Measurements:
°C
°F
CURRENT WEATHER
03:00
Rio das Ostras
76°F
NE 4 mph
Feels like: 82°F
Precip: 100%
World Resorts Brazil Rio das Ostras Weather

7 Day Weather Forecast

05.01
fri
DAY
82°F
NW 6 mph
precip
100%
NIGHT
74°F
S 7 mph
precip
0%
05.02
sat
DAY
88°F
S 6 mph
precip
0%
NIGHT
76°F
SE 4 mph
precip
0%
05.03
sun
DAY
84°F
NE 14 mph
precip
61%
NIGHT
72°F
N 8 mph
precip
100%
05.04
mon
DAY
76°F
SW 7 mph
precip
74%
NIGHT
70°F
S 9 mph
precip
0%
05.05
tue
DAY
84°F
SW 11 mph
precip
0%
NIGHT
72°F
SW 10 mph
precip
0%
05.06
wed
DAY
86°F
SW 11 mph
precip
0%
NIGHT
72°F
SW 9 mph
precip
0%
05.07
thu
DAY
86°F
SW 12 mph
precip
0%
NIGHT
74°F
SW 12 mph
precip
0%

Rio das Ostras Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Rio das Ostras was 23.5°F. The maximum and minimum values were 22.6°F and 24.3°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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