World Resorts Brazil Rio das Ostras Weather

Rio das Ostras 14 Days Forecast

30.07
thu
Day
79°F
N 11 mph
Precip.
5%
Night
68°F
NE 3 mph
Precip.
29%
31.07
fri
Day
73°F
NW 7 mph
Precip.
19%
Night
64°F
SW 8 mph
Precip.
14%
01.08
sat
Day
79°F
SW 13 mph
Precip.
2%
Night
64°F
SW 14 mph
Precip.
12%
02.08
sun
Day
82°F
SW 11 mph
Precip.
2%
Night
66°F
S 11 mph
Precip.
20%
03.08
mon
Day
82°F
SW 11 mph
Precip.
1%
Night
68°F
SW 14 mph
Precip.
15%
04.08
tue
Day
84°F
SW 9 mph
Precip.
1%
Night
68°F
SW 10 mph
Precip.
13%
05.08
wed
Day
84°F
SW 9 mph
Precip.
1%
Night
66°F
NE 7 mph
Precip.
16%
06.08
thu
Day
81°F
W 6 mph
Precip.
3%
Night
70°F
SW 11 mph
Precip.
9%
07.08
fri
Day
77°F
N 10 mph
Precip.
14%
Night
68°F
SW 9 mph
Precip.
18%
08.08
sat
Day
88°F
SW 11 mph
Precip.
1%
Night
70°F
NE 9 mph
Precip.
13%
09.08
sun
Day
79°F
NW 7 mph
Precip.
5%
Night
70°F
E 3 mph
Precip.
37%
10.08
mon
Day
73°F
NE 13 mph
Precip.
61%
Night
68°F
NW 6 mph
Precip.
56%
11.08
tue
Day
70°F
N 7 mph
Precip.
67%
Night
66°F
N 13 mph
Precip.
75%

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 72.5°F. The highest and lowest sea temperatures during the month were 74.1°F and 71.4°F.

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

Rio das Ostras
+70°F
NE 4 mph
Feels like: +70°F
Precip.: 6%
Places in Brazil:
Name
°F
+70°F
+73°F
+73°F
+57°F
+73°F
+75°F
+64°F
+64°F
+66°F
+57°F
+61°F
+77°F
+59°F
24 Hours Forecast
Rio das Ostras
Local time: 01:44
July 30, thursday
0300
70°F
NE
4 mph
0600
68°F
NE
9 mph
0900
75°F
NE
7 mph
1200
79°F
N
11 mph
1500
77°F
NW
11 mph
1800
70°F
N
8 mph
2100
68°F
NE
5 mph
July 31, friday
0000
68°F
NE
3 mph
Units of measurement: °C / °F