World Resorts Brazil Rio das Ostras Weather

Rio das Ostras weather in July

Weather in Rio das Ostras: July

Average day temperature: 75.2°F
Average night temperature: 64.4°F
Sea water temperature: 71.6°F
Number of sunny days: 20 days
Day length: 10.8 - 11.1 hours
Number of rainy days: 0 days
Precipitation totals: 0.2 in.

Air temperature in July, °F

Show year:
2025
2024
2023

The highest day temperature during July of 2025 was 82°F. At the same time the lowest night temperature was 58°F. Daily and nightly averages during July were 72.8°F and 62.3°F.

Sea water temperature in Rio das Ostras in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 70.2°F. The highest and lowest sea temperatures during the month were 71.8°F and 69.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in July are sunny but cloudy days are also possible.

Precipitation total in July, in.

Precipitation total value in Rio das Ostras in July is 0.2 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 8.2 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 7.9.

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
+72°F
SW 13 mph
Feels like: +77°F
Precip.: 0%
Places in Brazil:
Name
°F
+72°F
+73°F
+77°F
+75°F
+77°F
+73°F
+77°F
+77°F
+75°F
+73°F
+77°F
+73°F
24 Hours Forecast
Rio das Ostras
Local time: 23:51
December 24, wednesday
0000
72°F
SW
13 mph
0300
72°F
SW
11 mph
0600
75°F
SW
11 mph
0900
84°F
SW
9 mph
1200
88°F
W
13 mph
1500
84°F
W
16 mph
1800
75°F
SW
11 mph
2100
72°F
SW
11 mph
Units of measurement: °C / °F