Climate averages 1991–2020
Macaé weather
in August.
A warm, fairly dry month: the 10th warmest and the 2nd 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 Macaé: daytime highs average 24.6°C and nights cool to about 18.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 31 mm of rain on roughly 6 days, which makes August a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 21 min on an average August day.
The nearest other city in this atlas is Rio das Ostras (23 km away). In August its highs average 25.0°C, about as warm as Macaé, with 34 mm of rain.
Among the 448 cities listed in Brazil, Macaé ranks joint 293rd of 448 for the warmest August highs and joint 199th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Macaé is 1.6°C cooler than that mean.
From August to September, average highs rise by 0.8°C to 25.4°C, and monthly rainfall rises from 31 mm to 60 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
Macaé climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.0°C23.4°C | 23.4°C | 139 | 11.7 | 13.313 h |
| February | 29.4°C23.6°C | 23.6°C | 83 | 8.8 | 12.913 h |
| March | 28.3°C23.1°C | 23.1°C | 124 | 13.9 | 12.212 h |
| April | 26.9°C21.7°C | 21.7°C | 71 | 11.2 | 11.612 h |
| May | 25.0°C19.6°C | 19.6°C | 57 | 9.8 | 11.111 h |
| June | 24.5°C18.4°C | 18.4°C | 30 | 5.9 | 10.811 h |
| July | 24.2°C17.9°C | 17.9°C | 33 | 6.2 | 10.911 h |
| August, selected | 24.6°C18.2°C | 18.2°C | 31 | 6.4 | 11.311 h |
| September | 25.4°C19.2°C | 19.2°C | 60 | 9.1 | 11.912 h |
| October | 26.2°C20.4°C | 20.4°C | 86 | 10.2 | 12.613 h |
| November | 26.5°C21.3°C | 21.3°C | 154 | 14.4 | 13.213 h |
| December | 28.0°C22.6°C | 22.6°C | 149 | 14.8 | 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
- Rio das Ostras in AugustBrazil · 23 kmHigh 25.0°C · Low 17.8°C · 34 mm rain
- São Pedro da Aldeia in AugustBrazil · 60 kmHigh 23.4°C · Low 19.0°C · 31 mm rain
- Cabo Frio in AugustBrazil · 61 kmHigh 23.4°C · Low 19.4°C · 28 mm rain
- Nova Friburgo in AugustBrazil · 78 kmHigh 22.6°C · Low 13.7°C · 50 mm rain
- Araruama in AugustBrazil · 79 kmHigh 23.4°C · Low 19.1°C · 42 mm rain
- Campos dos Goytacazes in AugustBrazil · 84 kmHigh 26.1°C · Low 18.0°C · 21 mm rain
- Saquarema in AugustBrazil · 91 kmHigh 23.8°C · Low 18.4°C · 36 mm rain
- Itaboraí in AugustBrazil · 118 kmHigh 24.9°C · Low 15.8°C · 43 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 Macaé) is explained once on the Macaé year overview and on the Sources, method and limits page.