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Weather in Sarnia for March 2025

Your guide to Sarnia weather in March - trends and predictions
  • In general, the average temperature in Sarnia at the beginning of March is 5.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 7 °C by the end of March.

  • Sarnia sees moderate rainfall in March, averaging 6 rainy days.

  • Snowfall in Sarnia during March is quite rare, with fewer than 2 snowy days on average.

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Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
1
Snow days
Average temperatures
8°/-2°
Temperatures
Average wind speed
28 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Sarnia in March average weather

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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. Light drizzle
Light drizzle
6° /-1° 0.6 mm 0 cm
2 Mar. Light snow
Light snow
5° /1° 0.5 mm 0 cm
3 Mar. Ice pellets
Ice pellets
7° /1° 1.9 mm 0.7 cm
4 Mar. Overcast
Overcast
8° /3° 0.1 mm 0 cm
5 Mar. Light snow
Light snow
8° /2° 3.4 mm 0 cm
6 Mar. Light rain shower
Light rain shower
2° /0° 3.2 mm 2.2 cm
7 Mar. Blizzard
Blizzard
5° /0° 0.7 mm 0.1 cm
8 Mar. Overcast
Overcast
5° /0° 4.1 mm 0 cm
9 Mar. Overcast
Overcast
6° /0° 13.6 mm 0.8 cm
10 Mar. Heavy snow
Heavy snow
1° /-1° 18.2 mm 2.4 cm
11 Mar. Light snow showers
Light snow showers
4° /-3° 0.3 mm 0 cm
12 Mar. Moderate snow
Moderate snow
7° /-1° 0.4 mm 0.4 cm
13 Mar. Moderate or heavy snow showers
Moderate or heavy snow showers
6° /2° 1.2 mm 0.5 cm
14 Mar. Blowing snow
Blowing snow
6° /1° 4.2 mm 0 cm
15 Mar. Partly cloudy
Partly cloudy
6° /-2° 0.1 mm 0 cm
16 Mar. Patchy rain possible
Patchy rain possible
8° /0° 3.1 mm 0 cm
17 Mar. Light rain
Light rain
6° /0° 6.9 mm 0.2 cm
18 Mar. Light snow
Light snow
0° /-3° 0.3 mm 0.2 cm
19 Mar. Light snow showers
Light snow showers
5° /-4° 0.1 mm 0.1 cm
20 Mar. Overcast
Overcast
4° /-3° 0 mm 0 cm
21 Mar. Overcast
Overcast
5° /-3° 0.4 mm 0.3 cm
22 Mar. Light drizzle
Light drizzle
4° /-1° 4.2 mm 1.1 cm
23 Mar. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
6° /-2° 10.9 mm 0.2 cm
24 Mar. Overcast
Overcast
3° /-3° 0 mm 0 cm
25 Mar. Moderate or heavy freezing rain
Moderate or heavy freezing rain
10° /-1° 13.5 mm 0 cm
26 Mar. Overcast
Overcast
9° /2° 3.7 mm 0 cm
27 Mar. Heavy snow
Heavy snow
5° /0° 9.9 mm 5.3 cm
28 Mar. Overcast
Overcast
6° /-1° 0 mm 0 cm
29 Mar. Heavy snow
Heavy snow
6° /-1° 3.2 mm 0.9 cm
30 Mar. Partly cloudy
Partly cloudy
6° /-1° 3.7 mm 0 cm
31 Mar. Moderate rain
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?
Prepare for cooler days with highs just around 8° and colder nights, dipping below -2°.
How much rainfall should be expected in Sarnia during March?
Significant rainfall exceeding 243 mm is expected in Sarnia during March, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Sarnia during March?
Sarnia experiences an average snowfall of 30.6 cm during March, occurring over 1 days, which may interest winter sports enthusiasts.
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.

March rainfall patterns in Sarnia

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March snowfall in Sarnia

Track daily snowfall levels and discover Sarnia’s snowy potential this March ❄️

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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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