Niterói Weather and Climate: A Comprehensive Guide
Niterói has a steady warm climate throughout the year.
It is also known for its large amounts of rainfall.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
With minimal seasonal shifts, Niterói experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 32°C in February to a comfortable 26°C in the coolest month, July.
Nights are cooler, with lows often dropping to around 18°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Niterói has a notably wet climate with abundant precipitation, recording 1422 mm of rainfall per year. The climate in Niterói shows significant variation throughout the year. Expect heavy rainfall in January, with an average of 205 mm of precipitation over 20 rainy days. In contrast, August offers drier and sunnier days, with around 45 mm of rainfall over 9 rainy days. For more details, please visit our Niterói Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Niterói 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
Average water temperature
The mean water temperature over the year ranges from 21°C in August to 26°C in February.
Water temperature over the year
Average humidity
The relative humidity is high throughout the year in Niterói.
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
Average wind speed
The mean wind speed varies between 2 m/s and 4 m/s throughout the year. It is lowest in April, May, June and July and highest during November.
The mean monthly wind speed over the year (meters per second)
partly cloudy and slight rain partly cloudy and rain broken clouds and thunderForecast for Niterói
4 m/s
4 m/s
4 m/s
Select a Month of Interest
Check the weather conditions for any month in Niterói.
The best time of year to visit Niterói in Brazil
Niterói has high temperatures year round ranging between 26°C and 32°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in January, February, March, November and December.
February has an average maximum temperature of 32°C and is the warmest month of the year.
The coldest month is July with an average maximum temperature of 26°C.
January tops the wettest month list with 205 mm of rainfall.
August is the driest month with 45 mm of precipitation.
January is the sunniest month with an average of 212 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
