Measurements:
°C
°F
Rio das Ostras
84°F
NW 5 mph
Feels like: 88°F
Precip: 100%
World Resorts Brazil Rio das Ostras Weather

7 Day Weather Forecast

03.30
mon
DAY
84°F
NW 5 mph
precip
100%
NIGHT
74°F
S 4 mph
precip
82%
03.31
tue
DAY
84°F
SW 12 mph
precip
0%
NIGHT
76°F
S 7 mph
precip
87%
04.01
wed
DAY
86°F
SW 13 mph
precip
0%
NIGHT
76°F
S 9 mph
precip
0%
04.02
thu
DAY
84°F
SW 10 mph
precip
0%
NIGHT
76°F
SW 11 mph
precip
0%
04.03
fri
DAY
90°F
SW 10 mph
precip
0%
NIGHT
78°F
S 10 mph
precip
87%
04.04
sat
DAY
90°F
W 2 mph
precip
0%
NIGHT
76°F
S 4 mph
precip
0%
04.05
sun
DAY
88°F
W 6 mph
precip
0%
NIGHT
78°F
SW 7 mph
precip
0%

Rio das Ostras Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Rio das Ostras was 26.0°F. The maximum and minimum values were 24.6°F and 27.1°F respectively.

Rio das Ostras on the Weather Map

Best Time to Visit Rio das Ostras
The most sunny months:
July 20 days
June 18 days
August 16 days
The most warm months:
February 86.0 °F
March 85.7 °F
January 84.9 °F
Warmest sea temperature:
March 81.0 °F
February 80.2 °F
April 80.2 °F
The most cold months:
July 78.0 °F
August 78.7 °F
June 79.3 °F
The most rainy months:
January 7 days
February 5 days
November 5 days
The most windy months:
September 10 mph
August 9 mph
October 9 mph