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Weather in Sarnia for June 2026

Your guide to Sarnia weather in June - trends and predictions

    Temperatures

  • So far, June 2026 in Sarnia shows a warmer trend than usual by 4.3 °C.

  • Expect cooler weather in the next days in Sarnia with the forecast suggesting a temperature of 20.5 °C, lower than the historical average.

  • In general, the average temperature in Sarnia at the beginning of June is 21.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 22.6 °C by the end of June.

    • Rain 🌧️

  • Sarnia experiences heavy rainfall in June, with over 20 rainy days and an average total precipitation 143 mm.

    • More

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

Average dry days
7
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/14°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Sarnia Weather June

Move between months or click on a day
May
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
20°
2
Sunny
21°
3
Overcast
25°
4
Sunny
26°
5
Overcast
22°
6
Overcast
20°
7
Sunny
18°
8
Overcast
21°
9
Partly cloudy
22°
10
Partly cloudy
22°
11
Heavy rain at times
24°
12
Patchy rain possible
21°
13
Sunny
31°
14
Moderate rain
16°
15
Sunny
21°
16
Patchy rain possible
22°
17
Moderate rain
19°
18
Patchy rain possible
17°
19
Partly cloudy
19°
20
Patchy rain possible
23°
21
Moderate rain
18°
22
Moderate rain
18°
23
Sunny
20°
24
Sunny
23°
25
Patchy rain possible
22°
26
Moderate rain
18°
27
Patchy rain possible
21°
28
Partly cloudy
22°
29
Partly cloudy
26°
30
Overcast
26°

Temperatures trend during June in Sarnia

See the weather trend as well as the moving average line

June weather in Sarnia day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
1 Jun. Sunny
Sunny
 20° /9° 2.5 mm 7
2 Jun. Sunny
Sunny
 21° /11° 0.3 mm 6
3 Jun. Overcast
Overcast
 25° /12° 0 mm 7
4 Jun. Sunny
Sunny
 26° /12° 4.6 mm 7
5 Jun. Overcast
Overcast
 22° /13° 8.7 mm 6
6 Jun. Overcast
Overcast
 20° /12° 3.1 mm 6
7 Jun. Sunny
Sunny
 18° /11° 0.4 mm 6
8 Jun. Overcast
Overcast
 21° /10° 3 mm 6
9 Jun. Partly cloudy
Partly cloudy
 22° /13° 11.5 mm 6
10 Jun. Partly cloudy
Partly cloudy
 22° /14° 2 mm 6
11 Jun. Heavy rain at times
Heavy rain at times
 24° /13° 3.9 mm 7
12 Jun. Patchy rain possible
Patchy rain possible
 21° /13° 3.6 mm 6
13 Jun. Sunny
Sunny
 31° /16° 0 mm 8.4
14 Jun. Moderate rain
Moderate rain
 16° /12° 14 mm 5.4
15 Jun. Sunny
Sunny
 21° /10° 0 mm 7.5
16 Jun. Patchy rain possible
Patchy rain possible
 22° /12° 1.8 mm 7.5
17 Jun. Moderate rain
Moderate rain
 19° /15° 13.1 mm 0.2
18 Jun. Patchy rain possible
Patchy rain possible
 17° /14° 0.5 mm 4
19 Jun. Partly cloudy
Partly cloudy
 19° /14° 0 mm 5
20 Jun. Patchy rain possible
Patchy rain possible
 23° /14° 0.4 mm 4
21 Jun. Moderate rain
Moderate rain
 18° /14° 9.8 mm 4
22 Jun. Moderate rain
Moderate rain
 18° /14° 6.8 mm 4
23 Jun. Sunny
Sunny
 20° /13° 0 mm 5
24 Jun. Sunny
Sunny
 23° /14° 0 mm 5
25 Jun. Patchy rain possible
Patchy rain possible
 22° /16° 0.3 mm 4
26 Jun. Moderate rain
Moderate rain
 18° /16° 5.4 mm 4
27 Jun. Patchy rain possible
Patchy rain possible
 21° /13° 1.7 mm 5
28 Jun. Partly cloudy
Partly cloudy
 22° /13° 0 mm 6
29 Jun. Partly cloudy
Partly cloudy
 26° /14° 4.1 mm 6
30 Jun. Overcast
Overcast
 26° /16° 5 mm 6
Next
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.
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Sarnia in June - FAQ

What are the expected maximum and minimum temperatures in Sarnia during June?

Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Sarnia during June?

Significant rainfall exceeding 143 mm is expected in Sarnia during June, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Sarnia during June?

The average wind speed in Sarnia during June is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

June rainfall patterns in Sarnia

Explore the daily rainfall trends and prepare for Sarnias June weather 💧
Typically, Sarnia has 23 rainy days in June with a total of 143 mm of rainfall.

UV exposure in Sarnia during June

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

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Location coordinates Where is Sarnia?

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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