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Weather in Alliston for June 2025

Your guide to Alliston weather in June - trends and predictions

  • In general, the average temperature in Alliston at the beginning of June is 21.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 22 °C by the end of June.

  • The climate of Alliston in June is notably wet, with an average of 15 rainy days.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/12°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Alliston in June average weather

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

See the weather trend as well as the moving average line

June weather day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
1 Jun. Partly cloudy
Partly cloudy
 25° /12° 0.2 mm 6
2 Jun. Moderate rain at times
Moderate rain at times
 22° /14° 0.4 mm 6
3 Jun. Partly cloudy
Partly cloudy
 23° /13° 0 mm 6
4 Jun. Sunny
Sunny
 23° /11° 0.4 mm 6
5 Jun. Overcast
Overcast
 23° /13° 2.2 mm 5
6 Jun. Sunny
Sunny
 21° /11° 2.4 mm 6
7 Jun. Partly cloudy
Partly cloudy
 15° /8° 1.3 mm 4
8 Jun. Patchy rain possible
Patchy rain possible
 17° /9° 1 mm 4
9 Jun. Moderate rain at times
Moderate rain at times
 17° /10° 3.6 mm 4
10 Jun. Overcast
Overcast
 18° /9° 0 mm 4
11 Jun. Moderate rain at times
Moderate rain at times
 17° /9° 2.1 mm 5
12 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /10° 23.8 mm 5
13 Jun. Patchy rain possible
Patchy rain possible
 21° /12° 7 mm 5
14 Jun. Heavy rain at times
Heavy rain at times
 18° /11° 1.4 mm 5
15 Jun. Overcast
Overcast
 19° /9° 0.6 mm 5
16 Jun. Patchy rain possible
Patchy rain possible
 18° /10° 0.2 mm 4
17 Jun. Sunny
Sunny
 24° /12° 2.7 mm 6
18 Jun. Sunny
Sunny
 27° /15° 2.5 mm 7
19 Jun. Sunny
Sunny
 27° /16° 2.8 mm 7
20 Jun. Sunny
Sunny
 25° /14° 0 mm 7
21 Jun. Sunny
Sunny
 27° /14° 3.3 mm 7
22 Jun. Sunny
Sunny
 23° /16° 11.2 mm 6
23 Jun. Moderate rain at times
Moderate rain at times
 22° /15° 22 mm 5
24 Jun. Patchy rain possible
Patchy rain possible
 23° /15° 3.3 mm 5
25 Jun. Heavy rain at times
Heavy rain at times
 24° /13° 6.5 mm 6
26 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /14° 9.5 mm 5
27 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /13° 5.3 mm 5
28 Jun. Overcast
Overcast
 21° /11° 0 mm 6
29 Jun. Cloudy
Cloudy
 23° /13° 3.4 mm 5
30 Jun. Moderate rain at times
Moderate rain at times
 23° /13° 2.4 mm 5
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Important Notice
Our weather forecast for Alliston 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 Alliston forecast closer to your planned date for the most up-to-date weather information.

Alliston in June - FAQ

What are the expected maximum and minimum temperatures in Alliston during June?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Alliston during June?
Significant rainfall exceeding 109.4 mm is expected in Alliston during June, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Alliston during June?
The average wind speed in Alliston during June is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

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Location coordinates Where is Alliston?

Get accurate weather forecasts for Alliston, located at latitude 44.15 and longitude -79.866. Stay updated with localized weather information tailored for Alliston.

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