Measurements:
°C
°F
CURRENT WEATHER
21:17
Niteroi
78°F
SW 4 mph
Feels like: 82°F
Precip: 100%
World Resorts Brazil Niteroi Weather

7 Day Weather Forecast

03.18
tue
DAY
90°F
NW 9 mph
precip
78%
NIGHT
76°F
S 1 mph
precip
100%
03.19
wed
DAY
84°F
NE 12 mph
precip
100%
NIGHT
76°F
SE 3 mph
precip
100%
03.20
thu
DAY
82°F
NE 11 mph
precip
100%
NIGHT
76°F
E 1 mph
precip
100%
03.21
fri
DAY
84°F
N 7 mph
precip
100%
NIGHT
76°F
SW 4 mph
precip
0%
03.22
sat
DAY
86°F
NW 9 mph
precip
83%
NIGHT
76°F
SW 4 mph
precip
0%
03.23
sun
DAY
88°F
NW 7 mph
precip
21%
NIGHT
76°F
SW 5 mph
precip
0%
03.24
mon
DAY
78°F
W 3 mph
precip
100%
NIGHT
76°F
E 4 mph
precip
100%

Niteroi Sea Water Temperature in March, °F

Select Year: 2025 2024 2023
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27
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31
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34

The average sea surface temperature in March 2025 for Niteroi was 26.0°F. The maximum and minimum values were 25.0°F and 26.9°F respectively.

Niteroi on the Weather Map

Best Time to Visit Niteroi
The most sunny months:
July 20 days
August 19 days
September 17 days
The most warm months:
March 89.0 °F
February 88.8 °F
January 88.0 °F
Warmest sea temperature:
February 83.6 °F
March 83.3 °F
January 83.3 °F
The most cold months:
July 80.6 °F
June 80.7 °F
August 80.8 °F
The most rainy months:
December 6 days
February 5 days
January 5 days
The most windy months:
September 6 mph
October 6 mph
August 6 mph
more details