Ontario (Toronto)
August
Weather in Ontario for August 2025
Your guide to Ontario weather in August - trends and predictions
In general, the average temperature in Ontario at the beginning of August is 26.4 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 26 °C by the end of August.
Ontario in August brings notable rainfall, with an average of 20 rainy days and a total precipitation of 57.2 mm.
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Temperatures
Rain 🌧️
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11
Dry days
20
Rainy days
0
Snow days
25°/18°
Temperatures
15 km/h
Avg max wind
66 %
Avg humidity
Ontario in August average weather
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Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 25° | 2 26° | 3 27° | ||||
4 27° | 5 26° | 6 27° | 7 27° | 8 25° | 9 26° | 10 24° |
11 25° | 12 27° | 13 26° | 14 25° | 15 25° | 16 25° | 17 25° |
18 24° | 19 25° | 20 26° | 21 24° | 22 25° | 23 26° | 24 27° |
25 28° | 26 27° | 27 25° | 28 25° | 29 26° | 30 26° | 31 25° |
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Temperatures trend during August in Ontario
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August weather day by day
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Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Aug. | Moderate rain at times | 25° /17° | 1.3 mm | 6 | |
2 Aug. | Sunny | 26° /17° | 0.1 mm | 6 | |
3 Aug. | Partly cloudy | 27° /17° | 1.7 mm | 6 | |
4 Aug. | Sunny | 27° /18° | 0.9 mm | 7 | |
5 Aug. | Cloudy | 26° /17° | 0.8 mm | 6 | |
6 Aug. | Patchy rain possible | 27° /18° | 0.7 mm | 6 | |
7 Aug. | Moderate or heavy rain shower | 27° /19° | 4.6 mm | 6 | |
8 Aug. | Overcast | 25° /19° | 2.2 mm | 6 | |
9 Aug. | Partly cloudy | 26° /18° | 2.7 mm | 6 | |
10 Aug. | Moderate or heavy rain shower | 24° /18° | 5.6 mm | 6 | |
11 Aug. | Patchy rain possible | 25° /17° | 0.7 mm | 6 | |
12 Aug. | Moderate rain at times | 27° /17° | 2.7 mm | 6 | |
13 Aug. | Patchy rain possible | 26° /16° | 0.1 mm | 6 | |
14 Aug. | Sunny | 25° /16° | 0 mm | 6 | |
15 Aug. | Sunny | 25° /17° | 2.5 mm | 6 | |
16 Aug. | Patchy rain possible | 25° /17° | 0.5 mm | 6 | |
17 Aug. | Patchy rain possible | 25° /18° | 5.3 mm | 6 | |
18 Aug. | Patchy rain possible | 24° /17° | 4 mm | 6 | |
19 Aug. | Cloudy | 25° /16° | 0.7 mm | 6 | |
20 Aug. | Partly cloudy | 26° /17° | 0.7 mm | 6 | |
21 Aug. | Moderate or heavy rain shower | 24° /17° | 4.4 mm | 6 | |
22 Aug. | Partly cloudy | 25° /17° | 2.8 mm | 6 | |
23 Aug. | Partly cloudy | 26° /17° | 1.7 mm | 7 | |
24 Aug. | Patchy rain possible | 27° /18° | 0.5 mm | 7 | |
25 Aug. | Patchy rain possible | 28° /19° | 0.9 mm | 7 | |
26 Aug. | Moderate rain at times | 27° /18° | 1.7 mm | 6 | |
27 Aug. | Partly cloudy | 25° /17° | 0 mm | 7 | |
28 Aug. | Sunny | 25° /17° | 1 mm | 6 | |
29 Aug. | Moderate or heavy rain shower | 26° /18° | 1 mm | 6 | |
30 Aug. | Partly cloudy | 26° /17° | 2.8 mm | 6 | |
31 Aug. | Partly cloudy | 25° /15° | 2.5 mm | 6 | |
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Important Notice
Our weather forecast for Ontario in August 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 August - FAQ
What are the expected maximum and minimum temperatures in Ontario during August?
During August, expect a variety of temperatures with highs around 25° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ontario during August?
Moderate rainfall is anticipated in Ontario during August, with a total of 57.2 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Ontario during August?
The average wind speed in Ontario during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Ontario
Explore the daily rainfall trends and prepare for Ontarios August weather 💧
UV exposure in Ontario during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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