Sarnia
June
Weather in Sarnia for June 2025
Your guide to Sarnia weather in June - trends and predictions
In general, the average temperature in Sarnia at the beginning of June is 21 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 22.9 °C by the end of June.
The climate of Sarnia in June is notably wet, with an average of 13 rainy days.
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17
Dry days
13
Rainy days
0
Snow days
21°/13°
Temperatures
19 km/h
Avg max wind
74 %
Avg humidity
Sarnia in June average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | ||||||
| 2 21° | 3  23° | 4 23° | 5 21° | 6 19° | 7 17° | 8 18° |
| 9  19° | 10 19° | 11  18° | 12  20° | 13  21° | 14 18° | 15 18° |
| 16 21° | 17 25° | 18 27° | 19 26° | 20 23° | 21 24° | 22 26° |
| 23 22° | 24 22° | 25 26° | 26 22° | 27 19° | 28 22° | 29 24° |
| 30 25° |
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Temperatures trend during June in Sarnia
See the weather trend as well as the moving average line
June weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. | Sunny | 23° /12° | 5 mm | 6 | |
| 2 Jun. | Sunny | 21° /14° | 0.6 mm | 5 | |
| 3 Jun. | Overcast | 23° /13° | 0.1 mm | 5 | |
| 4 Jun. | Sunny | 23° /13° | 0 mm | 7 | |
| 5 Jun. | Overcast | 21° /14° | 2 mm | 5 | |
| 6 Jun. | Overcast | 19° /12° | 0.7 mm | 5 | |
| 7 Jun. | Sunny | 17° /10° | 0.8 mm | 5 | |
| 8 Jun. | Overcast | 18° /10° | 6.1 mm | 4 | |
| 9 Jun. | Partly cloudy | 19° /10° | 1.1 mm | 5 | |
| 10 Jun. | Partly cloudy | 19° /11° | 0.1 mm | 5 | |
| 11 Jun. | Heavy rain at times | 18° /9° | 7.6 mm | 5 | |
| 12 Jun. | Patchy rain possible | 20° /11° | 6.4 mm | 5 | |
| 13 Jun. | Moderate rain at times | 21° /13° | 4.5 mm | 5 | |
| 14 Jun. | Patchy rain possible | 18° /11° | 0.7 mm | 5 | |
| 15 Jun. | Moderate or heavy rain shower | 18° /11° | 6.2 mm | 5 | |
| 16 Jun. | Patchy rain possible | 21° /12° | 1.1 mm | 5 | |
| 17 Jun. | Partly cloudy | 25° /14° | 4.9 mm | 7 | |
| 18 Jun. | Overcast | 27° /16° | 1.3 mm | 6 | |
| 19 Jun. | Overcast | 26° /17° | 1.6 mm | 6 | |
| 20 Jun. | Patchy rain possible | 23° /15° | 0.3 mm | 6 | |
| 21 Jun. | Patchy rain possible | 24° /16° | 1.7 mm | 5 | |
| 22 Jun. | Partly cloudy | 26° /17° | 3.7 mm | 6 | |
| 23 Jun. | Moderate or heavy rain shower | 22° /16° | 8.8 mm | 5 | |
| 24 Jun. | Heavy rain at times | 22° /15° | 1.4 mm | 6 | |
| 25 Jun. | Patchy rain possible | 26° /15° | 2.9 mm | 6 | |
| 26 Jun. | Heavy rain at times | 22° /14° | 6.3 mm | 5 | |
| 27 Jun. | Patchy rain possible | 19° /13° | 0.4 mm | 5 | |
| 28 Jun. | Partly cloudy | 22° /12° | 0 mm | 6 | |
| 29 Jun. | Partly cloudy | 24° /14° | 6.1 mm | 6 | |
| 30 Jun. | Overcast | 25° /15° | 2.1 mm | 6 | |
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Important Notice
Our weather forecast for Sarnia in June 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 June - FAQ
What are the expected maximum and minimum temperatures in Sarnia during June?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sarnia during June?
Moderate rainfall is anticipated in Sarnia during June, with a total of 78.5 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Sarnia during June?
The average wind speed in Sarnia during June is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
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