World Resorts Brazil Rio das Ostras Weather

Rio das Ostras 14 Days Forecast

23.12
tue
Day
86°F
SW 15 mph
Precip.
0%
Night
72°F
SW 13 mph
Precip.
0%
24.12
wed
Day
88°F
W 10 mph
Precip.
0%
Night
72°F
SW 10 mph
Precip.
0%
25.12
thu
Day
88°F
W 9 mph
Precip.
0%
Night
72°F
SW 9 mph
Precip.
0%
26.12
fri
Day
86°F
NW 10 mph
Precip.
0%
Night
73°F
E 1 mph
Precip.
0%
27.12
sat
Day
84°F
W 12 mph
Precip.
0%
Night
72°F
SW 11 mph
Precip.
0%
28.12
sun
Day
90°F
W 9 mph
Precip.
0%
Night
73°F
SW 9 mph
Precip.
0%
29.12
mon
Day
84°F
NW 11 mph
Precip.
77%
Night
73°F
S 4 mph
Precip.
0%
30.12
tue
Day
82°F
W 8 mph
Precip.
0%
Night
73°F
SW 6 mph
Precip.
0%
31.12
wed
Day
82°F
SW 9 mph
Precip.
20%
Night
73°F
SW 13 mph
Precip.
0%
01.01
thu
Day
88°F
W 6 mph
Precip.
0%
Night
73°F
SW 11 mph
Precip.
42%
02.01
fri
Day
90°F
S 9 mph
Precip.
0%
Night
75°F
SW 11 mph
Precip.
0%
03.01
sat
Day
86°F
SE 11 mph
Precip.
100%
Night
73°F
E 4 mph
Precip.
100%
04.01
sun
Day
79°F
N 3 mph
Precip.
100%
Night
73°F
S 4 mph
Precip.
100%
05.01
mon
Day
84°F
W 4 mph
Precip.
100%
Night
77°F
SW 6 mph
Precip.
25%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 77.9°F and 73.6°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 81.1°F and 75.9°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 81.6 °F
Warmest sea temp:
March 77.7 °F
April 77.1 °F
February 77.0 °F
Coldest months:
July 75.2 °F
August 75.8 °F
June 76.3 °F
Rainiest months:
January 6 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

Rio das Ostras
+73°F
SW 14 mph
Feels like: +77°F
Precip.: 0%
Places in Brazil:
Name
°F
+73°F
+75°F
+77°F
+77°F
+77°F
+73°F
+79°F
+81°F
+77°F
+75°F
+77°F
+73°F
24 Hours Forecast
Rio das Ostras
Local time: 21:09
December 24, wednesday
0000
72°F
SW
13 mph
0300
72°F
SW
14 mph
0600
75°F
SW
12 mph
0900
86°F
SW
9 mph
1200
88°F
W
10 mph
1500
82°F
W
6 mph
1800
75°F
SW
10 mph
2100
73°F
SW
11 mph
Units of measurement: °C / °F