Thunder Bay
January
Weather in Thunder Bay for January 2027
Your guide to Thunder Bay weather in January - trends and predictions
Thunder Bay typically experiences moderate snowfall in January, with an average of 7 snowy days.
In general, the average temperature in Thunder Bay at the beginning of January is -5.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -7.2 °C by the end of January.
Is January a good time to visit Thunder Bay? check out the best time to travel to Thunder Bay page.
✨ Is January a good time to visit Thunder Bay? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
More
23
Dry days
1
Rainy days
7
Snow days
-7°/-14°
Temperatures
18 km/h
Avg max wind
79 %
Avg humidity
Thunder Bay Weather January
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Temperatures trend during January in Thunder Bay
See the weather trend as well as the moving average line
January weather in Thunder Bay day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. |  Overcast | -6° /-11° | 0 mm | 0 cm | |
| 2 Jan. |  Light snow | -6° /-10° | 0 mm | 0 cm | |
| 3 Jan. | Light snow | -8° /-13° | 1.3 mm | 1 cm | |
| 4 Jan. | Overcast | -9° /-15° | 0.5 mm | 0.4 cm | |
| 5 Jan. | Light snow | -4° /-11° | 5.1 mm | 3.7 cm | |
| 6 Jan. | Light snow | -3° /-8° | 2.9 mm | 2.4 cm | |
| 7 Jan. |  Sunny | -5° /-11° | 0.3 mm | 0.2 cm | |
| 8 Jan. | Light snow | -6° /-13° | 0.8 mm | 0.6 cm | |
| 9 Jan. | Light snow | -2° /-7° | 2 mm | 1.7 cm | |
| 10 Jan. | Light snow | -3° /-9° | 7 mm | 4.5 cm | |
| 11 Jan. |  Light freezing rain | -6° /-11° | 0.7 mm | 0 cm | |
| 12 Jan. | Light snow | -4° /-9° | 1.4 mm | 1 cm | |
| 13 Jan. | Light snow | -8° /-13° | 5.5 mm | 3.6 cm | |
| 14 Jan. | Overcast | -9° /-16° | 0 mm | 0 cm | |
| 15 Jan. | Overcast | -8° /-14° | 0 mm | 0 cm | |
| 16 Jan. | Light snow | -5° /-10° | 1.8 mm | 1.2 cm | |
| 17 Jan. | Light snow | -6° /-13° | 1.7 mm | 0.6 cm | |
| 18 Jan. |  Partly cloudy | -11° /-20° | 0.1 mm | 0 cm | |
| 19 Jan. | Overcast | -15° /-21° | 0.2 mm | 0 cm | |
| 20 Jan. | Overcast | -14° /-21° | 0 mm | 0 cm | |
| 21 Jan. | Overcast | -10° /-18° | 0 mm | 0 cm | |
| 22 Jan. |  Cloudy | -9° /-15° | 0.5 mm | 0.4 cm | |
| 23 Jan. |  Patchy moderate snow | -11° /-18° | 0.6 mm | 0.3 cm | |
| 24 Jan. | Overcast | -8° /-17° | 0.1 mm | 0 cm | |
| 25 Jan. | Light freezing rain | -7° /-12° | 1.2 mm | 0.6 cm | |
| 26 Jan. | Overcast | -6° /-15° | 0 mm | 0 cm | |
| 27 Jan. | Patchy moderate snow | -5° /-12° | 0.8 mm | 0.4 cm | |
| 28 Jan. | Light snow | -9° /-16° | 3.2 mm | 2.3 cm | |
| 29 Jan. | Overcast | -10° /-17° | 0 mm | 0 cm | |
| 30 Jan. | Overcast | -9° /-15° | 0.3 mm | 0.2 cm | |
| 31 Jan. | Overcast | -6° /-15° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Thunder Bay in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Thunder Bay forecast closer to your planned date for the most up-to-date weather information.
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Thunder Bay in January - FAQ
What are the expected maximum and minimum temperatures in Thunder Bay during January?
Brace for cold days with temperatures not exceeding -7° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Thunder Bay during January?
In January, Thunder Bay can expect light to moderate rainfall, totaling 38 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Thunder Bay in January 2027?
Thunder Bay experiences an average snowfall of 25.2 cm during January, occurring over 7 days.
What are the typical wind conditions in Thunder Bay during January?
The average wind speed in Thunder Bay during January is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Thunder Bay snow forecast January 2027
Track daily snowfall levels and discover Thunder Bay’s snowy potential this January ❄️
On average, Thunder Bay sees 7 snowy days during January, with approximately 25.2 cm of total snowfall.
January rainfall patterns in Thunder Bay
Explore the daily rainfall trends and prepare for Thunder Bays January weather 💧
Typically, Thunder Bay has 1 rainy days in January with a total of 38 mm of rainfall.
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