Toronto weather in October 2025

Expect 57°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Toronto in October. Check more long-term weather averages for Toronto in October before you book your next holiday to Ontario in 2025/2026.

  • 57°F maximum daytime temperature in October in Toronto57
    57°F max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in October in Toronto11
    11 days with some rainfall
  • 43°F minimum night-time temperature in October in Toronto43
    43°F min night temperature
  • 11 hours of daylight per day in October in Toronto11
    11 hours of daylight per day
  • No heat & humidity in October in Toronto0
    No heat & humidity
  • 2.5 inches monthly rainfall in October in Toronto2.5
    2.5 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Toronto3
    3 (Moderate) UV index
  • 57°F sea temperature in October in Toronto57
    57°F sea temperature

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The October weather guide for Ontario (Toronto) 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)  |  Imperial (°F)

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More about Canada

How warm is it in Toronto in October?

Daytime temperatures usually reach 57°F in Toronto in October, falling to 43°F at night.

How sunny is it in Toronto in October?

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

How warm is the sea around Toronto in October?

The average sea temperature around Toronto in October is 57°F.

Does it rain in Toronto in October?

There are usually 11 days with some rain in Toronto in October and the average monthly rainfall is 2.5 inches.

Toronto October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:15 17:58
Thursday, 16th October 2025 06:33 17:32
Friday, 31st October 2025 06:53 17:09

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