January Weather in South River, Canada

Last updated: June 18, 2025

In January, the average temperature in South River, Canada hovers around -10°C (15°F). While the mercury can dip as low as -34°C (-29°F), it may occasionally rise to a maximum of 9°C (48°F). Expect 65 mm (2.6 in) of precipitation spread over 10 days, creating a moist atmosphere with an average humidity of 93%.

January Temperature in South River

In January in South River, the average temperature is -10°C (15°F). Maximum temperatures can reach 9°C (48°F), while minimums can drop as low as -34°C (-29°F). Be prepared for chilly conditions and pack warm clothing if you plan to travel during this time.

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

The chart illustrates January 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, January typically has an average temperature of -10°C (15°F), with highs reaching up to 9°C (48°F) and lows dropping to around -34°C (-29°F).

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

January Precipitation in South River

In South River in January, the precipitation amount is 65 mm (2.6 in) over a span of 10 days.

January Precipitation Trends in South River

The chart displays monthly precipitation patterns in South River, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In South River, January typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

January Humidity in South River

In South River in January humidity is 93%. With an average temperature of -10°C (15°F), this humidity feels like an eerie chill that penetrates even the warmest clothing, making outdoor activities uncomfortable and travel quite challenging.

January Average Humidity in South River

This chart illustrates the average monthly humidity levels in South River, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in South River is approximately 93%, offering insight into how humid the weather typically is during this month.

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

January UV Index in South River

In South River in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in South River, you can visit Hourly UV Index in South River.

Maximum UV Index Levels in South River for January

The chart shows the monthly maximum UV Index (UVI) for South River in January, 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 January, the maximum UV index in South River typically reaches 2, which falls under the low exposure category.

Data source: South River January 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 January 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 January’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 January’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