August Weather in Orillia, Canada

Last updated: June 18, 2025

In August, the average temperature in Orillia, Canada hovers around 20°C (69°F). While you may experience a cool night with a minimum of 8°C (47°F), be prepared for warm days reaching up to 33°C (91°F). During this month, the area typically sees 122 mm (4.8 in) of precipitation over about 15 days, contributing to an average humidity of 67%.

August Temperature in Orillia

In August in Orillia, the average temperature is 20°C (69°F). The maximum can reach 33°C (91°F), while the minimum can be as low as 8°C (47°F). This makes it a perfect time for traveling, offering comfortable warmth and the opportunity to enjoy outdoor activities while also being prepared for cooler evenings.

August Weather in Orillia: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Orillia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Orillia, August typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (47°F).

Data source: Temperature data for Orillia generated using information from the Copernicus Climate Change Service.

August Precipitation in Orillia

In Orillia in August, the precipitation amount is 122 mm (4.8 in) over a span of 15 days.

August Precipitation Trends in Orillia

The chart displays monthly precipitation patterns in Orillia, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Orillia, August typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Orillia

In Orillia in August, humidity is 67%. With an average temperature of 20°C (69°F), this humidity feels like a warm, gentle embrace that clings to your skin, creating a comfortable yet slightly sticky atmosphere that can be refreshing while exploring the sights, provided you stay hydrated and take breaks in the shade.

August Average Humidity in Orillia

This chart illustrates the average monthly humidity levels in Orillia, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Orillia is approximately 67%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Orillia

In Orillia in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Orillia.

Maximum UV Index Levels in Orillia for August

The chart shows the monthly maximum UV Index (UVI) for Orillia in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Orillia typically reaches 9, which falls under the very high exposure category.

Data source: Orillia August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How August Weather in Orillia Compares to Other Months

Weather in Orillia varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Orillia, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Orillia, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	64 mm (2.5 inches)	93%	low
February Weather	-6°C (22°F)	70 mm (2.7 inches)	94%	moderate
March Weather	-2°C (29°F)	66 mm (2.6 inches)	87%	moderate
April Weather	5°C (41°F)	110 mm (4.3 inches)	82%	very high
May Weather	13°C (55°F)	94 mm (3.7 inches)	74%	very high
June Weather	18°C (65°F)	103 mm (4.1 inches)	68%	very high
July Weather	21°C (71°F)	109 mm (4.3 inches)	67%	very high
August Weather	20°C (69°F)	122 mm (4.8 inches)	67%	very high
September Weather	16°C (61°F)	86 mm (3.4 inches)	74%	high
October Weather	10°C (50°F)	113 mm (4.4 inches)	83%	moderate
November Weather	2°C (36°F)	88 mm (3.5 inches)	89%	moderate
December Weather	-3°C (26°F)	81 mm (3.2 inches)	91%	low