Thunder Bay weather in October 2019

  • 10°C maximum daytime temperature in October in Thunder Bay10
    10°C max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in October in Thunder Bay11
    11 days with some rainfall
  • 1°C minimum night-time temperature in October in Thunder Bay1
    1°C min night temperature
  • 11 hours of daylight per day in October in Thunder Bay11
    11 hours of daylight per day
  • No heat & humidity in October in Thunder Bay0
    No heat & humidity
  • 60 mm monthly rainfall in October in Thunder Bay60
    60 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Thunder Bay2
    2 (Low) UV index
  • 8°C sea temperature in October in Thunder Bay8
    8°C sea temperature

Going to Thunder Bay? Find the best month to visit Thunder Bay based on the weather.

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Expect 10°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Thunder Bay in October. Check more long-term weather averages for Thunder Bay in October before you book your next holiday to Ontario in 2019/2020.

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More about Thunder Bay

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The October 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.

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

Guide to Thunder Bay weather in October

The average maximum daytime temperature in Thunder Bay in October is a cool 10°C (50°F). The average night-time temperature is usually a cold 1°C (34°F). There are usually 4 hours of bright sunshine each day, which represents 36% of the 11 hours of daylight.

Expect 60mm (2.4 inches) of rainfall across the whole of October with 11 days with some rain falling. Maximum UV levels will be low (2 UV index) at midday when the skies are clear.

The average sea temperature in and around Thunder Bay in October is 8°C (46°F).

Thunder Bay sunrise & sunset times for October 2019

Browse the sunrise & sunset times for Thunder Bay in October 2019. Select a month to view Thunder Bay sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st October 2019 07:56 19:36
Wednesday, 2nd October 2019 07:58 19:34
Thursday, 3rd October 2019 07:59 19:32
Friday, 4th October 2019 08:00 19:30
Saturday, 5th October 2019 08:02 19:28
Sunday, 6th October 2019 08:03 19:26
Monday, 7th October 2019 08:05 19:24
Tuesday, 8th October 2019 08:06 19:22
Wednesday, 9th October 2019 08:08 19:20
Thursday, 10th October 2019 08:09 19:18
Friday, 11th October 2019 08:11 19:16
Saturday, 12th October 2019 08:12 19:14
Sunday, 13th October 2019 08:14 19:12
Monday, 14th October 2019 08:15 19:10
Tuesday, 15th October 2019 08:17 19:08
Wednesday, 16th October 2019 08:18 19:06
Thursday, 17th October 2019 08:20 19:04
Friday, 18th October 2019 08:21 19:02
Saturday, 19th October 2019 08:23 19:01
Sunday, 20th October 2019 08:24 18:59
Monday, 21st October 2019 08:26 18:57
Tuesday, 22nd October 2019 08:27 18:55
Wednesday, 23rd October 2019 08:29 18:53
Thursday, 24th October 2019 08:30 18:51
Friday, 25th October 2019 08:32 18:50
Saturday, 26th October 2019 08:33 18:48
Sunday, 27th October 2019 08:35 18:46
Monday, 28th October 2019 08:36 18:44
Tuesday, 29th October 2019 08:38 18:43
Wednesday, 30th October 2019 08:40 18:41
Thursday, 31st October 2019 08:41 18:39
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Popular Ontario destinations

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

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