Sudbury weather in October 2025

Expect daytime maximum temperatures of 12°C in Sudbury, Ontario in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 69 mm of rainfall in the month.

  • 12°C maximum daytime temperature in October in Sudbury12
    12°C max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in October in Sudbury11
    11 days with some rainfall
  • 3°C minimum night-time temperature in October in Sudbury3
    3°C min night temperature
  • 11 hours of daylight per day in October in Sudbury11
    11 hours of daylight per day
  • No heat & humidity in October in Sudbury0
    No heat & humidity
  • 69 mm monthly rainfall in October in Sudbury69
    69 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Sudbury3
    3 (Moderate) UV index

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The October weather guide for Ontario (Sudbury) 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 Ontario

How warm is it in Sudbury in October?

Daytime temperatures usually reach 14°C in Sudbury in October, falling to 6°C at night.

How sunny is it in Sudbury in October?

There are normally 5 hours of bright sunshine each day in Sudbury in October - that's 42% of daylight hours.

How warm is the sea around Sudbury in October?

The average sea temperature around Sudbury in October is 14°C.

Does it rain in Sudbury in October?

There are usually 11 days with some rain in Sudbury in October and the average monthly rainfall is 63mm.

Sudbury October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:23 18:03
Thursday, 16th October 2025 06:43 17:35
Friday, 31st October 2025 07:05 17:10

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