Niterói Climate by Month
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 day and night temperature
With minimal seasonal shifts, Niterói experiences a constant climate year-round. Typically, 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 temperatures generally dropping to 18°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
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.The mean monthly precipitation over the year, including rain, hail and snow
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.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year in Niterói ranges from 21°C in August to 26°C in February.
Water temperature over the year
Average humidity
The relative humidity is moderate throughout the year in Niterói.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Niterói ranges from 2°C in April to 4°C in November.
The mean monthly wind speed over the year (meters per second)
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.