August Weather in Gravenhurst, Canada

Last updated: June 18, 2025

In August, the average temperature in Gravenhurst, Canada hovers around 19°C (67°F), with a spectrum that sees a minimum of 8°C (47°F) and a maximum of 31°C (88°F). Expect precipitation of about 138 mm (5.4 in) spread over 14 days, with the air maintaining an average humidity of 67%. Enjoy the varied weather while exploring!

August Temperature in Gravenhurst

In August in Gravenhurst, the average temperature is 19°C (67°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 8°C (47°F). This climate makes it an ideal time for travelers to enjoy outdoor activities while being prepared for varying temperatures.

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

The chart illustrates August temperature patterns in Gravenhurst, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gravenhurst, August typically has an average temperature of 19°C (67°F), with highs reaching up to 31°C (88°F) and lows dropping to around 8°C (47°F).

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

August Precipitation in Gravenhurst

In Gravenhurst in August, the total precipitation amount is 138 mm (5.4 in) over a span of 14 days.

August Precipitation Trends in Gravenhurst

The chart displays monthly precipitation patterns in Gravenhurst, 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 Gravenhurst, August typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 14 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 Gravenhurst

In Gravenhurst in August, humidity is 67%. With an average temperature of 19°C (67°F), this humidity feels like walking through a warm, soft blanket, making sightseeing and outdoor activities a bit more challenging but still enjoyable for those prepared with light clothing and plenty of hydration.

August Average Humidity in Gravenhurst

This chart illustrates the average monthly humidity levels in Gravenhurst, 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 Gravenhurst 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 Gravenhurst

In Gravenhurst 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 Gravenhurst.

Maximum UV Index Levels in Gravenhurst for August

The chart shows the monthly maximum UV Index (UVI) for Gravenhurst 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 Gravenhurst typically reaches 9, which falls under the very high exposure category.

Data source: Gravenhurst 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 Gravenhurst Compares to Other Months

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

This table compares monthly weather conditions in Gravenhurst, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	71 mm (2.8 inches)	93%	low
February Weather	-7°C (20°F)	83 mm (3.3 inches)	94%	moderate
March Weather	-3°C (27°F)	70 mm (2.7 inches)	87%	moderate
April Weather	4°C (40°F)	113 mm (4.4 inches)	82%	very high
May Weather	11°C (53°F)	103 mm (4.0 inches)	74%	very high
June Weather	17°C (63°F)	119 mm (4.7 inches)	68%	very high
July Weather	20°C (69°F)	102 mm (4.0 inches)	67%	very high
August Weather	19°C (67°F)	138 mm (5.4 inches)	67%	very high
September Weather	15°C (59°F)	114 mm (4.5 inches)	74%	high
October Weather	9°C (49°F)	107 mm (4.2 inches)	83%	moderate
November Weather	1°C (34°F)	105 mm (4.1 inches)	89%	moderate
December Weather	-4°C (24°F)	92 mm (3.6 inches)	91%	low