March Weather in Markham, Canada

Last updated: June 18, 2025

In Markham, Canada, the average temperature in March hovers around 0°C (33°F), with a chilly minimum of -15°C (6°F) and a milder maximum of 13°C (56°F). Expect 75 mm (2.9 in) of precipitation spread across 11 days, and brace yourself for a high average humidity of 88%.

March Temperature in Markham

In March in Markham, the average temperature is 0°C (33°F). Maximum temperatures can reach 13°C (56°F), while minimums can drop as low as -15°C (6°F). Travelers should be prepared for cold conditions and pack accordingly to enjoy their stay.

March Weather in Markham: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Markham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Markham, March typically has an average temperature of 0°C (33°F), with highs reaching up to 13°C (56°F) and lows dropping to around -15°C (6°F).

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

March Precipitation in Markham

In Markham in March, the precipitation amount is 75 mm (2.9 in) over the course of 11 days.

March Precipitation Trends in Markham

The chart displays monthly precipitation patterns in Markham, 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 Markham, March typically receives around 75 mm (2.9 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 Markham

In Markham in March, humidity is 88%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm and dry.

March Average Humidity in Markham

This chart illustrates the average monthly humidity levels in Markham, 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 Markham is approximately 88%, 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 Markham

In Markham 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 Markham.

Maximum UV Index Levels in Markham for March

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

Data source: Markham 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 Markham Compares to Other Months

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

This table compares monthly weather conditions in Markham, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	80 mm (3.2 inches)	91%	low
February Weather	-3°C (28°F)	83 mm (3.3 inches)	91%	moderate
March Weather	0°C (33°F)	75 mm (2.9 inches)	88%	moderate
April Weather	5°C (41°F)	118 mm (4.6 inches)	88%	very high
May Weather	10°C (50°F)	103 mm (4.1 inches)	82%	very high
June Weather	16°C (62°F)	80 mm (3.1 inches)	79%	very high
July Weather	21°C (71°F)	73 mm (2.9 inches)	77%	very high
August Weather	21°C (71°F)	76 mm (3.0 inches)	72%	very high
September Weather	18°C (65°F)	69 mm (2.7 inches)	76%	high
October Weather	12°C (54°F)	115 mm (4.5 inches)	83%	moderate
November Weather	4°C (40°F)	96 mm (3.8 inches)	88%	moderate
December Weather	0°C (33°F)	91 mm (3.6 inches)	87%	low