Toronto weather in October 2025

Expect 14°C 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.

  • 14°C maximum daytime temperature in October in Toronto14
    14°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in October in Toronto11
    11 days with some rainfall
  • 6°C minimum night-time temperature in October in Toronto6
    6°C 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
  • 63 mm monthly rainfall in October in Toronto63
    63 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Toronto3
    3 (Moderate) UV index
  • 14°C sea temperature in October in Toronto14
    14°C 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 / mm)  |  Imperial (°F / inches)

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More about Ontario

How warm is it in Toronto in October?

Daytime temperatures usually reach 14°C in Toronto in October, falling to 6°C 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 14°C.

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 63mm.

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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