World Resorts Brazil Rio das Ostras Weather

Rio das Ostras 7 Days Forecast

16.03
mon
Day
82°F
W 9 mph
Precip.
0%
Night
70°F
S 7 mph
Precip.
0%
17.03
tue
Day
81°F
W 8 mph
Precip.
0%
Night
72°F
S 6 mph
Precip.
0%
18.03
wed
Day
79°F
W 7 mph
Precip.
60%
Night
73°F
W 4 mph
Precip.
100%
19.03
thu
Day
77°F
NW 6 mph
Precip.
100%
Night
73°F
N 2 mph
Precip.
100%
20.03
fri
Day
79°F
W 4 mph
Precip.
100%
Night
73°F
E 3 mph
Precip.
0%
21.03
sat
Day
79°F
N 8 mph
Precip.
100%
Night
73°F
E 4 mph
Precip.
0%
22.03
sun
Day
79°F
NW 4 mph
Precip.
100%
Night
72°F
E 4 mph
Precip.
64%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 78.6°F. The highest and lowest sea temperatures during the month were 79.9°F and 76.3°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 18 days
August 16 days
Warmest months:
March 82.5 °F
February 82.4 °F
January 81.4 °F
Warmest sea temp:
March 77.7 °F
February 77.2 °F
April 77.1 °F
Coldest months:
July 75.2 °F
August 75.8 °F
June 76.3 °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
15:21
Rio das Ostras
+81°F
W 11 mph
Feels like: +84°F
Precip.: 100%
Places in Brazil:
Name
°F
Angra dos Reis
+81°F
Balneario Camboriu
+82°F
Buzios
+79°F
Joao Pessoa
+84°F
Natal
+86°F
Porto Alegre
+90°F
Recife
+86°F
Rio de Janeiro
+82°F
Rio Grande
+79°F
Salvador
+82°F
Sao Paulo
+86°F
Sao Sebastiao
+81°F
Santos
+82°F
Florianopolis
+82°F
Fortaleza
+84°F
all places
24 Hours Forecast
Rio das Ostras
Local time: 15:21
March 16, monday
1800
75°F
W
7 mph
2100
73°F
SW
7 mph
March 17, tuesday
0000
70°F
S
7 mph
0300
70°F
S
6 mph
0600
68°F
S
6 mph
0900
75°F
SW
7 mph
1200
81°F
W
8 mph
1500
79°F
W
11 mph
Units of measurement: °C / °F