March Weather in Smiths Falls, Canada

Last updated: June 18, 2025

In Smiths Falls, Canada, the average temperature in March hovers around -2°C (29°F). Expect a chill, with minimum temperatures dropping to -21°C (-6°F) and potential highs reaching 20°C (69°F). Rainfall can be expected, with 77 mm (3.0 in) of precipitation over 11 days. Additionally, the air is quite damp, featuring an average humidity of 86%. Stay prepared for a true winter experience!

March Temperature in Smiths Falls

In March in Smiths Falls, the average temperature is -2°C (29°F), with a maximum reaching 20°C (69°F) and a minimum dipping as low as -21°C (-6°F). Be sure to plan for a wide range of temperatures while exploring the beauty of Smiths Falls during this time.

March Weather in Smiths Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Smiths Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smiths Falls, March typically has an average temperature of -2°C (29°F), with highs reaching up to 20°C (69°F) and lows dropping to around -21°C (-6°F).

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

March Precipitation in Smiths Falls

In Smiths Falls in March, the precipitation amount is 77 mm (3.0 in) over the course of 11 days.

March Precipitation Trends in Smiths Falls

The chart displays monthly precipitation patterns in Smiths Falls, 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 Smiths Falls, March typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 11 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 Smiths Falls

In Smiths Falls in March humidity is 86%. With an average temperature of -2°C (29°F), this humidity feels like a damp chill that seeps through layers of clothing, making outdoor activities uncomfortable and travel plans challenging.

March Average Humidity in Smiths Falls

This chart illustrates the average monthly humidity levels in Smiths Falls, 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 Smiths Falls is approximately 86%, 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 Smiths Falls

In Smiths Falls 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 Smiths Falls.

Maximum UV Index Levels in Smiths Falls for March

The chart shows the monthly maximum UV Index (UVI) for Smiths Falls 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 Smiths Falls typically reaches 5, which falls under the moderate exposure category.

Data source: Smiths Falls 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 Smiths Falls Compares to Other Months

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

This table compares monthly weather conditions in Smiths Falls, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (19°F)	73 mm (2.9 inches)	93%	low
February Weather	-6°C (21°F)	74 mm (2.9 inches)	93%	moderate
March Weather	-2°C (29°F)	77 mm (3.0 inches)	86%	moderate
April Weather	6°C (43°F)	116 mm (4.6 inches)	82%	very high
May Weather	13°C (55°F)	103 mm (4.1 inches)	75%	very high
June Weather	18°C (64°F)	87 mm (3.4 inches)	68%	very high
July Weather	22°C (71°F)	113 mm (4.4 inches)	69%	very high
August Weather	20°C (69°F)	91 mm (3.6 inches)	67%	very high
September Weather	16°C (62°F)	57 mm (2.2 inches)	72%	high
October Weather	10°C (50°F)	130 mm (5.1 inches)	83%	moderate
November Weather	2°C (35°F)	91 mm (3.6 inches)	88%	moderate
December Weather	-4°C (25°F)	77 mm (3.0 inches)	89%	low