Thunder Bay
January
Weather in Thunder Bay for January 2025
Your guide to Thunder Bay weather in January - trends and predictions
In general, the average temperature in Thunder Bay at the beginning of January is -2.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -6.3 °C by the end of January.
Precipitation in Thunder Bay during January is a rare event, with an average of fewer than 2 rainy days.
Thunder Bay experiences moderate snowfall in January, with an average of 10 snowy days.
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20
Dry days
1
Rainy days
10
Snow days
-2°/-16°
Temperatures
17 km/h
Avg max wind
85 %
Avg humidity
Thunder Bay in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  0° | 2  -1° | 3 -4° | 4 -6° | 5 -4° | ||
| 6  0° | 7  -1° | 8  -2° | 9 -1° | 10 -5° | 11  -5° | 12  -6° |
| 13 -11° | 14 -8° | 15 -8° | 16 -8° | 17  -7° | 18  -11° | 19 -10° |
| 20 -10° | 21 -5° | 22 -4° | 23 -5° | 24 -4° | 25 -4° | 26 -5° |
| 27 -3° | 28 -7° | 29 -10° | 30 -10° | 31 -5° |
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Temperatures trend during January in Thunder Bay
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Overcast | 0° /-7° | 0 mm | 0 cm | |
| 2 Jan. | Light snow | -1° /-4° | 0.1 mm | 0 cm | |
| 3 Jan. | Overcast | -4° /-9° | 0 mm | 0 cm | |
| 4 Jan. | Overcast | -6° /-12° | 0 mm | 0 cm | |
| 5 Jan. | Light snow | -4° /-8° | 0.7 mm | 0.6 cm | |
| 6 Jan. | Moderate or heavy snow showers | 0° /-4° | 8.6 mm | 7.3 cm | |
| 7 Jan. | Sunny | -1° /-11° | 0.8 mm | 0.7 cm | |
| 8 Jan. | Moderate snow | -2° /-13° | 2.3 mm | 1.9 cm | |
| 9 Jan. | Moderate or heavy snow showers | -1° /-6° | 5.9 mm | 5 cm | |
| 10 Jan. | Overcast | -5° /-12° | 0 mm | 0 cm | |
| 11 Jan. | Light freezing rain | -5° /-9° | 1.3 mm | 0 cm | |
| 12 Jan. | Cloudy | -6° /-13° | 0 mm | 0 cm | |
| 13 Jan. | Sunny | -11° /-17° | 0 mm | 0 cm | |
| 14 Jan. | Overcast | -8° /-16° | 0 mm | 0 cm | |
| 15 Jan. | Overcast | -8° /-11° | 0 mm | 0 cm | |
| 16 Jan. | Moderate snow | -8° /-10° | 3.6 mm | 2.5 cm | |
| 17 Jan. | Patchy moderate snow | -7° /-14° | 3.3 mm | 1.1 cm | |
| 18 Jan. | Partly cloudy | -11° /-17° | 0 mm | 0 cm | |
| 19 Jan. | Light freezing rain | -10° /-16° | 0.3 mm | 0 cm | |
| 20 Jan. | Overcast | -10° /-17° | 0 mm | 0 cm | |
| 21 Jan. | Overcast | -5° /-15° | 0.1 mm | 0 cm | |
| 22 Jan. | Cloudy | -4° /-10° | 1 mm | 0.8 cm | |
| 23 Jan. | Patchy moderate snow | -5° /-13° | 1.3 mm | 0.6 cm | |
| 24 Jan. | Overcast | -4° /-11° | 0.3 mm | 0.1 cm | |
| 25 Jan. | Light freezing rain | -4° /-8° | 1.1 mm | 0.3 cm | |
| 26 Jan. | Overcast | -5° /-11° | 0 mm | 0 cm | |
| 27 Jan. | Patchy moderate snow | -3° /-11° | 1.6 mm | 0.8 cm | |
| 28 Jan. | Overcast | -7° /-15° | 0 mm | 0 cm | |
| 29 Jan. | Overcast | -10° /-17° | 0 mm | 0 cm | |
| 30 Jan. | Overcast | -10° /-15° | 0 mm | 0 cm | |
| 31 Jan. | Overcast | -5° /-14° | 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.
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 -2° 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 46.4 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
Is snowfall common in Thunder Bay during January?
Thunder Bay experiences an average snowfall of 27.9 cm during January, occurring over 10 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Thunder Bay during January?
The average wind speed in Thunder Bay during January is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Thunder Bay
Explore the daily rainfall trends and prepare for Thunder Bays January weather 💧
January snowfall in Thunder Bay
Track daily snowfall levels and discover Thunder Bay’s snowy potential this January ❄️
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