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Weather in Sarnia for March 2026

Your guide to Sarnia weather in March - trends and predictions

    Snow Forecast ❄️

  • The climate of Sarnia in March is quite snowy, averaging 14 snowy days.

  • Temperatures

  • In general, the average temperature in Sarnia at the beginning of March is 4.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7.9 °C by the end of March.

  • More

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Average dry days
9
Dry days
Average rainy days
8
Rainy days
Average snowy days
14
Snow days
Average temperatures
5°/-1°
Temperatures
Average wind speed
28 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Sarnia Weather March

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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
Overcast
4° /-3° 0.4 mm 0 cm
2 Mar. Light snow
Light snow
2° /-3° 0.3 mm 0 cm
3 Mar. Partly cloudy
Partly cloudy
6° /-2° 1.2 mm 0.5 cm
4 Mar. Overcast
Overcast
6° /2° 18.3 mm 1.4 cm
5 Mar. Light snow
Light snow
8° /2° 19.9 mm 0 cm
6 Mar. Light rain shower
Light rain shower
3° /-1° 5 mm 2.5 cm
7 Mar. Partly cloudy
Partly cloudy
4° /-1° 0.5 mm 0.1 cm
8 Mar. Overcast
Overcast
4° /-1° 2.8 mm 0 cm
9 Mar. Overcast
Overcast
6° /0° 9.1 mm 0.5 cm
10 Mar. Heavy snow
Heavy snow
4° /-1° 12.2 mm 1.6 cm
11 Mar. Light snow showers
Light snow showers
5° /-2° 0.2 mm 0 cm
12 Mar. Overcast
Overcast
7° /-1° 0.3 mm 0.3 cm
13 Mar. Moderate or heavy snow showers
Moderate or heavy snow showers
6° /1° 0.8 mm 0.3 cm
14 Mar. Blowing snow
Blowing snow
8° /1° 2.8 mm 0 cm
15 Mar. Partly cloudy
Partly cloudy
9° /1° 4 mm 0 cm
16 Mar. Patchy rain possible
Patchy rain possible
9° /0° 38 mm 2.3 cm
17 Mar. Light rain
Light rain
6° /-1° 4.6 mm 0.1 cm
18 Mar. Light snow
Light snow
4° /-2° 0.2 mm 0.1 cm
19 Mar. Light snow showers
Light snow showers
8° /-1° 0 mm 0 cm
20 Mar. Overcast
Overcast
7° /-2° 0 mm 0 cm
21 Mar. Overcast
Overcast
6° /-3° 0.3 mm 0.2 cm
22 Mar. Light drizzle
Light drizzle
5° /-2° 2.8 mm 0.7 cm
23 Mar. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
5° /-3° 11 mm 2.8 cm
24 Mar. Overcast
Overcast
3° /-2° 1.3 mm 0 cm
25 Mar. Moderate or heavy freezing rain
Moderate or heavy freezing rain
8° /-1° 9 mm 0 cm
26 Mar. Overcast
Overcast
7° /0° 2.4 mm 0 cm
27 Mar. Heavy snow
Heavy snow
7° /0° 6.6 mm 3.5 cm
28 Mar. Overcast
Overcast
6° /-1° 0 mm 0 cm
29 Mar. Heavy snow
Heavy snow
8° /1° 2.2 mm 0.6 cm
30 Mar. Moderate rain
Moderate rain
10° /2° 9 mm 0 cm
31 Mar. Moderate rain
Moderate rain
9° /0° 6 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 155.4 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 2026?
Sarnia experiences an average snowfall of 16.7717 cm during March, occurring over 14 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 2026

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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Location coordinates Where is Sarnia?

Get accurate weather forecasts for Sarnia, located at latitude 42.979 and longitude -82.404. Stay updated with localized weather information tailored for Sarnia.

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