Weather in Rio das Ostras in December
Rio das Ostras, Brazil averages a high of 28.5°C (83.3°F) and low of 22.4°C (72.3°F) in December, with 18 rain days and 10.4 hours of daily sunshine. Travel score: 69.9/100 (Good). The best time to visit Rio das Ostras is July.
High
29°C83°F
Low
22°C72°F
🌧️
18
rain days
☀️
10.4
hrs/day sunshine
💧
83%
humidity
70— Good
December in Rio das Ostras is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Rio das Ostras?
How much does it rain in Rio das Ostras in December?
Rio das Ostras receives an average of 202.6mm of rainfall across 18 rainy days in December. The annual total is 1255.3mm.
What should I pack for Rio das Ostras in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧥
Waterproof jacket
Frequent rain expected (18 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Brazil in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31