Sarnia
March
Weather in Sarnia for March 2025
Your guide to Sarnia weather in March - trends and predictions
Special Weather Statement - See hour by hour.
The climate of Sarnia in March is quite snowy, averaging 13 snowy days.
According to Sarnia snow forecast for March 2025, 2 snowy days are expected in the next 2 weeks. The closest date with snow is Monday, 17 March.The forecast for the next days in Sarnia predicts temperatures to be around 6 °C, close to the historical average.
In general, the average temperature in Sarnia at the beginning of March is 5.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 7 °C by the end of March.
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Temperatures
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10
Dry days
8
Rainy days
13
Snow days
5°/0°
Temperatures
28 km/h
Avg max wind
78 %
Avg humidity
Sarnia Weather March
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  4° | ||||||
| 2  2° | 3  6° | 4 6° | 5 8° | 6   5° | 7 6° | 8  1° |
| 9 5° | 10 8° | 11 16° | 12  2° | 13  3° | 14 6° | 15  15° |
| 16 9° | 17  1° | 18  2° | 19 6° | 20 4° | 21 5° | 22  4° |
| 23  6° | 24 3° | 25  10° | 26 9° | 27  5° | 28 6° | 29 6° |
| 30 6° | 31 7° |
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Temperatures trend during March in Sarnia
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. | Overcast | 4° /-3° | 0.4 mm | 0 cm | |
| 2 Mar. | Light snow | 2° /-3° | 0.3 mm | 0 cm | |
| 3 Mar. | Partly cloudy | 6° /-2° | 1.2 mm | 0.5 cm | |
| 4 Mar. | Overcast | 6° /2° | 18.3 mm | 1.4 cm | |
| 5 Mar. | Light snow | 8° /2° | 19.9 mm | 0 cm | |
| 6 Mar. | Moderate snow | 5° /-3° | 1.3 mm | 0 cm | |
| 7 Mar. | Partly cloudy | 6° /-3° | 0 mm | 0 cm | |
| 8 Mar. | Sunny | 1° /-5° | 0 mm | 0 cm | |
| 9 Mar. | Partly cloudy | 5° /-3° | 0 mm | 0 cm | |
| 10 Mar. | Sunny | 8° /1° | 0 mm | 0 cm | |
| 11 Mar. | Sunny | 16° /1° | 0 mm | 0 cm | |
| 12 Mar. | Light freezing rain | 2° /0° | 0.4 mm | 0 cm | |
| 13 Mar. | Patchy rain possible | 3° /0° | 2.3 mm | 0 cm | |
| 14 Mar. | Overcast | 6° /-1° | 0 mm | 0 cm | |
| 15 Mar. | Moderate rain | 15° /4° | 13.5 mm | 0 cm | |
| 16 Mar. | Patchy rain possible | 9° /4° | 0.5 mm | 0 cm | |
| 17 Mar. | Blowing snow | 1° /-4° | 0.8 mm | 0.5 cm | |
| 18 Mar. | Cloudy | 2° /-5° | 0.1 mm | 0.1 cm | |
| 19 Mar. | Overcast | 6° /-2° | 0.1 mm | 0 cm | |
| 20 Mar. | Overcast | 4° /-3° | 0 mm | 0 cm | |
| 21 Mar. | Overcast | 5° /-3° | 0.4 mm | 0.3 cm | |
| 22 Mar. | Light drizzle | 4° /-1° | 4.2 mm | 1.1 cm | |
| 23 Mar. | Moderate or heavy rain with thunder | 6° /-2° | 10.9 mm | 0.2 cm | |
| 24 Mar. | Overcast | 3° /-3° | 0 mm | 0 cm | |
| 25 Mar. | Moderate or heavy freezing rain | 10° /-1° | 13.5 mm | 0 cm | |
| 26 Mar. | Overcast | 9° /2° | 3.7 mm | 0 cm | |
| 27 Mar. | Heavy snow | 5° /0° | 9.9 mm | 5.3 cm | |
| 28 Mar. | Overcast | 6° /-1° | 0 mm | 0 cm | |
| 29 Mar. | Heavy snow | 6° /-1° | 3.2 mm | 0.9 cm | |
| 30 Mar. | Partly cloudy | 6° /-1° | 3.7 mm | 0 cm | |
| 31 Mar. | Moderate rain | 7° /0° | 9 mm | 0 cm | |
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Important Notice
Our weather forecast for Sarnia 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 Sarnia forecast closer to your planned date for the most up-to-date weather information.
Sarnia in March - FAQ
What are the expected maximum and minimum temperatures in Sarnia during March?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Sarnia during March?
Significant rainfall exceeding 121.5 mm is expected in Sarnia during March, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Sarnia in March 2025?
Sarnia experiences an average snowfall of 15.32 cm during March, occurring over 13 days.
What are the typical wind conditions in Sarnia during March?
The average wind speed in Sarnia during March is 28 km/h, suggesting breezy to windy conditions, depending on your activities.
Sarnia snow forecast March 2025
Track daily snowfall levels and discover Sarnia’s snowy potential this March ❄️
March rainfall patterns in Sarnia
Explore the daily rainfall trends and prepare for Sarnias March weather 💧
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