Thunder Bay weather in April 2020

  • 8°C maximum daytime temperature in April in Thunder Bay8
    8°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in April in Thunder Bay9
    9 days with some rainfall
  • -3°C minimum night-time temperature in April in Thunder Bay-3
    -3°C min night temperature
  • 14 hours of daylight per day in April in Thunder Bay14
    14 hours of daylight per day
  • No heat & humidity in April in Thunder Bay0
    No heat & humidity
  • 45 mm monthly rainfall in April in Thunder Bay45
    45 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Thunder Bay4
    4 (Moderate) UV index
  • 2°C sea temperature in April in Thunder Bay2
    2°C sea temperature
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The April weather guide for Thunder Bay, Ontario 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.

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How warm is it in Thunder Bay in April?

Daytime temperatures usually reach 8°C in Thunder Bay in April, falling to -3°C at night.

How sunny is it in Thunder Bay in April?

There are normally 7 hours of bright sunshine each day in Thunder Bay in April - that's 54% of daylight hours.

Is the sea cold around Thunder Bay in April?

The average sea temperature around Thunder Bay in April is 2°C.

Does it rain in Thunder Bay in April?

There are usually 9 days with some rain in Thunder Bay in April and the average monthly rainfall is 45mm.

Thunder Bay sunrise & sunset times for April 2020

Browse the sunrise & sunset times for Thunder Bay in April 2020. Select a month to view Thunder Bay sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2020 07:34 20:28
Wednesday, 15th April 2020 07:06 20:49
Thursday, 30th April 2020 06:38 21:11
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where's warm in Ontario in April?

Below are average maximum temperatures at popular destinations in Ontario in April. Select a destination to see more weather parameters.

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