Flights to Thunder Bay, ON, Canada

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Weather in Thunder Bay

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-8°C-15°C
February-7°C-15°C
March-1°C-8°C
April4°C-1°C
May12°C4°C
June17°C9°C
July21°C13°C
August21°C13°C
September17°C10°C
October9°C3°C
November2°C-3°C
December-4°C-10°C
Hottest Month
21°C
July
Coldest month
-15°C
January
Sunny days
248
days per year
Snow days
31
days per year

14 day forecast

Sunday
12 Oct
13°C7°C
19 Oct
87%
8°C6°C
Monday
13 Oct
86%
17°C8°C
20 Oct
9°C6°C
Tuesday
14 Oct
11°C2°C
21 Oct
9°C7°C
Wednesday
15 Oct
12°C0°C
22 Oct
87%
11°C8°C
Thursday
16 Oct
10°C3°C
23 Oct
88%
10°C8°C
Friday
17 Oct
88%
8°C7°C
24 Oct
11°C8°C
Saturday
18 Oct
83%
10°C9°C
25 Oct
10°C6°C

Cheapest month to fly to Thunder Bay

Explore price trends for trips to Thunder Bay

Annual Avg. Price167 CAD
October 202596 CAD
November 202596 CAD
December 202596 CAD
January 2026107 CAD
February 2026107 CAD
March 2026218 CAD
April 2026140 CAD
May 2026140 CAD
June 2026140 CAD
July 2026140 CAD
August 2026186 CAD
September 2026542 CAD
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