Measurements:
°C
°F
CURRENT WEATHER
09:53
Rio das Ostras
86°F
SW 6 mph
Feels like: 90°F
Precip: 0%
World Resorts Brazil Rio das Ostras Weather

7 Day Weather Forecast

03.18
tue
DAY
88°F
W 11 mph
precip
76%
NIGHT
74°F
S 7 mph
precip
0%
03.19
wed
DAY
86°F
NW 10 mph
precip
100%
NIGHT
74°F
NE 5 mph
precip
100%
03.20
thu
DAY
84°F
N 9 mph
precip
100%
NIGHT
74°F
E 6 mph
precip
0%
03.21
fri
DAY
84°F
NW 9 mph
precip
100%
NIGHT
76°F
E 2 mph
precip
0%
03.22
sat
DAY
86°F
W 9 mph
precip
100%
NIGHT
76°F
S 6 mph
precip
0%
03.23
sun
DAY
88°F
W 12 mph
precip
28%
NIGHT
76°F
SW 9 mph
precip
0%
03.24
mon
DAY
88°F
SW 6 mph
precip
25%
NIGHT
76°F
NW 6 mph
precip
100%

Rio das Ostras Sea Water Temperature in March, °F

Select Year: 2025 2024 2023
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25
27
29
31
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21
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25
27
29
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33

The average sea surface temperature in March 2025 for Rio das Ostras was 25.7°F. The maximum and minimum values were 24.4°F and 26.9°F respectively.

Rio das Ostras on the Weather Map

Best Time to Visit Rio das Ostras
The most sunny months:
July 20 days
June 17 days
August 16 days
The most warm months:
March 86.3 °F
February 86.0 °F
January 85.1 °F
Warmest sea temperature:
March 80.6 °F
April 80.1 °F
February 80.0 °F
The most cold months:
July 78.6 °F
August 79.1 °F
June 79.4 °F
The most rainy months:
November 6 days
January 6 days
February 5 days
The most windy months:
September 10 mph
August 9 mph
October 8 mph
more details