Sarnia
April
Weather in Sarnia for April 2025
Your guide to Sarnia weather in April - trends and predictions
In general, the average temperature in Sarnia at the beginning of April is 8.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 12.1 °C by the end of April.
Sarnia sees moderate rainfall in April, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
15°/2°
Temperatures
25 km/h
Avg max wind
77 %
Avg humidity
Sarnia in April average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  8° | 2  7° | 3  11° | 4 6° | 5 11° | 6  8° | |
| 7 7° | 8 12° | 9  15° | 10 13° | 11 16° | 12 15° | 13 17° |
| 14 19° | 15 16° | 16 16° | 17  10° | 18 9° | 19 10° | 20 13° |
| 21 13° | 22 12° | 23 9° | 24 8° | 25 9° | 26 10° | 27 12° |
| 28 14° | 29 18° | 30 14° |
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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
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Apr. | Light freezing rain | 8° /1° | 14.1 mm | 0 cm | |
| 2 Apr. | Overcast | 7° /0° | 16.4 mm | 0 cm | |
| 3 Apr. | Moderate rain at times | 11° /2° | 2 mm | 0 cm | |
| 4 Apr. | Moderate rain at times | 6° /2° | 8.8 mm | 0.7 cm | |
| 5 Apr. | Moderate or heavy rain shower | 11° /3° | 7.5 mm | 0.5 cm | |
| 6 Apr. | Partly cloudy | 8° /1° | 0.1 mm | 0.1 cm | |
| 7 Apr. | Partly cloudy | 7° /0° | 0.3 mm | 0 cm | |
| 8 Apr. | Partly cloudy | 12° /3° | 0.2 mm | 0 cm | |
| 9 Apr. | Sunny | 15° /4° | 0.8 mm | 0 cm | |
| 10 Apr. | Overcast | 13° /4° | 0 mm | 0 cm | |
| 11 Apr. | Partly cloudy | 16° /7° | 19.1 mm | 0 cm | |
| 12 Apr. | Partly cloudy | 15° /7° | 5 mm | 0 cm | |
| 13 Apr. | Sunny | 17° /7° | 0 mm | 0 cm | |
| 14 Apr. | Overcast | 19° /7° | 3.6 mm | 0 cm | |
| 15 Apr. | Overcast | 16° /7° | 0 mm | 0 cm | |
| 16 Apr. | Moderate or heavy rain shower | 16° /7° | 6.5 mm | 0 cm | |
| 17 Apr. | Patchy rain possible | 10° /4° | 11.4 mm | 0 cm | |
| 18 Apr. | Light freezing rain | 9° /4° | 0.4 mm | 0 cm | |
| 19 Apr. | Overcast | 10° /3° | 12.3 mm | 0 cm | |
| 20 Apr. | Overcast | 13° /4° | 0.9 mm | 0 cm | |
| 21 Apr. | Moderate or heavy rain shower | 13° /4° | 6.1 mm | 0 cm | |
| 22 Apr. | Moderate or heavy rain shower | 12° /3° | 5.8 mm | 0 cm | |
| 23 Apr. | Patchy rain possible | 9° /4° | 3.4 mm | 0 cm | |
| 24 Apr. | Patchy rain possible | 8° /0° | 0.8 mm | 0 cm | |
| 25 Apr. | Patchy rain possible | 9° /0° | 0.6 mm | 0 cm | |
| 26 Apr. | Patchy rain possible | 10° /2° | 1.1 mm | 0 cm | |
| 27 Apr. | Partly cloudy | 12° /1° | 0 mm | 0 cm | |
| 28 Apr. | Moderate or heavy rain shower | 14° /7° | 11.4 mm | 0 cm | |
| 29 Apr. | Patchy rain possible | 18° /10° | 6 mm | 0 cm | |
| 30 Apr. | Moderate or heavy rain shower | 14° /7° | 4.1 mm | 0 cm | |
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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 15° and colder nights, dipping below 2°.
How much rainfall should be expected in Sarnia during April?
Significant rainfall exceeding 297.4 mm is expected in Sarnia during April, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Sarnia during April?
Sarnia experiences an average snowfall of 2.5 cm during April, occurring over 0 days, which may interest winter sports enthusiasts.
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.
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