World Resorts Brazil Rio das Ostras Weather

Rio das Ostras 7 Days Forecast

16.05
sat
Day
79°F
NW 5 mph
Precip.
61%
Night
70°F
S 4 mph
Precip.
0%
17.05
sun
Day
81°F
SW 12 mph
Precip.
0%
Night
70°F
E 6 mph
Precip.
0%
18.05
mon
Day
81°F
N 6 mph
Precip.
0%
Night
72°F
S 4 mph
Precip.
0%
19.05
tue
Day
75°F
NE 13 mph
Precip.
100%
Night
70°F
E 7 mph
Precip.
100%
20.05
wed
Day
70°F
SE 2 mph
Precip.
100%
Night
70°F
SE 3 mph
Precip.
0%
21.05
thu
Day
70°F
NE 6 mph
Precip.
62%
Night
68°F
N 5 mph
Precip.
100%
22.05
fri
Day
70°F
N 1 mph
Precip.
85%
Night
68°F
S 7 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 75.4°F. The highest and lowest sea temperatures during the month were 77.9°F and 73.2°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:
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 75.2 °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
22:56
Rio das Ostras
+70°F
S 4 mph
Feels like: +70°F
Precip.: 0%
Places in Brazil:
Name
°F
Balneario Pinhal
+64°F
Buzios
+72°F
Guarapari
+72°F
Guaratuba
+64°F
Joao Pessoa
+75°F
Ilha de Itamaraca
+77°F
Parati
+59°F
Pôrto Belo
+66°F
Recife
+77°F
Rio de Janeiro
+70°F
Rio das Ostras
+70°F
Sao Paulo
+64°F
Santos
+68°F
Florianopolis
+64°F
Fortaleza
+75°F
all places
24 Hours Forecast
Rio das Ostras
Local time: 22:56
May 17, sunday
0000
70°F
S
4 mph
0300
68°F
S
6 mph
0600
68°F
SW
7 mph
0900
73°F
SW
11 mph
1200
81°F
SW
12 mph
1500
82°F
SW
12 mph
1800
75°F
SW
9 mph
2100
72°F
NE
8 mph
Units of measurement: °C / °F