St. Catharines
April
Weather in St. Catharines for April 2026
Your guide to St. Catharines weather in April - trends and predictions
Frost Advisory - See hour by hour.
With an average of 4 snowy days, St. Catharines usually enjoys a light touch of snow in April.
According to St. Catharines snow forecast for April 2026, no snow is expected until the end of the month.Until now, April 2026 in St. Catharines has been nearly identical to the historical average, with a temperature of 11 °C (showing only a slight deviation of 0 °C).
In general, the average temperature in St. Catharines at the beginning of April is 8.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 12.3 °C by the end of April.
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Snow Forecast ❄️
Temperatures
More
7
Dry days
19
Rainy days
4
Snow days
11°/4°
Temperatures
27 km/h
Avg max wind
76 %
Avg humidity
St. Catharines Weather April
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Temperatures trend during April in St. Catharines
See the weather trend as well as the moving average line
April weather in St. Catharines day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Apr. |  Moderate or heavy rain shower | 7° /1° | 5.8 mm | 0 cm | |
| 2 Apr. |  Cloudy | 8° /0° | 7 mm | 0 cm | |
| 3 Apr. |  Light rain shower | 14° /3° | 9.9 mm | 0.1 cm | |
| 4 Apr. | Moderate or heavy rain shower | 7° /2° | 8.9 mm | 1.4 cm | |
| 5 Apr. | Moderate or heavy rain shower | 12° /2° | 14.1 mm | 0.3 cm | |
| 6 Apr. |  Overcast | 8° /2° | 0.5 mm | 0 cm | |
| 7 Apr. |  Partly cloudy | 6° /0° | 0.9 mm | 0.4 cm | |
| 8 Apr. | Cloudy | 7° /-1° | 0 mm | 0 cm | |
| 9 Apr. |  Sunny | 12° /2° | 2.4 mm | 0 cm | |
| 10 Apr. | Sunny | 10° /3° | 10.7 mm | 0 cm | |
| 11 Apr. | Overcast | 11° /4° | 5.4 mm | 0 cm | |
| 12 Apr. | Overcast | 13° /4° | 2.6 mm | 0 cm | |
| 13 Apr. | Sunny | 13° /6° | 7.4 mm | 0 cm | |
| 14 Apr. | Light rain shower | 15° /7° | 7.9 mm | 0 cm | |
| 15 Apr. | Partly cloudy | 12° /6° | 12.7 mm | 0 cm | |
| 16 Apr. | Partly cloudy | 13° /6° | 14.8 mm | 0 cm | |
| 17 Apr. |  Heavy rain at times | 12° /4° | 4.8 mm | 0 cm | |
| 18 Apr. | Patchy rain possible | 13° /4° | 4.5 mm | 0 cm | |
| 19 Apr. | Partly cloudy | 11° /4° | 4.5 mm | 1.2 cm | |
| 20 Apr. | Patchy rain possible | 8° /2° | 0.2 mm | 0 cm | |
| 21 Apr. | Patchy rain possible | 13° /4° | 5 mm | 0 cm | |
| 22 Apr. | Moderate or heavy rain shower | 11° /5° | 4.1 mm | 0 cm | |
| 23 Apr. | Patchy rain possible | 11° /5° | 1.4 mm | 0 cm | |
| 24 Apr. | Heavy rain at times | 12° /4° | 2.1 mm | 0 cm | |
| 25 Apr. | Patchy rain possible | 10° /3° | 9.9 mm | 0 cm | |
| 26 Apr. | Moderate or heavy rain shower | 10° /4° | 2.2 mm | 0 cm | |
| 27 Apr. | Overcast | 14° /4° | 0 mm | 0 cm | |
| 28 Apr. | Moderate or heavy rain shower | 14° /6° | 7.7 mm | 0 cm | |
| 29 Apr. | Moderate or heavy rain shower | 14° /8° | 5.4 mm | 0 cm | |
| 30 Apr. | Partly cloudy | 12° /3° | 0.1 mm | 0 cm | |
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Important Notice
Our weather forecast for St. Catharines in April 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.
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St. Catharines in April - FAQ
What are the expected maximum and minimum temperatures in St. Catharines during April?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 4°.
How much rainfall should be expected in St. Catharines during April?
Significant rainfall exceeding 140.1 mm is expected in St. Catharines during April, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
Will it snow in St. Catharines in April 2026?
St. Catharines experiences an average snowfall of 3.02333 cm during April, occurring over 4 days.
What are the typical wind conditions in St. Catharines during April?
The average wind speed in St. Catharines during April is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
St. Catharines snow forecast April 2026
Track daily snowfall levels and discover St. Catharines’s snowy potential this April ❄️
On average, St. Catharines sees 4 snowy days during April, with approximately 3 cm of total snowfall.
April rainfall patterns in St. Catharines
Explore the daily rainfall trends and prepare for St. Cathariness April weather 💧
Typically, St. Catharines has 19 rainy days in April with a total of 140.1 mm of rainfall.
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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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