Oshawa
June
Weather in Oshawa for June 2025
Your guide to Oshawa weather in June - trends and predictions
In general, the average temperature in Oshawa at the beginning of June is 20.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 21.6 °C by the end of June.
Expect significant rainfall in Oshawa during June, with an average of 17 rainy days.
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13
Dry days
17
Rainy days
0
Snow days
21°/14°
Temperatures
17 km/h
Avg max wind
76 %
Avg humidity
Oshawa in June average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | ||||||
| 2  24° | 3  21° | 4 20° | 5  22° | 6 21° | 7 17° | 8 17° |
| 9 18° | 10  19° | 11  18° | 12 18° | 13  20° | 14 19° | 15 19° |
| 16 18° | 17 24° | 18 23° | 19 23° | 20 25° | 21 23° | 22 22° |
| 23 22° | 24 22° | 25 23° | 26 21° | 27 21° | 28 21° | 29 22° |
| 30 21° |
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Temperatures trend during June in Oshawa
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 | 21° /13° | 0 mm | 6 | |
| 2 Jun. | Moderate or heavy rain shower | 24° /15° | 0.9 mm | 6 | |
| 3 Jun. | Partly cloudy | 21° /14° | 0 mm | 5 | |
| 4 Jun. | Partly cloudy | 20° /12° | 0 mm | 6 | |
| 5 Jun. | Patchy rain possible | 22° /14° | 1 mm | 5 | |
| 6 Jun. | Partly cloudy | 21° /14° | 1.7 mm | 6 | |
| 7 Jun. | Partly cloudy | 17° /11° | 1.8 mm | 5 | |
| 8 Jun. | Patchy rain possible | 17° /11° | 3.9 mm | 4 | |
| 9 Jun. | Moderate rain at times | 18° /10° | 3.5 mm | 4 | |
| 10 Jun. | Cloudy | 19° /10° | 0 mm | 5 | |
| 11 Jun. | Heavy rain at times | 18° /11° | 2.2 mm | 4 | |
| 12 Jun. | Moderate or heavy rain shower | 18° /12° | 20.9 mm | 5 | |
| 13 Jun. | Overcast | 20° /12° | 5.1 mm | 5 | |
| 14 Jun. | Moderate or heavy rain shower | 19° /12° | 3.3 mm | 5 | |
| 15 Jun. | Moderate or heavy rain shower | 19° /12° | 1.8 mm | 5 | |
| 16 Jun. | Moderate or heavy rain shower | 18° /12° | 5.3 mm | 5 | |
| 17 Jun. | Sunny | 24° /13° | 4.8 mm | 6 | |
| 18 Jun. | Patchy rain possible | 23° /16° | 2.2 mm | 6 | |
| 19 Jun. | Patchy rain possible | 23° /16° | 2 mm | 6 | |
| 20 Jun. | Sunny | 25° /17° | 0.1 mm | 7 | |
| 21 Jun. | Sunny | 23° /17° | 3.2 mm | 6 | |
| 22 Jun. | Partly cloudy | 22° /15° | 5.6 mm | 6 | |
| 23 Jun. | Heavy rain at times | 22° /16° | 13.4 mm | 5 | |
| 24 Jun. | Moderate or heavy rain shower | 22° /16° | 16 mm | 5 | |
| 25 Jun. | Moderate rain at times | 23° /16° | 2.3 mm | 6 | |
| 26 Jun. | Moderate or heavy rain shower | 21° /15° | 2.4 mm | 5 | |
| 27 Jun. | Moderate or heavy rain shower | 21° /14° | 7.3 mm | 5 | |
| 28 Jun. | Overcast | 21° /12° | 0 mm | 5 | |
| 29 Jun. | Partly cloudy | 22° /14° | 7 mm | 5 | |
| 30 Jun. | Cloudy | 21° /14° | 0.2 mm | 5 | |
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Important Notice
Our weather forecast for Oshawa 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 Oshawa forecast closer to your planned date for the most up-to-date weather information.
Oshawa in June - FAQ
What are the expected maximum and minimum temperatures in Oshawa during June?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Oshawa during June?
Significant rainfall exceeding 133.7 mm is expected in Oshawa during June, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Oshawa during June?
The average wind speed in Oshawa during June is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
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