Climate averages 1991–2020
Maricá weather
in October.
A warm, moderately wet month: the 7th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Maricá: daytime highs average 27.1°C and nights cool to about 20.6°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 72 mm of rain on roughly 10 days, which makes October a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 36 min on an average October day.
The nearest other city in this atlas is Itaboraí (20 km away). In October its highs average 27.0°C, about as warm as Maricá, with 112 mm of rain.
Among the 448 cities listed in Brazil, Maricá ranks joint 288th of 448 for the warmest October highs and joint 121st of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Maricá is 1.2°C cooler than that mean.
From October to November, average highs rise by 0.2°C to 27.3°C, and monthly rainfall rises from 72 mm to 113 mm.
The annual picture
October 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, selected | 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
October in nearby cities
- Itaboraí in OctoberBrazil · 20 kmHigh 27.0°C · Low 19.1°C · 112 mm rain
- São Gonçalo in OctoberBrazil · 26 kmHigh 27.4°C · Low 19.6°C · 114 mm rain
- Saquarema in OctoberBrazil · 36 kmHigh 25.4°C · Low 20.4°C · 67 mm rain
- Rio de Janeiro in OctoberBrazil · 37 kmHigh 28.0°C · Low 20.0°C · 92 mm rain
- Magé in OctoberBrazil · 37 kmHigh 27.4°C · Low 19.3°C · 114 mm rain
- Araruama in OctoberBrazil · 49 kmHigh 24.6°C · Low 20.7°C · 94 mm rain
- Duque de Caxias in OctoberBrazil · 53 kmHigh 28.2°C · Low 19.8°C · 121 mm rain
- Barra da Tijuca in OctoberBrazil · 57 kmHigh 28.5°C · Low 20.5°C · 92 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.