Measurements:
°C
°F
CURRENT WEATHER
16:32
Rio das Ostras
74°F
N 6 mph
Feels like: 74°F
Precip: 100%
World Resorts Brazil Rio das Ostras Weather

7 Day Weather Forecast

05.22
fri
DAY
74°F
NE 5 mph
precip
100%
NIGHT
70°F
W 2 mph
precip
100%
05.23
sat
DAY
76°F
SW 10 mph
precip
100%
NIGHT
70°F
SW 9 mph
precip
0%
05.24
sun
DAY
82°F
SW 6 mph
precip
0%
NIGHT
70°F
S 6 mph
precip
0%
05.25
mon
DAY
80°F
NW 5 mph
precip
0%
NIGHT
74°F
E 2 mph
precip
0%
05.26
tue
DAY
82°F
W 8 mph
precip
0%
NIGHT
72°F
SW 11 mph
precip
0%
05.27
wed
DAY
82°F
NE 15 mph
precip
82%
NIGHT
70°F
NE 16 mph
precip
0%
05.28
thu
DAY
78°F
NE 14 mph
precip
67%
NIGHT
66°F
NE 7 mph
precip
0%

Rio das Ostras Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Rio das Ostras was 23.9°F. The maximum and minimum values were 22.9°F and 25.5°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 80.1 °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
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