Rio de Janeiro weather in October 2025

Expect 26°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Rio de Janeiro in October. Check more long-term weather averages for Rio de Janeiro in October before you book your next holiday to Brazil in 2025/2026.

  • 26°C maximum daytime temperature in October in Rio de Janeiro26
    26°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in October in Rio de Janeiro18
    18 days with some rainfall
  • 18°C minimum night-time temperature in October in Rio de Janeiro18
    18°C min night temperature
  • 13 hours of daylight per day in October in Rio de Janeiro13
    13 hours of daylight per day
  • Low heat & humidity in October in Rio de JaneiroL
    Low heat & humidity
  • 129 mm monthly rainfall in October in Rio de Janeiro129
    129 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in October in Rio de Janeiro11
    11 (Extreme) UV index
  • 22°C sea temperature in October in Rio de Janeiro22
    22°C sea temperature

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The October 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 October?

Daytime temperatures usually reach 26°C in Rio de Janeiro in October with low heat and humidity, falling to 18°C at night.

How sunny is it in Rio de Janeiro in October?

There are normally 5 hours of bright sunshine each day in Rio de Janeiro in October - that's 39% of daylight hours.

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

The average sea temperature around Rio de Janeiro in October is 22°C.

Does it rain in Rio de Janeiro in October?

There are usually 18 days with some rain in Rio de Janeiro in October and the average monthly rainfall is 129mm.

Rio de Janeiro October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:33 17:52
Thursday, 16th October 2025 05:19 17:58
Friday, 31st October 2025 05:08 18:05

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