Thunder Bay weather in July 2020

  • 24°C maximum daytime temperature in July in Thunder Bay24
    24°C max day temperature
  • 10 hours of sunshine per day
  • 12 days with some rainfall in July in Thunder Bay12
    12 days with some rainfall
  • 11°C minimum night-time temperature in July in Thunder Bay11
    11°C min night temperature
  • 16 hours of daylight per day in July in Thunder Bay16
    16 hours of daylight per day
  • No heat & humidity in July in Thunder Bay0
    No heat & humidity
  • 82 mm monthly rainfall in July in Thunder Bay82
    82 mm of monthly rainfall
  • UV (maximum) index 7 (High) in July in Thunder Bay7
    7 (High) UV index
  • 7°C sea temperature in July in Thunder Bay7
    7°C sea temperature
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The July 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 hot is it in Thunder Bay in July?

Daytime temperatures usually reach 24°C in Thunder Bay in July, falling to 11°C at night.

How sunny is it in Thunder Bay in July?

There are normally 10 hours of bright sunshine each day in Thunder Bay in July - that's 61% of daylight hours.

Is the sea cold around Thunder Bay in July?

The average sea temperature around Thunder Bay in July is 7°C.

Does it rain in Thunder Bay in July?

There are usually 12 days with some rain in Thunder Bay in July and the average monthly rainfall is 82mm.

Thunder Bay sunrise & sunset times for July 2020

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st July 2020 06:00 22:02
Thursday, 16th July 2020 06:13 21:53
Friday, 31st July 2020 06:31 21:35
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where's hot in Ontario in July?

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

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