August Weather in South River, Canada

Last updated: June 18, 2025

In South River, Canada, the average temperature in August hovers around 18°C (65°F), offering a pleasant climate for visitors. Expect temperatures to vary from a cool 6°C (43°F) to a warm 31°C (89°F). With an average precipitation of 133 mm (5.3 in) spread over 14 days, you might want to bring an umbrella. The average humidity sits at a comfortable 67%, making it an ideal time to explore the vibrant surroundings!

August Temperature in South River

In August in South River, the average temperature is 18°C (65°F). Maximums can reach 31°C (89°F), while minimums can be as low as 6°C (43°F). This makes South River a comfortable destination for travelers looking to enjoy mild weather with warm days and cooler evenings.

August Weather in South River: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in South River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South River, August typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (89°F) and lows dropping to around 6°C (43°F).

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

August Precipitation in South River

In South River in August, the total precipitation amount is 133 mm (5.3 in) recorded over a span of 14 days.

August Precipitation Trends in South River

The chart displays monthly precipitation patterns in South River, 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 South River, August typically receives around 133 mm (5.3 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 South River

In South River in August humidity is 67%. With an average temperature of 18°C (65°F), this humidity feels like a mild blanket wrapping around you, making outdoor activities feel pleasantly refreshing, yet you may find yourself reaching for a drink more often to stay hydrated while exploring the sights.

August Average Humidity in South River

This chart illustrates the average monthly humidity levels in South River, 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 South River 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 South River

In South River in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in South River.

Maximum UV Index Levels in South River for August

The chart shows the monthly maximum UV Index (UVI) for South River 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 South River typically reaches 8, which falls under the very high exposure category.

Data source: South River 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 South River Compares to Other Months

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

This table compares monthly weather conditions in South River, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (15°F)	65 mm (2.6 inches)	93%	low
February Weather	-9°C (17°F)	78 mm (3.1 inches)	94%	moderate
March Weather	-4°C (25°F)	63 mm (2.5 inches)	87%	moderate
April Weather	4°C (39°F)	107 mm (4.2 inches)	82%	high
May Weather	11°C (53°F)	106 mm (4.2 inches)	74%	very high
June Weather	16°C (62°F)	126 mm (5.0 inches)	68%	very high
July Weather	20°C (68°F)	108 mm (4.3 inches)	67%	very high
August Weather	18°C (65°F)	133 mm (5.3 inches)	67%	very high
September Weather	14°C (57°F)	133 mm (5.2 inches)	74%	high
October Weather	8°C (46°F)	116 mm (4.5 inches)	83%	moderate
November Weather	-1°C (31°F)	100 mm (4.0 inches)	89%	moderate
December Weather	-6°C (21°F)	86 mm (3.4 inches)	91%	low