Climate averages 1991–2020
Duque de Caxias weather
in August.
A warm, moderately wet month: the 9th warmest and 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 Duque de Caxias: daytime highs average 26.1°C and nights cool to about 16.7°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 44 mm of rain on roughly 8 days, which makes August a moderately wet month (the driest month 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 Belford Roxo (9 km away). In August its highs average 26.3°C, about as warm as Duque de Caxias, with 32 mm of rain.
Among the 448 cities listed in Brazil, Duque de Caxias ranks joint 202nd of 448 for the warmest August highs and joint 289th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Duque de Caxias is 0.1°C cooler than that mean.
From August to September, average highs rise by 1.0°C to 27.1°C, and monthly rainfall rises from 44 mm to 86 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
Duque de Caxias climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.9°C23.2°C | 23.2°C | 265 | 21.2 | 13.413 h |
| February | 31.4°C23.3°C | 23.3°C | 200 | 17.9 | 12.913 h |
| March | 29.7°C22.6°C | 22.6°C | 216 | 21.0 | 12.212 h |
| April | 28.1°C21.0°C | 21.0°C | 106 | 13.5 | 11.612 h |
| May | 25.8°C18.3°C | 18.3°C | 74 | 11.0 | 11.011 h |
| June | 25.4°C16.9°C | 16.9°C | 47 | 7.2 | 10.811 h |
| July | 25.1°C16.1°C | 16.1°C | 47 | 7.4 | 10.911 h |
| August, selected | 26.1°C16.7°C | 16.7°C | 44 | 7.5 | 11.311 h |
| September | 27.1°C18.2°C | 18.2°C | 86 | 11.0 | 11.912 h |
| October | 28.2°C19.8°C | 19.8°C | 121 | 14.3 | 12.613 h |
| November | 28.1°C20.8°C | 20.8°C | 213 | 19.0 | 13.213 h |
| December | 29.8°C22.3°C | 22.3°C | 237 | 21.1 | 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
- Belford Roxo in AugustBrazil · 9 kmHigh 26.3°C · Low 16.8°C · 32 mm rain
- Nova Iguaçu in AugustBrazil · 15 kmHigh 26.4°C · Low 16.4°C · 32 mm rain
- Rio de Janeiro in AugustBrazil · 19 kmHigh 25.9°C · Low 17.5°C · 41 mm rain
- Barra da Tijuca in AugustBrazil · 24 kmHigh 26.5°C · Low 17.5°C · 41 mm rain
- Queimados in AugustBrazil · 26 kmHigh 26.3°C · Low 16.2°C · 32 mm rain
- São Gonçalo in AugustBrazil · 27 kmHigh 25.3°C · Low 16.8°C · 44 mm rain
- Magé in AugustBrazil · 31 kmHigh 25.3°C · Low 16.0°C · 44 mm rain
- Petrópolis in AugustBrazil · 34 kmHigh 22.5°C · Low 13.5°C · 42 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 Duque de Caxias) is explained once on the Duque de Caxias year overview and on the Sources, method and limits page.