Thunder Bay
December
Weather in Thunder Bay for December 2024
Your guide to Thunder Bay weather in December - trends and predictions
In general, the average temperature in Thunder Bay at the beginning of December is 0.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 1.3 °C by the end of December.
With an average of 4 rainy days, Thunder Bay experiences minimal rainfall in December, ensuring that most days remain pleasantly dry.
Thunder Bay experiences moderate snowfall in December, with an average of 9 snowy days.
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18
Dry days
4
Rainy days
9
Snow days
1°/-4°
Temperatures
18 km/h
Avg max wind
78 %
Avg humidity
Thunder Bay in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  1° | ||||||
| 2  -1° | 3  1° | 4 0° | 5  0° | 6 1° | 7 2° | 8  3° |
| 9 2° | 10 -1° | 11 0° | 12 -2° | 13 -3° | 14 7° | 15  6° |
| 16  3° | 17 2° | 18  -4° | 19 0° | 20 -3° | 21 1° | 22  1° |
| 23 3° | 24 8° | 25  6° | 26 1° | 27 1° | 28 2° | 29 1° |
| 30 0° | 31 -2° |
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Access Thunder Bay weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during December in Thunder Bay
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Partly cloudy | 1° /-7° | 0 mm | 0 cm | |
| 2 Dec. | Overcast | -1° /-9° | 0 mm | 0 cm | |
| 3 Dec. | Light snow showers | 1° /-3° | 0.2 mm | 0.2 cm | |
| 4 Dec. | Overcast | 0° /-3° | 0 mm | 0 cm | |
| 5 Dec. | Light snow | 0° /-3° | 0.3 mm | 0.2 cm | |
| 6 Dec. | Light snow | 1° /-5° | 1.8 mm | 0 cm | |
| 7 Dec. | Overcast | 2° /-4° | 0 mm | 0 cm | |
| 8 Dec. | Fog | 3° /0° | 0.1 mm | 0 cm | |
| 9 Dec. | Light snow | 2° /-3° | 0.1 mm | 0.1 cm | |
| 10 Dec. | Partly cloudy | -1° /-7° | 0 mm | 0 cm | |
| 11 Dec. | Overcast | 0° /-10° | 0 mm | 0 cm | |
| 12 Dec. | Light snow | -2° /-10° | 0.1 mm | 0 cm | |
| 13 Dec. | Partly cloudy | -3° /-12° | 0 mm | 0 cm | |
| 14 Dec. | Overcast | 7° /-4° | 0 mm | 0 cm | |
| 15 Dec. | Light rain | 6° /0° | 4.4 mm | 0 cm | |
| 16 Dec. | Moderate snow | 3° /-1° | 1.9 mm | 0.1 cm | |
| 17 Dec. | Light snow | 2° /-3° | 0.4 mm | 0.3 cm | |
| 18 Dec. | Cloudy | -4° /-11° | 0 mm | 0 cm | |
| 19 Dec. | Overcast | 0° /-9° | 0 mm | 0 cm | |
| 20 Dec. | Overcast | -3° /-7° | 0 mm | 0 cm | |
| 21 Dec. | Light snow | 1° /-4° | 0.2 mm | 0.1 cm | |
| 22 Dec. | Light freezing rain | 1° /0° | 0.1 mm | 0 cm | |
| 23 Dec. | Fog | 3° /0° | 0.3 mm | 0 cm | |
| 24 Dec. | Fog | 8° /2° | 3.5 mm | 0 cm | |
| 25 Dec. | Light sleet | 6° /0° | 10.3 mm | 0 cm | |
| 26 Dec. | Light freezing rain | 1° /0° | 6.7 mm | 0 cm | |
| 27 Dec. | Light freezing rain | 1° /0° | 0.2 mm | 0 cm | |
| 28 Dec. | Cloudy | 2° /0° | 0 mm | 0 cm | |
| 29 Dec. | Partly cloudy | 1° /-1° | 0 mm | 0 cm | |
| 30 Dec. | Cloudy | 0° /-3° | 0 mm | 0 cm | |
| 31 Dec. | Moderate snow | -2° /-7° | 0.3 mm | 0.3 cm | |
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Important Notice
Our weather forecast for Thunder Bay in December 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 December - FAQ
What are the expected maximum and minimum temperatures in Thunder Bay during December?
Brace for cold days with temperatures not exceeding 1° 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 December?
In December, Thunder Bay can expect light to moderate rainfall, totaling 30.9 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
Is snowfall common in Thunder Bay during December?
Thunder Bay experiences an average snowfall of 1.3 cm during December, occurring over 9 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Thunder Bay during December?
The average wind speed in Thunder Bay during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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