October Weather in South River, Canada

Last updated: June 18, 2025

In South River, Canada, the average temperature in October hovers around 8°C (46°F). Prepare for a range of conditions, as temperatures can dip to a brisk -9°C (16°F) or rise to a warm 26°C (79°F). During this time, expect 116 mm (4.5 in) of precipitation over approximately 15 days, contributing to a notably high average humidity of 83%.

October Temperature in South River

In October in South River, the average temperature is 8°C (46°F). Maximum temperatures can reach up to 26°C (79°F), while the minimum can drop as low as -9°C (16°F). Be prepared for a diverse range of weather conditions when traveling during this time.

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

The chart illustrates October 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, October typically has an average temperature of 8°C (46°F), with highs reaching up to 26°C (79°F) and lows dropping to around -9°C (16°F).

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

October Precipitation in South River

In South River in October, the precipitation amount is 116 mm (4.5 in) spread over a duration of 15 days.

October Precipitation Trends in South River

The chart displays monthly precipitation patterns in South River, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In South River, October typically receives around 116 mm (4.5 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

October Humidity in South River

In South River in October, humidity is 83%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making even short outings feel quite uncomfortable and prompting travelers to bundle up and seek shelter more frequently.

October Average Humidity in South River

This chart illustrates the average monthly humidity levels in South River, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in South River is approximately 83%, offering insight into how humid the weather typically is during this month.

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

October UV Index in South River

In South River in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in South River.

Maximum UV Index Levels in South River for October

The chart shows the monthly maximum UV Index (UVI) for South River in October, 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 October, the maximum UV index in South River typically reaches 5, which falls under the moderate exposure category.

Data source: South River October 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 October 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 October’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 October’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