March Weather in South River, Canada

Last updated: June 18, 2025

In March, the average temperature in South River, Canada hovers around -4°C (25°F), with extreme variations possible. Expect minimums as low as -27°C (-16°F) and maximums that can reach up to 17°C (63°F). During this period, precipitation amounts to 63 mm (2.5 in) over approximately 10 days, contributing to an average humidity level of 87%.

March Temperature in South River

In March in South River, the average temperature is -4°C (25°F), with maximums reaching 17°C (63°F) and minimums plummeting as low as -27°C (-16°F). It's advisable to pack for a wide range of temperatures to ensure comfort during your travels.

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

The chart illustrates March 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, March typically has an average temperature of -4°C (25°F), with highs reaching up to 17°C (63°F) and lows dropping to around -27°C (-16°F).

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

March Precipitation in South River

In South River in March, the precipitation amount is 63 mm (2.5 in) over a span of 10 days.

March Precipitation Trends in South River

The chart displays monthly precipitation patterns in South River, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In South River, March typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

March Humidity in South River

In South River in March humidity is 87%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that clings to your skin, making every step outside feel like an endeavor as the cold damp air numbs your senses and weighs you down, creating an atmosphere that is both invigorating and challenging for traveling.

March Average Humidity in South River

This chart illustrates the average monthly humidity levels in South River, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in South River is approximately 87%, offering insight into how humid the weather typically is during this month.

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

March UV Index in South River

In South River in March, 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 March

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

Data source: South River March 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 March 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 March’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 March’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