Climate averages 1991–2020
Rio das Ostras weather
in November.
A warm, very wet month: the 6th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
November is a warm month in Rio das Ostras: daytime highs average 26.8°C and nights cool to about 21.0°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 203 mm of rain on roughly 18 days, which makes November a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 11 min on an average November day.
The nearest other city in this atlas is Macaé (23 km away). In November its highs average 26.5°C, about as warm as Rio das Ostras, with 154 mm of rain.
Among the 448 cities listed in Brazil, Rio das Ostras ranks joint 271st of 448 for the warmest November highs and joint 375th of 448 for the driest November (rainfall, lowest first). The mean November high of those 448 cities is 28.0°C; Rio das Ostras is 1.2°C cooler than that mean.
From November to December, average highs rise by 1.6°C to 28.4°C, and monthly rainfall rises from 203 mm to 222 mm.
The annual picture
November 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
Rio das Ostras climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.4°C23.2°C | 23.2°C | 206 | 16.5 | 13.313 h |
| February | 29.8°C23.4°C | 23.4°C | 141 | 12.8 | 12.913 h |
| March | 28.6°C22.8°C | 22.8°C | 172 | 17.6 | 12.212 h |
| April | 27.2°C21.3°C | 21.3°C | 85 | 12.1 | 11.612 h |
| May | 25.1°C19.1°C | 19.1°C | 60 | 9.5 | 11.111 h |
| June | 24.7°C17.9°C | 17.9°C | 31 | 5.9 | 10.811 h |
| July | 24.4°C17.4°C | 17.4°C | 29 | 5.6 | 10.911 h |
| August | 25.0°C17.8°C | 17.8°C | 34 | 6.5 | 11.311 h |
| September | 25.7°C18.9°C | 18.9°C | 73 | 10.0 | 11.912 h |
| October | 26.6°C20.2°C | 20.2°C | 108 | 11.9 | 12.613 h |
| November, selected | 26.8°C21.0°C | 21.0°C | 203 | 17.5 | 13.213 h |
| December | 28.4°C22.4°C | 22.4°C | 222 | 19.0 | 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
November in nearby cities
- Macaé in NovemberBrazil · 23 kmHigh 26.5°C · Low 21.3°C · 154 mm rain
- São Pedro da Aldeia in NovemberBrazil · 38 kmHigh 25.2°C · Low 21.4°C · 139 mm rain
- Cabo Frio in NovemberBrazil · 41 kmHigh 25.1°C · Low 21.7°C · 101 mm rain
- Araruama in NovemberBrazil · 56 kmHigh 25.2°C · Low 21.5°C · 172 mm rain
- Nova Friburgo in NovemberBrazil · 66 kmHigh 24.7°C · Low 17.7°C · 310 mm rain
- Saquarema in NovemberBrazil · 68 kmHigh 25.8°C · Low 21.3°C · 111 mm rain
- Itaboraí in NovemberBrazil · 97 kmHigh 27.0°C · Low 20.1°C · 210 mm rain
- Maricá in NovemberBrazil · 100 kmHigh 27.3°C · Low 21.5°C · 113 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 Rio das Ostras) is explained once on the Rio das Ostras year overview and on the Sources, method and limits page.