Climate averages 1991–2020
Maricá weather
in August.
A warm, fairly dry month: the 10th 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 Maricá: daytime highs average 25.1°C and nights cool to about 18.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 38 mm of rain on roughly 8 days, which makes August a fairly dry 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 Itaboraí (20 km away). In August its highs average 24.9°C, about as warm as Maricá, with 43 mm of rain.
Among the 448 cities listed in Brazil, Maricá ranks joint 265th of 448 for the warmest August highs and joint 255th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Maricá is 1.1°C cooler than that mean.
From August to September, average highs rise by 0.9°C to 26.0°C, and monthly rainfall rises from 38 mm to 61 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
Maricá climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.9°C23.9°C | 23.9°C | 126 | 12.2 | 13.413 h |
| February | 30.4°C24.1°C | 24.1°C | 85 | 9.8 | 12.913 h |
| March | 29.0°C23.5°C | 23.5°C | 123 | 14.3 | 12.212 h |
| April | 27.4°C22.0°C | 22.0°C | 78 | 12.2 | 11.612 h |
| May | 25.2°C19.7°C | 19.7°C | 77 | 11.6 | 11.011 h |
| June | 24.7°C18.6°C | 18.6°C | 42 | 7.4 | 10.811 h |
| July | 24.4°C17.9°C | 17.9°C | 45 | 7.8 | 10.911 h |
| August, selected | 25.1°C18.2°C | 18.2°C | 38 | 7.7 | 11.311 h |
| September | 26.0°C19.2°C | 19.2°C | 61 | 9.8 | 11.912 h |
| October | 27.1°C20.6°C | 20.6°C | 72 | 10.3 | 12.613 h |
| November | 27.3°C21.5°C | 21.5°C | 113 | 13.8 | 13.213 h |
| December | 29.0°C23.0°C | 23.0°C | 123 | 13.3 | 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
- Itaboraí in AugustBrazil · 20 kmHigh 24.9°C · Low 15.8°C · 43 mm rain
- São Gonçalo in AugustBrazil · 26 kmHigh 25.3°C · Low 16.8°C · 44 mm rain
- Saquarema in AugustBrazil · 36 kmHigh 23.8°C · Low 18.4°C · 36 mm rain
- Rio de Janeiro in AugustBrazil · 37 kmHigh 25.9°C · Low 17.5°C · 41 mm rain
- Magé in AugustBrazil · 37 kmHigh 25.3°C · Low 16.0°C · 44 mm rain
- Araruama in AugustBrazil · 49 kmHigh 23.4°C · Low 19.1°C · 42 mm rain
- Duque de Caxias in AugustBrazil · 53 kmHigh 26.1°C · Low 16.7°C · 44 mm rain
- Barra da Tijuca in AugustBrazil · 57 kmHigh 26.5°C · Low 17.5°C · 41 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 Maricá) is explained once on the Maricá year overview and on the Sources, method and limits page.