Thunder Bay Weather in October

Thunder Bay in October sees low daytime temperatures of 11°C (52°F) and nighttime lows of 4°C (39°F). Rainfall is fairly high this month at around 83 mm (3.3 in), so pack a rain jacket to stay dry.

Rainfall in Thunder Bay in October

You can typically expect 11 days of rain this month, averaging around 83 mm (3.3 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Thunder Bay in October

In October, Thunder Bay sees low temperatures, with highs of 11°C (52°F). Nights drop to around 4°C (39°F). Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Canada, check out our Thunder Bay's climate page.

Thunder Bay Temperature in October

Min Temperature 4°C (39°F)  

Max Temperature 11°C (52°F)  

Chance of Rain 36%  

Precipitation 83 mm (3.3 in)  

Rainy days 11 days  

What to Wear in Thunder Bay in October

Pack for changing conditions in Thunder Bay in October. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Thunder Bay in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

6/10

Walking

6/10

Barbeque

2/10

Camping

4/10

Outdoor sports

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Thunder Bay's climate page.

More climate data for Thunder Bay

Temperature Rainfall

See the full Thunder Bay climate overview or explore weather in Canada.