Ontario weather in April 2025

Expect 11°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Ontario in April. Check more long-term weather averages for Ontario in April before you book your next holiday to Ontario in 2025/2026.

  • 11°C maximum daytime temperature in April in Ontario (Toronto)11
    11°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in April in Ontario (Toronto)11
    11 days with some rainfall
  • 2°C minimum night-time temperature in April in Ontario (Toronto)2
    2°C min night temperature
  • 13 hours of daylight per day in April in Ontario (Toronto)13
    13 hours of daylight per day
  • No heat & humidity in April in Ontario (Toronto)0
    No heat & humidity
  • 67 mm monthly rainfall in April in Ontario (Toronto)67
    67 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Ontario (Toronto)5
    5 (Moderate) UV index
  • 3°C sea temperature in April in Ontario (Toronto)3
    3°C sea temperature

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The April 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.

Top Ontario destinations

Below are average maximum temperatures at popular countries, regions and places in Ontario in April. Select a holiday destination to see more weather parameters.

All Ontario destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Canada

How warm is it in Ontario in April?

Daytime temperatures usually reach 11°C in Toronto, Ontario in April, falling to 2°C at night.

How sunny is it in Ontario in April?

There are normally 6 hours of bright sunshine each day in Toronto, Ontario in April - that's 46% of daylight hours.

Is the sea cold around Ontario in April?

The average sea temperature around Toronto, Ontario in April is 3°C.

Does it rain in Ontario in April?

There are usually 11 days with some rain in Toronto, Ontario in April and the average monthly rainfall is 67mm.

Ontario April sunrise & sunset times

Browse the sunrise and sunset times for Ontario in April 2025. Select a month to view Ontario sunrise and sunset times for the next 12 months. The Ontario sunrise and sunset times shown below are for Toronto.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:59 18:45
Tuesday, 15th April 2025 05:34 19:02
Wednesday, 30th April 2025 05:11 19:19

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