World Resorts Brazil Niteroi Weather

Niteroi 7 Days Forecast

07.01
wed
Day
81°F
NW 2 mph
Precip.
100%
Night
72°F
S 4 mph
Precip.
0%
08.01
thu
Day
88°F
NW 6 mph
Precip.
0%
Night
75°F
S 3 mph
Precip.
100%
09.01
fri
Day
88°F
NW 9 mph
Precip.
0%
Night
75°F
S 3 mph
Precip.
0%
10.01
sat
Day
90°F
NW 9 mph
Precip.
0%
Night
75°F
SW 4 mph
Precip.
0%
11.01
sun
Day
91°F
NW 7 mph
Precip.
0%
Night
77°F
SW 4 mph
Precip.
0%
12.01
mon
Day
91°F
NW 9 mph
Precip.
0%
Night
79°F
SW 2 mph
Precip.
0%
13.01
tue
Day
90°F
NW 10 mph
Precip.
0%
Night
75°F
NE 2 mph
Precip.
0%

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 79.0°F. The highest and lowest sea temperatures during the month were 82.9°F and 75.4°F.

Air temperature in Niteroi, °F

Precipitation total in Niteroi, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Niteroi

Sunniest months:
July 20 days
August 19 days
May 16 days
Warmest months:
February 84.9 °F
March 84.8 °F
January 84.2 °F
Warmest sea temp:
February 80.3 °F
January 80.0 °F
March 79.8 °F
Coldest months:
July 76.6 °F
June 77.2 °F
August 77.3 °F
Rainiest months:
February 5 days
December 5 days
January 5 days
Windiest months:
October 6.8 mph
September 6.7 mph
August 6.5 mph

Niteroi on a weather map

Niteroi
+73°F
SW 7 mph
Feels like: +79°F
Precip.: 0%
Places in Brazil:
Name
°F
+73°F
+77°F
+86°F
+79°F
+75°F
+79°F
+75°F
+77°F
+75°F
+75°F
+77°F
+75°F
24 Hours Forecast
Niteroi
Local time: 18:51
January 07, wednesday
2100
73°F
SW
6 mph
January 08, thursday
0000
72°F
S
4 mph
0300
72°F
S
5 mph
0600
75°F
SE
4 mph
0900
84°F
S
2 mph
1200
88°F
NW
6 mph
1500
86°F
NW
9 mph
1800
79°F
W
2 mph
Units of measurement: °C / °F