March Weather in Markham, United States

Last updated: June 24, 2025

In March, the average temperature in Markham, United States hovers around 19°C (67°F). Temperatures can range from a brisk -1°C (31°F) to a warm 31°C (89°F). With an average humidity of 76%, the climate often feels moist, and you can expect about 70 mm (2.7 in) of precipitation spread over 10 days. Pack accordingly!

March Temperature in Markham

In March in Markham, the average temperature is 19°C (67°F), with maximums reaching 31°C (89°F) and minimums dropping as low as -1°C (31°F). This diverse range of temperatures makes Markham an ideal destination for travelers seeking various outdoor experiences, from warm sunny days to cooler evenings.

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 19°C (67°F), with highs reaching up to 31°C (89°F) and lows dropping to around -1°C (31°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 70 mm (2.7 in) spread over a span of 10 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 70 mm (2.7 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 Markham

In Markham in March, humidity is 76%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sluggish and requiring regular breaks to stay hydrated while exploring.

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 76%, 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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, 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 9, which falls under the very high 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	13°C (56°F)	73 mm (2.9 inches)	78%	moderate
February Weather	15°C (60°F)	72 mm (2.8 inches)	81%	very high
March Weather	19°C (67°F)	70 mm (2.7 inches)	76%	very high
April Weather	22°C (72°F)	71 mm (2.8 inches)	79%	extreme
May Weather	26°C (79°F)	137 mm (5.4 inches)	79%	extreme
June Weather	28°C (83°F)	157 mm (6.2 inches)	74%	extreme
July Weather	29°C (84°F)	145 mm (5.7 inches)	71%	extreme
August Weather	29°C (85°F)	171 mm (6.7 inches)	68%	extreme
September Weather	27°C (81°F)	165 mm (6.5 inches)	73%	extreme
October Weather	23°C (74°F)	74 mm (2.9 inches)	75%	very high
November Weather	18°C (64°F)	78 mm (3.1 inches)	78%	high
December Weather	15°C (60°F)	90 mm (3.5 inches)	84%	moderate