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 12°C in Sudbury in October, falling to 3°C at night.

How sunny is it in Sudbury in October?

There are normally 4 hours of bright sunshine each day in Sudbury in October - that's 35% of daylight hours.

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 69mm.

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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