Rio de Janeiro weather in March 2025

Expect 29°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Rio de Janeiro in March based on long-term weather averages. There is usually 15 days with some rainfall and 183 mm of average monthly rainfall in March.

  • 29°C maximum daytime temperature in March in Rio de Janeiro29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in March in Rio de Janeiro15
    15 days with some rainfall
  • 21°C minimum night-time temperature in March in Rio de Janeiro21
    21°C min night temperature
  • 12 hours of daylight per day in March in Rio de Janeiro12
    12 hours of daylight per day
  • High heat & humidity in March in Rio de JaneiroH
    High heat & humidity
  • 183 mm monthly rainfall in March in Rio de Janeiro183
    183 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Rio de Janeiro11
    11+ (Extreme) UV index
  • 26°C sea temperature in March in Rio de Janeiro26
    26°C sea temperature

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The March weather guide for Brazil (Rio de Janeiro) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Brazil

How hot is it in Rio de Janeiro in March?

Daytime temperatures usually reach 29°C in Rio de Janeiro in March with high heat and humidity, falling to 21°C at night.

How sunny is it in Rio de Janeiro in March?

There are normally 6 hours of bright sunshine each day in Rio de Janeiro in March - that's 52% of daylight hours.

How warm is the sea around Rio de Janeiro in March?

The average sea temperature around Rio de Janeiro in March is 26°C.

Does it rain in Rio de Janeiro in March?

There are usually 15 days with some rain in Rio de Janeiro in March and the average monthly rainfall is 183mm.

Rio de Janeiro March sunrise & sunset times

Browse the sunrise and sunset times for Rio de Janeiro in March 2025. Select a month to view Rio de Janeiro sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 05:49 18:21
Sunday, 16th March 2025 05:55 18:07
Monday, 31st March 2025 06:01 17:53

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