Climate averages 1991–2020
Maricá weather
in December.
A hot, wet month: the joint 3rd warmest and the joint 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Maricá: daytime highs average 29.0°C and nights cool to about 23.0°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 123 mm of rain on roughly 13 days, which makes December a wet month (the joint 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 31 min on an average December day.
The nearest other city in this atlas is Itaboraí (20 km away). In December its highs average 28.7°C, about as warm as Maricá, with 255 mm of rain.
Among the 448 cities listed in Brazil, Maricá ranks joint 170th of 448 for the warmest December highs and 108th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Maricá is 0.5°C warmer than that mean.
From December to January, average highs rise by 1.0°C to 29.9°C, and monthly rainfall rises from 123 mm to 126 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Itaboraí in DecemberBrazil · 20 kmHigh 28.7°C · Low 21.6°C · 255 mm rain
- São Gonçalo in DecemberBrazil · 26 kmHigh 29.1°C · Low 22.1°C · 229 mm rain
- Saquarema in DecemberBrazil · 36 kmHigh 27.4°C · Low 22.7°C · 122 mm rain
- Rio de Janeiro in DecemberBrazil · 37 kmHigh 29.7°C · Low 22.6°C · 151 mm rain
- Magé in DecemberBrazil · 37 kmHigh 29.1°C · Low 21.9°C · 229 mm rain
- Araruama in DecemberBrazil · 49 kmHigh 26.6°C · Low 22.9°C · 189 mm rain
- Duque de Caxias in DecemberBrazil · 53 kmHigh 29.8°C · Low 22.3°C · 237 mm rain
- Barra da Tijuca in DecemberBrazil · 57 kmHigh 30.2°C · Low 23.0°C · 151 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.