The hottest month in Rio de Janeiro is typically February, with daytime highs averaging around 30.2°C (86°F), based on 10 years of historical weather data. Overnight lows during this period average near 24°C (75°F).

What is the coldest month in Rio de Janeiro?

The coldest month in Rio de Janeiro is typically July, with overnight lows averaging around 17.9°C (64°F) and daytime highs near 24.6°C (76°F), based on 10 years of historical weather data.

Does Rio de Janeiro have a rainy season?

Rio de Janeiro doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. January is the wettest month on average (about 155 mm), while June is the driest (about 38 mm).

What's the best time of year to visit Rio de Janeiro?

The best time to visit Rio de Janeiro is typically June to August, when daytime highs average a comfortable 24.8°C (77°F). Rainfall during this window averages around 47 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Atmospheric Details

Wind

13 km/h

NW · Gentle Breeze · Max 17 km/h

Humidity

97 %

High · feels muggy

UV Index

Moderate

Visibility

5 km

Moderate

Pressure

1015 hPa

Stable

Dew Point

21°C

Very humid

Today vs Normal

26°C+1° above normal

The long-term average high for today is 25°C.

Air Quality

Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Health & Activity Advice

✅ Good for Outdoors

UV index is 3 today — moderate. Sunscreen is worth using for extended time outside, but no special precautions are needed for short trips.

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Conditions are comfortable for outdoor activity at most points during the day today.