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Weather in Sarnia for April 2025

Your guide to Sarnia weather in April - trends and predictions

    Official Weather Alert ⚠️

  • Weather Warning - See hour by hour.

    • Snow Forecast ❄️

  • With an average of 2 snowy days, Sarnia usually enjoys a light touch of snow in April.
    According to Sarnia snow forecast for April 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, April 2025 in Sarnia is cooler than usual, with temperatures averaging 7.3 °C, this is -3.3 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Sarnia with the forecast suggesting a temperature of 16.5 °C, lower than the historical average.

  • In general, the average temperature in Sarnia at the beginning of April is 7.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 17.7 °C by the end of April.

    • Rain 🌧️

  • Sarnia in April brings notable rainfall, with an average of 17 rainy days and a total precipitation of 148.7 mm.

    • More

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

Average dry days
11
Dry days
Average rainy days
17
Rainy days
Average snowy days
2
Snow days
Average temperatures
12°/4°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Sarnia Weather April

Move between months or click on a day
March
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
6°
2
Overcast
8°
3
Moderate rain at times
12°
4
Moderate rain at times
7°
5
Moderate or heavy rain shower
9°
6
Partly cloudy
7°
7
Overcast
5°
8
Partly cloudy
9°
9
Sunny
12°
10
Overcast
10°
11
Partly cloudy
12°
12
Partly cloudy
12°
13
Sunny
14°
14
Overcast
16°
15
Overcast
13°
16
Moderate or heavy rain shower
14°
17
Patchy rain possible
10°
18
Light freezing rain
11°
19
Overcast
12°
20
Overcast
11°
21
Moderate or heavy rain shower
13°
22
Weather Alert Sunny
19°
23
Partly cloudy
22°
24
Cloudy
23°
25
Patchy rain possible
18°
26
Overcast
10°
27
Sunny
15°
28
Patchy rain possible
20°
29
Patchy rain possible
21°
30
Patchy rain possible
17°
Select a date

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Access Sarnia weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during April in Sarnia

See the weather trend as well as the moving average line

April weather day by day

Click on a date for more information
March May
Date Weather Temperatures Rain Snow More
1 Apr. Overcast
Overcast
 6° /0° 9.4 mm 0 cm
2 Apr. Overcast
Overcast
 8° /0° 22.3 mm 0 cm
3 Apr. Moderate rain at times
Moderate rain at times
 12° /3° 16.7 mm 0 cm
4 Apr. Moderate rain at times
Moderate rain at times
 7° /2° 5.9 mm 0.5 cm
5 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /3° 10.5 mm 0.3 cm
6 Apr. Partly cloudy
Partly cloudy
 7° /1° 0.1 mm 0 cm
7 Apr. Overcast
Overcast
 5° /-1° 0.2 mm 0 cm
8 Apr. Partly cloudy
Partly cloudy
 9° /0° 0.2 mm 0 cm
9 Apr. Sunny
Sunny
 12° /2° 0.5 mm 0 cm
10 Apr. Overcast
Overcast
 10° /2° 3.4 mm 1.2 cm
11 Apr. Partly cloudy
Partly cloudy
 12° /5° 12.7 mm 0 cm
12 Apr. Partly cloudy
Partly cloudy
 12° /4° 3.4 mm 0 cm
13 Apr. Sunny
Sunny
 14° /4° 0.5 mm 0 cm
14 Apr. Overcast
Overcast
 16° /6° 2.4 mm 0 cm
15 Apr. Overcast
Overcast
 13° /5° 0 mm 0 cm
16 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /4° 4.3 mm 0 cm
17 Apr. Patchy rain possible
Patchy rain possible
 10° /3° 7.6 mm 0 cm
18 Apr. Light freezing rain
Light freezing rain
 11° /5° 0.2 mm 0 cm
19 Apr. Overcast
Overcast
 12° /5° 8.2 mm 0 cm
20 Apr. Overcast
Overcast
 11° /2° 0.6 mm 0 cm
21 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /4° 6.1 mm 0 cm
22 Apr. Sunny
Sunny
 19° /4° 0 mm 0 cm
23 Apr. Partly cloudy
Partly cloudy
 22° /10° 0 mm 0 cm
24 Apr. Cloudy
Cloudy
 23° /10° 0.1 mm 0 cm
25 Apr. Patchy rain possible
Patchy rain possible
 18° /12° 0.9 mm 0 cm
26 Apr. Overcast
Overcast
 10° /5° 0.1 mm 0 cm
27 Apr. Sunny
Sunny
 15° /3° 0 mm 0 cm
28 Apr. Patchy rain possible
Patchy rain possible
 20° /7° 2.7 mm 0 cm
29 Apr. Patchy rain possible
Patchy rain possible
 21° /16° 2.1 mm 0 cm
30 Apr. Patchy rain possible
Patchy rain possible
 17° /11° 1.9 mm 0 cm
Next
Important Notice
Our weather forecast for Sarnia 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 Sarnia forecast closer to your planned date for the most up-to-date weather information.

Sarnia in April - FAQ

What are the expected maximum and minimum temperatures in Sarnia during April?
Prepare for cooler days with highs just around 12° and colder nights, dipping below 4°.
How much rainfall should be expected in Sarnia during April?
Significant rainfall exceeding 148.7 mm is expected in Sarnia during April, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Sarnia in April 2025?
Sarnia experiences an average snowfall of 1.26 cm during April, occurring over 2 days.
What are the typical wind conditions in Sarnia during April?
The average wind speed in Sarnia during April is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

Sarnia snow forecast April 2025

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

April rainfall patterns in Sarnia

Explore the daily rainfall trends and prepare for Sarnias April weather 💧

UV exposure in Sarnia during April

Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️

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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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