Ontario
June
Weather in Ontario for June 2025
Your guide to Ontario weather in June - trends and predictions
In general, the average temperature in Ontario at the beginning of June is 26 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 31.1 °F by the end of June.
With an average of 5 rainy days, Ontario experiences minimal rainfall in June, ensuring that most days remain pleasantly dry.
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25
Dry days
5
Rainy days
0
Snow days
26°/12°
Temperatures
16 km/h
Avg max wind
57 %
Avg humidity
Ontario in June average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | ||||||
| 2  25° | 3  27° | 4 29° | 5 26° | 6  26° | 7 26° | 8 27° |
| 9 26° | 10 25° | 11 24° | 12 26° | 13 27° | 14 29° | 15 28° |
| 16 29° | 17 29° | 18 29° | 19 27° | 20 29° | 21 31° | 22 31° |
| 23 29° | 24 30° | 25 30° | 26 30° | 27 30° | 28 30° | 29 32° |
| 30 36° |
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Temperatures trend during June in Ontario
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 |
|---|---|---|---|---|---|
| Jun. 1 | Patchy rain possible | 23° /11° | 0.2 mm | 6 | |
| Jun. 2 | Partly cloudy | 25° /10° | 0 mm | 7 | |
| Jun. 3 | Sunny | 27° /11° | 0 mm | 7 | |
| Jun. 4 | Sunny | 29° /12° | 0 mm | 8 | |
| Jun. 5 | Partly cloudy | 26° /13° | 0 mm | 7 | |
| Jun. 6 | Cloudy | 26° /12° | 0.4 mm | 7 | |
| Jun. 7 | Partly cloudy | 26° /12° | 1 mm | 7 | |
| Jun. 8 | Sunny | 27° /12° | 0 mm | 7 | |
| Jun. 9 | Partly cloudy | 26° /12° | 0 mm | 7 | |
| Jun. 10 | Cloudy | 25° /12° | 0 mm | 6 | |
| Jun. 11 | Patchy rain possible | 24° /13° | 1.1 mm | 6 | |
| Jun. 12 | Patchy rain possible | 26° /12° | 0.5 mm | 7 | |
| Jun. 13 | Sunny | 27° /12° | 0 mm | 7 | |
| Jun. 14 | Sunny | 29° /12° | 0 mm | 8 | |
| Jun. 15 | Patchy rain possible | 28° /15° | 0.1 mm | 7 | |
| Jun. 16 | Partly cloudy | 29° /14° | 0 mm | 7 | |
| Jun. 17 | Sunny | 29° /13° | 0 mm | 8 | |
| Jun. 18 | Sunny | 29° /15° | 0 mm | 7 | |
| Jun. 19 | Sunny | 27° /13° | 0 mm | 7 | |
| Jun. 20 | Sunny | 29° /12° | 0 mm | 8 | |
| Jun. 21 | Sunny | 31° /13° | 0 mm | 8 | |
| Jun. 22 | Partly cloudy | 31° /14° | 0 mm | 8 | |
| Jun. 23 | Partly cloudy | 29° /15° | 0 mm | 7 | |
| Jun. 24 | Partly cloudy | 30° /15° | 0 mm | 8 | |
| Jun. 25 | Sunny | 30° /14° | 0 mm | 8 | |
| Jun. 26 | Sunny | 30° /14° | 0 mm | 8 | |
| Jun. 27 | Sunny | 30° /15° | 0 mm | 8 | |
| Jun. 28 | Sunny | 30° /14° | 0 mm | 8 | |
| Jun. 29 | Sunny | 32° /14° | 0 mm | 8 | |
| Jun. 30 | Sunny | 36° /19° | 0 mm | 9 | |
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Important Notice
Our weather forecast for Ontario 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 Ontario forecast closer to your planned date for the most up-to-date weather information.
Ontario in June - FAQ
What are the expected maximum and minimum temperatures in Ontario during June?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ontario during June?
Rainfall in Ontario during June is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 5 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Ontario during June?
The average wind speed in Ontario during June is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
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