Orillia
August
Weather in Orillia for August 2025
Your guide to Orillia weather in August - trends and predictions
In general, the average temperature in Orillia at the beginning of August is 25.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.1 °C by the end of August.
Expect significant rainfall in Orillia during August, with an average of 20 rainy days.
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11
Dry days
20
Rainy days
0
Snow days
23°/14°
Temperatures
18 km/h
Avg max wind
73 %
Avg humidity
Orillia in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2 28° | 3  27° | ||||
| 4 26° | 5 25° | 6  25° | 7 23° | 8  23° | 9  25° | 10 20° |
| 11 20° | 12 23° | 13 24° | 14 25° | 15 25° | 16 26° | 17 25° |
| 18 20° | 19 22° | 20  23° | 21 21° | 22 23° | 23 23° | 24 24° |
| 25  25° | 26 25° | 27 26° | 28 22° | 29 24° | 30  23° | 31 24° |
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Temperatures trend during August in Orillia
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 mm | 6 | |
| 2 Aug. | Cloudy | 28° /16° | 0.9 mm | 7 | |
| 3 Aug. | Moderate or heavy rain shower | 27° /18° | 7.6 mm | 7 | |
| 4 Aug. | Moderate or heavy rain shower | 26° /17° | 3.1 mm | 7 | |
| 5 Aug. | Cloudy | 25° /15° | 1.8 mm | 6 | |
| 6 Aug. | Overcast | 25° /13° | 0.5 mm | 6 | |
| 7 Aug. | Moderate or heavy rain shower | 23° /13° | 15.6 mm | 6 | |
| 8 Aug. | Patchy rain possible | 23° /14° | 1.5 mm | 5 | |
| 9 Aug. | Partly cloudy | 25° /16° | 3.6 mm | 6 | |
| 10 Aug. | Moderate or heavy rain shower | 20° /14° | 10.7 mm | 5 | |
| 11 Aug. | Partly cloudy | 20° /13° | 6 mm | 5 | |
| 12 Aug. | Moderate or heavy rain shower | 23° /14° | 10.3 mm | 5 | |
| 13 Aug. | Patchy rain possible | 24° /14° | 0.6 mm | 6 | |
| 14 Aug. | Patchy rain possible | 25° /14° | 0.8 mm | 6 | |
| 15 Aug. | Patchy rain possible | 25° /15° | 1.1 mm | 6 | |
| 16 Aug. | Partly cloudy | 26° /16° | 0.9 mm | 7 | |
| 17 Aug. | Patchy rain possible | 25° /17° | 10.7 mm | 6 | |
| 18 Aug. | Moderate or heavy rain shower | 20° /15° | 22.8 mm | 5 | |
| 19 Aug. | Partly cloudy | 22° /12° | 0.1 mm | 6 | |
| 20 Aug. | Heavy rain at times | 23° /12° | 0.9 mm | 5 | |
| 21 Aug. | Overcast | 21° /12° | 0 mm | 5 | |
| 22 Aug. | Overcast | 23° /11° | 0 mm | 5 | |
| 23 Aug. | Heavy rain at times | 23° /13° | 2.3 mm | 6 | |
| 24 Aug. | Patchy rain possible | 24° /15° | 0.9 mm | 6 | |
| 25 Aug. | Mist | 25° /15° | 0 mm | 6 | |
| 26 Aug. | Light rain shower | 25° /13° | 0.9 mm | 6 | |
| 27 Aug. | Overcast | 26° /13° | 0.1 mm | 6 | |
| 28 Aug. | Cloudy | 22° /12° | 0.4 mm | 5 | |
| 29 Aug. | Mist | 24° /11° | 1.5 mm | 6 | |
| 30 Aug. | Light rain | 23° /11° | 7.5 mm | 6 | |
| 31 Aug. | Partly cloudy | 24° /12° | 6 mm | 6 | |
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Important Notice
Our weather forecast for Orillia 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 Orillia forecast closer to your planned date for the most up-to-date weather information.
Orillia in August - FAQ
What are the expected maximum and minimum temperatures in Orillia 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 Orillia during August?
Significant rainfall exceeding 141.3 mm is expected in Orillia during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Orillia during August?
The average wind speed in Orillia during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Orillia
Explore the daily rainfall trends and prepare for Orillias August weather 💧
UV exposure in Orillia during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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