Thunder Bay
March
Weather in Thunder Bay for March 2025
Your guide to Thunder Bay weather in March - trends and predictions
In general, the average temperature in Thunder Bay at the beginning of March is -0.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -0.7 °C by the end of March.
Precipitation in Thunder Bay during March is a rare event, with an average of fewer than 2 rainy days.
Thunder Bay experiences moderate snowfall in March, with an average of 10 snowy days.
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21
Dry days
0
Rainy days
10
Snow days
2°/-11°
Temperatures
18 km/h
Avg max wind
79 %
Avg humidity
Thunder Bay in March average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -3° | 2  -5° | |||||
| 3  2° | 4  2° | 5 1° | 6 1° | 7 1° | 8  0° | 9  -1° |
| 10 -1° | 11 1° | 12 3° | 13  2° | 14 0° | 15 4° | 16  2° |
| 17 -5° | 18  -3° | 19 1° | 20 -4° | 21 -4° | 22 -1° | 23 -3° |
| 24 -1° | 25 -1° | 26 -1° | 27 -2° | 28 -2° | 29 0° | 30 0° |
| 31 1° |
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Temperatures trend during March in Thunder Bay
See the weather trend as well as the moving average line
March weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Mar. | Mist | -3° /-12° | 0.1 mm | 0.1 cm | |
| 2 Mar. | Freezing fog | -5° /-12° | 0.3 mm | 0 cm | |
| 3 Mar. | Light snow showers | 2° /-9° | 1.2 mm | 0 cm | |
| 4 Mar. | Moderate or heavy snow showers | 2° /-2° | 0.2 mm | 0.1 cm | |
| 5 Mar. | Freezing fog | 1° /-8° | 0 mm | 0 cm | |
| 6 Mar. | Light snow showers | 1° /-7° | 0.1 mm | 0 cm | |
| 7 Mar. | Freezing fog | 1° /-4° | 0.3 mm | 0.2 cm | |
| 8 Mar. | Overcast | 0° /-5° | 0 mm | 0 cm | |
| 9 Mar. | Light snow | -1° /-8° | 0.1 mm | 0.1 cm | |
| 10 Mar. | Overcast | -1° /-8° | 0 mm | 0 cm | |
| 11 Mar. | Mist | 1° /-8° | 0 mm | 0 cm | |
| 12 Mar. | Moderate or heavy snow showers | 3° /-5° | 6.1 mm | 4.4 cm | |
| 13 Mar. | Cloudy | 2° /-7° | 0.1 mm | 0.1 cm | |
| 14 Mar. | Freezing fog | 0° /-10° | 0 mm | 0 cm | |
| 15 Mar. | Mist | 4° /-4° | 0.1 mm | 0 cm | |
| 16 Mar. | Heavy snow | 2° /-5° | 9.6 mm | 7.2 cm | |
| 17 Mar. | Heavy snow | -5° /-11° | 12 mm | 2.8 cm | |
| 18 Mar. | Blizzard | -3° /-13° | 0.7 mm | 0.5 cm | |
| 19 Mar. | Cloudy | 1° /-9° | 0.1 mm | 0 cm | |
| 20 Mar. | Moderate or heavy snow showers | -4° /-14° | 0.3 mm | 0.3 cm | |
| 21 Mar. | Mist | -4° /-16° | 0.3 mm | 0.3 cm | |
| 22 Mar. | Heavy snow | -1° /-7° | 10.1 mm | 8.5 cm | |
| 23 Mar. | Overcast | -3° /-14° | 0.1 mm | 0 cm | |
| 24 Mar. | Light snow | -1° /-11° | 1.1 mm | 0.9 cm | |
| 25 Mar. | Light snow showers | -1° /-7° | 10.4 mm | 5.3 cm | |
| 26 Mar. | Light snow showers | -1° /-6° | 8 mm | 5.8 cm | |
| 27 Mar. | Moderate or heavy snow showers | -2° /-9° | 3.1 mm | 2.6 cm | |
| 28 Mar. | Moderate or heavy snow showers | -2° /-9° | 1 mm | 0.8 cm | |
| 29 Mar. | Light snow | 0° /-11° | 0 mm | 0 cm | |
| 30 Mar. | Overcast | 0° /-7° | 2.9 mm | 2.4 cm | |
| 31 Mar. | Light snow showers | 1° /-3° | 5.8 mm | 4.8 cm | |
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Important Notice
Our weather forecast for Thunder Bay in March 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 March - FAQ
What are the expected maximum and minimum temperatures in Thunder Bay during March?
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 March?
Significant rainfall exceeding 147.6 mm is expected in Thunder Bay during March, occurring over more than 0 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Thunder Bay during March?
Thunder Bay experiences an average snowfall of 94.5 cm during March, occurring over 10 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Thunder Bay during March?
The average wind speed in Thunder Bay during March is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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