Alliston
August
Weather in Alliston for August 2025
Your guide to Alliston weather in August - trends and predictions
In general, the average temperature in Alliston at the beginning of August is 25.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 24 °C by the end of August.
Alliston in August brings notable rainfall, with an average of 20 rainy days and a total precipitation of 107.5 mm.
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Temperatures
Rain 🌧️
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11
Dry days
20
Rainy days
0
Snow days
23°/14°
Temperatures
17 km/h
Avg max wind
73 %
Avg humidity
Alliston in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  28° | 3  27° | ||||
| 4 25° | 5  23° | 6  25° | 7 23° | 8 23° | 9  25° | 10 20° |
| 11 20° | 12 23° | 13 23° | 14 25° | 15 25° | 16 25° | 17 25° |
| 18 20° | 19 21° | 20 23° | 21 21° | 22 23° | 23 24° | 24 26° |
| 25  25° | 26 25° | 27 27° | 28 22° | 29 24° | 30  22° | 31 23° |
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Temperatures trend during August in Alliston
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Cloudy | 26° /15° | 0.3 mm | 6 | |
| 2 Aug. | Patchy rain possible | 28° /16° | 2.4 mm | 7 | |
| 3 Aug. | Moderate or heavy rain shower | 27° /17° | 4.4 mm | 7 | |
| 4 Aug. | Moderate or heavy rain shower | 25° /16° | 2.5 mm | 6 | |
| 5 Aug. | Partly cloudy | 23° /15° | 2 mm | 6 | |
| 6 Aug. | Overcast | 25° /14° | 1.6 mm | 6 | |
| 7 Aug. | Moderate or heavy rain shower | 23° /13° | 15.1 mm | 6 | |
| 8 Aug. | Moderate or heavy rain shower | 23° /14° | 1.7 mm | 5 | |
| 9 Aug. | Sunny | 25° /14° | 1.4 mm | 7 | |
| 10 Aug. | Moderate or heavy rain shower | 20° /14° | 9 mm | 5 | |
| 11 Aug. | Cloudy | 20° /12° | 3.9 mm | 5 | |
| 12 Aug. | Moderate or heavy rain shower | 23° /13° | 9.6 mm | 6 | |
| 13 Aug. | Patchy rain possible | 23° /13° | 0.6 mm | 5 | |
| 14 Aug. | Patchy rain possible | 25° /14° | 0.3 mm | 6 | |
| 15 Aug. | Moderate rain at times | 25° /15° | 2.1 mm | 6 | |
| 16 Aug. | Partly cloudy | 25° /15° | 1.4 mm | 7 | |
| 17 Aug. | Patchy rain possible | 25° /15° | 13.6 mm | 6 | |
| 18 Aug. | Moderate or heavy rain shower | 20° /14° | 15.9 mm | 5 | |
| 19 Aug. | Partly cloudy | 21° /12° | 0.3 mm | 5 | |
| 20 Aug. | Patchy rain possible | 23° /12° | 0.1 mm | 5 | |
| 21 Aug. | Overcast | 21° /12° | 0 mm | 5 | |
| 22 Aug. | Overcast | 23° /11° | 0 mm | 6 | |
| 23 Aug. | Moderate or heavy rain shower | 24° /13° | 4.6 mm | 6 | |
| 24 Aug. | Patchy rain possible | 26° /15° | 1.1 mm | 6 | |
| 25 Aug. | Fog | 25° /15° | 0 mm | 6 | |
| 26 Aug. | Fog | 25° /13° | 0 mm | 6 | |
| 27 Aug. | Cloudy | 27° /13° | 0 mm | 6 | |
| 28 Aug. | Cloudy | 22° /12° | 0.3 mm | 5 | |
| 29 Aug. | Cloudy | 24° /11° | 1.2 mm | 6 | |
| 30 Aug. | Light rain | 22° /12° | 6.5 mm | 6 | |
| 31 Aug. | Sunny | 23° /12° | 5.8 mm | 6 | |
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Important Notice
Our weather forecast for Alliston 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 Alliston forecast closer to your planned date for the most up-to-date weather information.
Alliston in August - FAQ
What are the expected maximum and minimum temperatures in Alliston during August?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Alliston during August?
Significant rainfall exceeding 107.5 mm is expected in Alliston during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Alliston during August?
The average wind speed in Alliston during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Alliston
Explore the daily rainfall trends and prepare for Allistons August weather 💧
UV exposure in Alliston during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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