Rio de Janeiro Weather in March

What's the weather like in Rio de Janeiro, Brazil in March?

The climate in Rio de Janeiro during March can be summarized as hot, humid and wet.

March is in the fall / autumn in Rio de Janeiro and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 21°C (70°F) is normal.

Rio de Janeiro weather averages (imperial / metric)
Daytime temperature 29.2°C 84.6°F
Nightly temperature 21°C 69.8°F
Average temperature 25.1°C 77.2°F
Daily sunshine 6.7 hrs
Avg rainfall 183 mm 7.2 ins
Rainy days 15 days
Sea temperature 26.3°C 79.3°F
Humidity 81%
Windspeed 8.6kph 5 mph

On average March is the 4th wettest month of the year in Rio de Janeiro with around 183mm 7.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.7 hours of sunshine per day.

March temperatures in Rio de Janeiro

March rainfall

March hourly sunshine

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in March 2018.

Other monthly averages

Rio de Janeiro weather stats

Rio de Janeiro weather statistics
Hottest month: February 29.9°C 85.8°F
Driest month: July 66mm 2.6ins
Sunniest month: July 6.6hrs
Coldest month: July 24.2°C 75.6°F
Wettest month: December 207mm 8.1ins
Map showing location of Rio de Janeiro (-22.90278, -43.2075)

Locations nearby

Top Brazil locations

Change units