Measurements:
°C
°F
CURRENT WEATHER
00:47
Niteroi
76°F
S 3 mph
Feels like: 82°F
Precip: 100%
World Resorts Brazil Niteroi Weather

7 Day Weather Forecast

03.19
wed
DAY
84°F
NE 11 mph
precip
100%
NIGHT
76°F
E 5 mph
precip
55%
03.20
thu
DAY
82°F
NE 9 mph
precip
100%
NIGHT
74°F
SE 3 mph
precip
88%
03.21
fri
DAY
82°F
N 7 mph
precip
100%
NIGHT
76°F
SW 3 mph
precip
0%
03.22
sat
DAY
86°F
NW 9 mph
precip
100%
NIGHT
76°F
SW 4 mph
precip
0%
03.23
sun
DAY
88°F
NW 6 mph
precip
100%
NIGHT
78°F
NW 3 mph
precip
100%
03.24
mon
DAY
78°F
W 2 mph
precip
0%
NIGHT
76°F
SE 3 mph
precip
24%
03.25
tue
DAY
80°F
E 4 mph
precip
65%
NIGHT
74°F
SE 4 mph
precip
100%

Niteroi Sea Water Temperature in March, °F

Select Year: 2025 2024 2023
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31
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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