World Resorts Brazil Rio das Ostras Weather

Rio das Ostras 7 Days Forecast

06.08
thu
Day
86°F
S 9 mph
Precip.
1%
Night
70°F
SW 11 mph
Precip.
12%
07.08
fri
Day
90°F
S 9 mph
Precip.
1%
Night
75°F
NE 26 mph
Precip.
6%
08.08
sat
Day
77°F
W 9 mph
Precip.
10%
Night
72°F
SW 11 mph
Precip.
15%
09.08
sun
Day
91°F
S 6 mph
Precip.
1%
Night
72°F
NE 11 mph
Precip.
14%
10.08
mon
Day
82°F
N 9 mph
Precip.
5%
Night
70°F
N 12 mph
Precip.
70%
11.08
tue
Day
68°F
N 14 mph
Precip.
57%
Night
64°F
NE 9 mph
Precip.
43%
12.08
wed
Day
64°F
N 4 mph
Precip.
36%
Night
64°F
NE 3 mph
Precip.
22%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 70.6°F. The highest and lowest sea temperatures during the month were 72.3°F and 70.0°F.

Air temperature in Rio das Ostras, °F

Precipitation total in Rio das Ostras, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Rio das Ostras

Sunniest months:
July 20 days
June 17 days
August 16 days
Warmest months:
February 82.4 °F
March 82.1 °F
January 81.4 °F
Warmest sea temp:
March 77.9 °F
February 77.2 °F
April 77.1 °F
Coldest months:
July 75.5 °F
August 75.8 °F
June 76.2 °F
Rainiest months:
January 7 days
February 5 days
November 5 days
Windiest months:
September 10.2 mph
August 9.4 mph
October 8.7 mph

Rio das Ostras on a weather map

Current weather
02:42
Rio das Ostras
+68°F
SW 11 mph
Feels like: +68°F
Precip.: 15%
Places in Brazil:
Name
°F
Angra dos Reis
+68°F
Buzios
+70°F
Joao Pessoa
+73°F
Ilha de Itamaraca
+73°F
Natal
+73°F
Recife
+73°F
Rio de Janeiro
+72°F
Sao Jose de Ribamar
+79°F
Sao Paulo
+66°F
Sao Sebastiao
+68°F
Santos
+68°F
Ubatuba
+61°F
Florianopolis
+61°F
Fortaleza
+77°F
Xangri-la
+61°F
all places
24 Hours Forecast
Rio das Ostras
Local time: 02:42
August 06, thursday
0300
68°F
SW
11 mph
0600
66°F
SW
12 mph
0900
77°F
S
12 mph
1200
86°F
S
9 mph
1500
86°F
S
9 mph
1800
77°F
SW
15 mph
2100
72°F
SW
14 mph
August 07, friday
0000
70°F
SW
11 mph
Units of measurement: °C / °F