Rennes weather in October 2025

Expect daytime maximum temperatures of 17°C in Rennes, France in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 64 mm of rainfall in the month.

  • 17°C maximum daytime temperature in October in Rennes17
    17°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in October in Rennes15
    15 days with some rainfall
  • 9°C minimum night-time temperature in October in Rennes9
    9°C min night temperature
  • 11 hours of daylight per day in October in Rennes11
    11 hours of daylight per day
  • No heat & humidity in October in Rennes0
    No heat & humidity
  • 64 mm monthly rainfall in October in Rennes64
    64 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Rennes3
    3 (Moderate) UV index

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The October weather guide for France (Rennes) 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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How warm is it in Rennes in October?

Daytime temperatures usually reach 17°C in Rennes in October, falling to 9°C at night.

How sunny is it in Rennes in October?

There are normally 4 hours of bright sunshine each day in Rennes in October - that's 40% of daylight hours.

Does it rain in Rennes in October?

There are usually 15 days with some rain in Rennes in October and the average monthly rainfall is 64mm.

Rennes October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 07:06 18:46
Thursday, 16th October 2025 07:28 18:16
Friday, 31st October 2025 07:51 17:49

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