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Weather in St. Catharines for March 2026

Your guide to St. Catharines weather in March - trends and predictions

    Snow Forecast ❄️

  • The climate of St. Catharines in March is quite snowy, averaging 11 snowy days.

  • Temperatures

  • In general, the average temperature in St. Catharines at the beginning of March is 5.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 7.3 °C by the end of March.

  • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
8
Dry days
Average rainy days
12
Rainy days
Average snowy days
11
Snow days
Average temperatures
5°/0°
Temperatures
Average wind speed
32 km/h
Avg max wind
Average humidity
75 %
Avg humidity

St. Catharines Weather March

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Temperatures trend during March in St. Catharines

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 mm 0 cm
2 Mar. Cloudy
Cloudy
2° /-3° 0.1 mm 0 cm
3 Mar. Blizzard
Blizzard
3° /-1° 3.8 mm 0 cm
4 Mar. Heavy snow
Heavy snow
7° /1° 4.9 mm 1 cm
5 Mar. Light snow
Light snow
10° /3° 10.3 mm 0.1 cm
6 Mar. Moderate snow
Moderate snow
6° /0° 4.7 mm 0.5 cm
7 Mar. Blizzard
Blizzard
4° /-1° 1.4 mm 1 cm
8 Mar. Overcast
Overcast
3° /-2° 0.1 mm 0 cm
9 Mar. Overcast
Overcast
5° /0° 3.9 mm 0 cm
10 Mar. Blizzard
Blizzard
4° /-1° 7.1 mm 0 cm
11 Mar. Overcast
Overcast
6° /-1° 1.6 mm 0.1 cm
12 Mar. Moderate snow
Moderate snow
5° /-1° 0.3 mm 0.3 cm
13 Mar. Overcast
Overcast
6° /2° 1.7 mm 1.1 cm
14 Mar. Heavy snow
Heavy snow
7° /1° 7.9 mm 0.2 cm
15 Mar. Partly cloudy
Partly cloudy
8° /1° 5.3 mm 0 cm
16 Mar. Overcast
Overcast
10° /1° 12.9 mm 0 cm
17 Mar. Light rain
Light rain
6° /1° 5.4 mm 0 cm
18 Mar. Light snow
Light snow
6° /-1° 0.2 mm 0 cm
19 Mar. Blizzard
Blizzard
8° /-2° 0.5 mm 0.1 cm
20 Mar. Overcast
Overcast
6° /-1° 3.3 mm 0.2 cm
21 Mar. Overcast
Overcast
5° /-2° 0.1 mm 0 cm
22 Mar. Light drizzle
Light drizzle
6° /-2° 1 mm 0.1 cm
23 Mar. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
5° /-1° 14 mm 0.7 cm
24 Mar. Overcast
Overcast
3° /-2° 4.2 mm 0 cm
25 Mar. Cloudy
Cloudy
8° /-1° 13 mm 0 cm
26 Mar. Cloudy
Cloudy
6° /0° 3.3 mm 0 cm
27 Mar. Light snow
Light snow
6° /0° 4.1 mm 1.5 cm
28 Mar. Overcast
Overcast
6° /0° 1.6 mm 0.7 cm
29 Mar. Blizzard
Blizzard
8° /1° 7.6 mm 0 cm
30 Mar. Light snow showers
Light snow showers
7° /-1° 8.6 mm 0 cm
31 Mar. Overcast
Overcast
10° /0° 3.4 mm 0 cm
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Important Notice
Our weather forecast for St. Catharines 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 St. Catharines forecast closer to your planned date for the most up-to-date weather information.

St. Catharines in March - FAQ

What are the expected maximum and minimum temperatures in St. Catharines 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 St. Catharines during March?
Significant rainfall exceeding 132.7 mm is expected in St. Catharines during March, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in St. Catharines in March 2026?
St. Catharines experiences an average snowfall of 9.30167 cm during March, occurring over 11 days.
What are the typical wind conditions in St. Catharines during March?
The average wind speed in St. Catharines during March is 32 km/h, suggesting breezy to windy conditions, depending on your activities.

St. Catharines snow forecast March 2026

Track daily snowfall levels and discover St. Catharines’s snowy potential this March ❄️

March rainfall patterns in St. Catharines

Explore the daily rainfall trends and prepare for St. Cathariness March weather 💧

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Location coordinates Where is St. Catharines?

Get accurate weather forecasts for St. Catharines, located at latitude 43.171 and longitude -79.243. Stay updated with localized weather information tailored for St. Catharines.

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