Weather in January 2025

Thunder Bay weather in January 2025

°C °F

The average weather in Thunder Bay in January

The weather in Thunder Bay in January is very cold with temperatures between -16°C and -10°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Thunder Bay during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Let it snow! You can expect Thunder Bay to be covered in white during the month of January. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.

Our weather forecast can give you a great sense of what weather to expect in Thunder Bay in January 2025.

If you’re planning to visit Thunder Bay in the near future, we highly recommend that you review the 14 day weather forecast for Thunder Bay before you arrive.

Temperatures
-10° / -16°
Rainy Days
5
Snowy Days
23
Dry Days
4
Rainfall
51
mm
Sun Hours
5.6
Hrs

Explore the weather in Thunder Bay in other months

Thunder Bay annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -10° / -16° 5 4 23 51 mm
Awful
February -9° / -16° 4 5 20 51 mm
Awful
March -2° / -8° 9 5 19 75 mm
Awful
April 4° / -2° 7 12 12 100 mm
Awful
May 12° / 4° 7 23 2 96 mm
Awful
June 17° / 9° 6 24 0 98 mm
Good
July 21° / 13° 5 26 0 90 mm
Good
August 21° / 13° 4 27 0 87 mm
Good
September 16° / 9° 5 25 0 84 mm
Good
October 8° / 3° 6 20 5 74 mm
Bad
November 1° / -4° 6 10 14 78 mm
Awful
December -6° / -11° 5 6 21 69 mm
Awful

Weather in Thunder Bay in January - FAQ

What is the average temperature in Thunder Bay in January?
The average temperature in Thunder Bay in January is -16/-10° C.
What is the chance of rain in Thunder Bay in January?
On average, there are 5 rainy days in Thunder Bay during January.
Weather wise, is January a good time to visit Thunder Bay?
The weather in Thunder Bay in January is awful.
Can it snow in Thunder Bay in January?
On average, there are 23 snowy days in Thunder Bay in January.
More about the weather in Thunder Bay