Rio De Janeiro Monthly Climate
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Temperature Overview
- Average Daytime Temperature: 27°C (81°F)
- Average Nighttime Temperature: 21°C (70°F)
Rainfall Statistics
- Annual average daily rainfall: 3.2 mm (0.13 inches) per day
- Rainiest month: December with around 5.9 mm (0.23 inches) per day
- Driest month: July with around 1.3 mm (0.05 inches) per day
- Average number of rainy days per year: 109 days
Monthly Weather Conditions
Temperature
Precipitation
Seasonal Breakdown
December-February (Summer)
- Highs: 29-31°C (84-88°F)
- Lows: 22-24°C (72-75°F)
- Rainy Days: 11-13 days per month
- Average Precipitation: 5.2 mm/day
- Hot and humid with frequent afternoon thunderstorms
March-May (Autumn)
- Highs: 26-30°C (79-86°F)
- Lows: 20-23°C (68-73°F)
- Rainy Days: 7-11 days per month
- Average Precipitation: 3.3 mm/day
- Gradually decreasing rainfall and humidity
June-August (Winter)
- Highs: 25-26°C (77-79°F)
- Lows: 18-19°C (64-66°F)
- Rainy Days: 5-6 days per month
- Average Precipitation: 1.5 mm/day
- Mild temperatures and lowest rainfall of the year
September-November (Spring)
- Highs: 26-28°C (79-82°F)
- Lows: 19-21°C (66-70°F)
- Rainy Days: 7-11 days per month
- Average Precipitation: 3.1 mm/day
- Increasing temperatures and rainfall
Best Time to Visit
The best time to visit Rio de Janeiro is during the winter months (June to September), when the weather is drier and slightly cooler. However, each season offers unique experiences:
Winter (June-August) is the most pleasant time to visit, with mild temperatures, low humidity, and minimal rainfall. This is perfect for sightseeing, hiking, and enjoying the beaches without the intense summer heat.
Spring (September-November) sees gradually warming temperatures and increasing rainfall. This shoulder season offers good weather for outdoor activities before the summer crowds arrive.
Summer (December-February) is hot and humid with frequent afternoon thunderstorms. While this is peak tourist season due to Carnival (February), be prepared for crowded beaches and occasional heavy rainfall.
Autumn (March-May) brings gradually cooling temperatures and decreasing rainfall. This is another good time to visit, with fewer tourists and still-warm temperatures perfect for beach activities.
Before you go ahead and plan your next visit, make sure to check the weather forecast for your exact travel dates on WhereWeather Website. You can also compare different cities and dates side-by-side.