March weather forecast and climate
Rio de Janeiro, Brazil

Christ the Redeemer statue atop Mount Corcovado, overlooking the seaside city of Rio de Janeiro, Brazil
Christ the Redeemer statue atop Mount Corcovado, overlooking the seaside city of Rio de Janeiro, Brazil
March has warm and muggy weather in Rio de Janeiro as the city receives 134.6mm (5.3") of rain. The average temperatures are in the 23.3°C (73.9°F) to 29.4°C (84.9°F) range with many hot days. The nights are comfortable, and the evenings are breezy along the coast.
The famous beaches of Copacabana and Ipanema are bustling with activity as the seawaters touch an average temperature of 26.1°C (79°F).
Although light summer clothing is preferable, avoid the midday sun, especially on the beach with the high levels of ultraviolet radiation in March in Rio.

What is the temperature in March in Rio de Janeiro?

In Rio de Janeiro, in March, the average high-temperature is 29.4°C (84.9°F), and the average low-temperature is 23.3°C (73.9°F).

How much does it rain in Rio de Janeiro in March?

In March, in Rio de Janeiro, the rain falls for 8 days. Throughout March, 135.8mm (5.3") of precipitation is accumulated.
Average temperature in March - Rio de Janeiro, Brazil
  • Average high temperature in March: 29.4°C

Warmest months (with the highest average high temperature) are January and February (30.2°C).
The month with the lowest average high temperature is July (25°C).

  • Average low temperature in March: 23.3°C

The month with the highest average low temperature is February (23.5°C).
The coldest month (with the lowest average low temperature) is July (18.4°C).

Average humidity in March - Rio de Janeiro, Brazil
  • Average humidity in March: 80%

Months with the highest relative humidity are March, April, May, October and December (80%).
Months with the lowest relative humidity are July and August (77%).

Average rainfall in March - Rio de Janeiro, Brazil
  • Average rainfall in March: 135.8mm

The wettest month (with the highest rainfall) is January (137.1mm).
The driest month (with the lowest rainfall) is July (41.9mm).

Average rainfall days in March - Rio de Janeiro, Brazil
  • Average rainfall days in March: 8 days

Months with the highest number of rainy days are January and December (11 days).
The month with the lowest number of rainy days is July (4 days).

Average sea temperature in March - Rio de Janeiro, Brazil
  • Average sea temperature in March: 25.8°C

The best month for swimming (with the highest average sea temperature) is March (25.8°C).
The coldest month (with the lowest average sea temperature) is September (21.6°C).

Average daylight in March / Average sunshine in March - Rio de Janeiro, Brazil
  • Average daylight in March: 12.2h

The month with the longest days is December (Average daylight: 13.5h).
The month with shortest days is June (Average daylight: 10.7h).

  • Average sunshine in March: 6.7h

The month with most sunshine is February (Average sunshine: 7.2h).
Months with least sunshine are September and October (Average sunshine: 4.9).

Average UV index in March - Rio de Janeiro, Brazil
  • Average UV index in March: 12

Months with the highest UV index are January, February, March, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 5).

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