Measurements:
°C
°F
CURRENT WEATHER
01:12
Niteroi
72°F
NW 11 mph
Feels like: 72°F
Precip: 69%
World Resorts Brazil Niteroi Weather

14 Day Weather Forecast

10.19
mon
DAY
72°F
N 8 mph
precip
32%
NIGHT
68°F
NW 4 mph
precip
57%
10.20
tue
DAY
70°F
NW 5 mph
precip
29%
NIGHT
70°F
W 8 mph
precip
28%
10.21
wed
DAY
74°F
W 8 mph
precip
15%
NIGHT
72°F
W 11 mph
precip
60%
10.22
thu
DAY
76°F
W 11 mph
precip
37%
NIGHT
74°F
W 13 mph
precip
29%
10.23
fri
DAY
76°F
W 12 mph
precip
29%
NIGHT
76°F
S 6 mph
precip
29%
10.24
sat
DAY
82°F
N 6 mph
precip
7%
NIGHT
76°F
S 8 mph
precip
30%
10.25
sun
DAY
78°F
NW 3 mph
precip
27%
NIGHT
76°F
E 4 mph
precip
29%
10.26
mon
DAY
84°F
E 9 mph
precip
13%
NIGHT
74°F
NW 4 mph
precip
78%
10.27
tue
DAY
78°F
NW 9 mph
precip
23%
NIGHT
74°F
NW 14 mph
precip
72%
10.28
wed
DAY
78°F
NW 9 mph
precip
28%
NIGHT
76°F
W 14 mph
precip
42%
10.29
thu
DAY
78°F
NW 12 mph
precip
22%
NIGHT
76°F
SW 9 mph
precip
33%
10.30
fri
DAY
76°F
S 11 mph
precip
34%
NIGHT
72°F
SE 6 mph
precip
45%
10.31
sat
DAY
72°F
N 16 mph
precip
72%
NIGHT
70°F
NW 11 mph
precip
33%

Niteroi Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Niteroi was 78.9°F. The maximum and minimum values were 76.4°F and 80.6°F respectively.

Niteroi on the Weather Map

Best Time to Visit Niteroi
The most sunny months:
July 19 days
August 18 days
June 16 days
The most warm months:
February 88.5 °F
March 88.0 °F
January 87.6 °F
Warmest sea temperature:
February 84.0 °F
January 83.4 °F
March 83.0 °F
The most cold months:
July 79.5 °F
June 79.7 °F
August 80.0 °F
The most rainy months:
February 5 days
December 5 days
January 5 days
The most windy months:
September 7 mph
October 6 mph
August 6 mph
more details
24 Hours Weather Forecast
Niteroi
Local time: 01:12
19 oct, monday
0300 70°F
N
12 mph
0600 70°F
N
13 mph
0900 70°F
N
9 mph
1200 72°F
N
8 mph
1500 70°F
N
7 mph
1800 72°F
N
8 mph
2100 70°F
N
5 mph
20 oct, tuesday
0000 68°F
NW
4 mph