Brazil weather in May 2025

Expect 26°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Brazil in May. Check more long-term weather averages for Brazil in May before you book your next holiday to Brazil in 2025/2026.

  • 26°C maximum daytime temperature in May in Brazil (Rio de Janeiro)26
    26°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in May in Brazil (Rio de Janeiro)12
    12 days with some rainfall
  • 17°C minimum night-time temperature in May in Brazil (Rio de Janeiro)17
    17°C min night temperature
  • 11 hours of daylight per day in May in Brazil (Rio de Janeiro)11
    11 hours of daylight per day
  • Low heat & humidity in May in Brazil (Rio de Janeiro)L
    Low heat & humidity
  • 107 mm monthly rainfall in May in Brazil (Rio de Janeiro)107
    107 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Brazil (Rio de Janeiro)7
    7 (High) UV index
  • 24°C sea temperature in May in Brazil (Rio de Janeiro)24
    24°C sea temperature

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The May 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.

Top Brazil destinations

Below are average maximum temperatures at popular countries, regions and places in Brazil in May. Select a holiday destination to see more weather parameters.

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

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More about Brazil

How hot is it in Brazil in May?

Daytime temperatures usually reach 26°C in Rio de Janeiro, Brazil in May with low heat and humidity, falling to 17°C at night.

How sunny is it in Brazil in May?

There are normally 6 hours of bright sunshine each day in Rio de Janeiro, Brazil in May - that's 53% of daylight hours.

How warm is the sea around Brazil in May?

The average sea temperature around Rio de Janeiro, Brazil in May is 24°C.

Does it rain in Brazil in May?

There are usually 12 days with some rain in Rio de Janeiro, Brazil in May and the average monthly rainfall is 107mm.

Brazil May sunrise & sunset times

Browse the sunrise and sunset times for Brazil in May 2025. Select a month to view Brazil sunrise and sunset times for the next 12 months. The Brazil sunrise and sunset times shown below are for Rio de Janeiro.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:13 17:27
Friday, 16th May 2025 06:19 17:19
Saturday, 31st May 2025 06:26 17:15

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