Nilópolis Weather & Climate: Best Time to Visit
With consistently stable weather, Nilópolis, Rio de Janeiro State, Brazil, sees little seasonal temperature change. Daytime highs average 29°C (84°F), ranging from 33°C (91°F) in February to 27°C (81°F) in July.
The city receives considerable rainfall, with around 1461 mm (58 in) annually. January is the wettest month. It has a distinct rainy season from November to March. The sunniest month is January, with 7.1 hours of sunshine per day on average.
Monthly Temperature in Nilópolis
The climate in Nilópolis remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a very warm 33°C (91°F) in February to a comfortable 27°C (81°F) in the coolest month, July.
Nights vary from 23°C (73°F) in February to around 16°C (61°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Nilópolis
Nilópolis is known for its substantial rainfall, with annual precipitation reaching 1461 mm (58 in). The climate in Nilópolis shows significant variation throughout the year. Expect heavy rainfall in January, the wettest month, with an average of 233 mm (9.2 in) of precipitation over 20 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 40 mm (1.6 in) of rainfall over 9 rainy days. For more details, please visit our Nilópolis Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Nilópolis
Nilópolis offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between January (7.1 hours daily) and September (4.8 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Nilópolis by Month
The relative humidity is high throughout the year in Nilópolis.
The city experiences its highest humidity in March, reaching 80%. In July, the humidity drops to its lowest level at 77%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Nilópolis 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Nilópolis
In general, temperatures in Nilópolis range from 27°C (81°F) to 33°C (91°F) across the year, with May, June, July and August being the best time to visit for those who prefer drier weather.Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Visitors should note that January, February, March, November and December are part of the rainy season, bringing substantial rainfall. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.