Rio das Ostras Weather Year-Round — Best Time to Visit
Rio das Ostras, Brazil has warm weather year-round. The best time to visit is July (score: 86/100). Annual average high: 27.1°C, total rainfall: 1255mm.
When is the best time to visit Rio das Ostras?
86
July is the best month to visit Rio das Ostras with a travel score of 86/100 (Excellent).
Expect highs of 24.7°C, 5 rain days, and 9.1 hours of daily sunshine.
View July weather details →Travel Score by Month
74
Jan
77
Feb
73
Mar
79
Apr
82
May
85
Jun
86
Jul
85
Aug
81
Sep
78
Oct
71
Nov
70
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Rio das Ostras each month?
27.1°C
Avg High
20.4°C
Avg Low
1255mm
Annual Rain
How much rain does Rio das Ostras get?
Rio das Ostras receives 1255mm of rain annually. The wettest month is typically December with 203mm, while July is the driest.
What is the weather like each month in Rio das Ostras?
January
74
30°C
Low: 23°C
15 rain days
Good
February
77
30°C
Low: 23°C
13 rain days
Good
March
73
29°C
Low: 23°C
16 rain days
Good
April
79
27°C
Low: 21°C
11 rain days
Good
May
82
26°C
Low: 19°C
9 rain days
Excellent
June
85
25°C
Low: 18°C
6 rain days
Excellent
July
Best time to visit86
25°C
Low: 17°C
5 rain days
Excellent
August
85
25°C
Low: 18°C
6 rain days
Excellent
September
81
26°C
Low: 19°C
9 rain days
Excellent
October
78
27°C
Low: 20°C
12 rain days
Good
November
71
27°C
Low: 21°C
17 rain days
Good
December
70
29°C
Low: 22°C
18 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31