis year overview and on the Sources, method and limits page.