26.04
sun
sun
Day
88°F
NE 4 mph
Precip.
0%
0%
Night
75°F
S 2 mph
Precip.
0%
0%
27.04
mon
mon
Day
86°F
NE 8 mph
Precip.
0%
0%
Night
73°F
NE 2 mph
Precip.
100%
100%
28.04
tue
tue
Day
82°F
NW 7 mph
Precip.
0%
0%
Night
73°F
S 3 mph
Precip.
0%
0%
29.04
wed
wed
Day
90°F
W 1 mph
Precip.
0%
0%
Night
77°F
E 6 mph
Precip.
0%
0%
30.04
thu
thu
Day
79°F
NE 11 mph
Precip.
86%
86%
Night
73°F
NE 2 mph
Precip.
100%
100%
01.05
fri
fri
Day
81°F
NW 6 mph
Precip.
0%
0%
Night
73°F
SW 4 mph
Precip.
0%
0%
02.05
sat
sat
Day
86°F
NW 3 mph
Precip.
0%
0%
Night
75°F
S 5 mph
Precip.
0%
0%
03.05
sun
sun
Day
91°F
SE 6 mph
Precip.
0%
0%
Night
73°F
E 1 mph
Precip.
88%
88%
04.05
mon
mon
Day
88°F
N 1 mph
Precip.
0%
0%
Night
72°F
N 8 mph
Precip.
100%
100%
05.05
tue
tue
Day
66°F
N 8 mph
Precip.
100%
100%
Night
66°F
NE 3 mph
Precip.
100%
100%
06.05
wed
wed
Day
66°F
NE 4 mph
Precip.
100%
100%
Night
64°F
SE 4 mph
Precip.
88%
88%
07.05
thu
thu
Day
72°F
NE 7 mph
Precip.
0%
0%
Night
66°F
SW 6 mph
Precip.
100%
100%
08.05
fri
fri
Day
73°F
NW 6 mph
Precip.
100%
100%
Night
66°F
SW 5 mph
Precip.
100%
100%
09.05
sat
sat
Day
75°F
NW 4 mph
Precip.
72%
72%
Night
66°F
SW 7 mph
Precip.
100%
100%
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 75.4°F. The highest and lowest sea temperatures during the month were 77.5°F and 73.2°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 74.6°F. The highest and lowest sea temperatures during the month were 76.6°F and 73.2°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
Niteroi on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Niteroi
Local time: 21:32
April 27, monday
0000
75°F
S
2 mph
2 mph
0300
75°F
S
5 mph
5 mph
0600
73°F
S
6 mph
6 mph
0900
82°F
S
4 mph
4 mph
1200
86°F
NE
8 mph
8 mph
1500
84°F
N
10 mph
10 mph
1800
77°F
NE
5 mph
5 mph
2100
75°F
E
5 mph
5 mph
