Markham Weather History Ontario, Canada

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
Yearly Monthly Averages
Monthly Climate Data
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Sun 18 May, 2025 Weather in Markham

Sunrise: 05:48 AM Sunset: 08:40 PM	Moonrise: 01:29 AM Moonset: 10:27 AM	Max: 11.8 °c	Min: 7.7 °c	Avg: 9.9 °c	Precip: 13.12 mm	Max Wind: 31.0 kph

	Sun 18 0:00 am	Sun 18 3:00 am	Sun 18 6:00 am	Sun 18 9:00 am	Sun 18 12:00 pm	Sun 18 3:00 pm	Sun 18 6:00 pm	Sun 18 9:00 pm
Icon
Temp	10.3°c	9.9°c	9.2°c	9.5°c	10.6°c	11.6°c	10.5°c	8.2°c
Wind	22.7 kmph	24.1 kmph	20.9 kmph	23.0 kmph	29.9 kmph	28.4 kmph	22.7 kmph	18.0 kmph
Precip	2.45 mm	1.81 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	100%	83%	75%	74%	79%	56%	13%	17%
Humidity	93%	91%	88%	87%	79%	70%	69%	75%
Pressure	1000 mb	1000 mb	1001 mb	1003 mb	1005 mb	1007 mb	1009 mb	1011 mb

Markham Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-2°C / 28°F	-9°C / 17°F	-5°C / 22°F	69 hours	60.57 mm / 2.38 In	9 days	1017 mb / 31 In
February	-1°C / 29°F	-8°C / 17°F	-5°C / 23°F	79 hours	69.15 mm / 2.72 In	9 days	1017 mb / 31 In
March	4°C / 38°F	-3°C / 26°F	0°C / 32°F	114 hours	78.38 mm / 3.09 In	8 days	1017 mb / 31 In
April	10°C / 50°F	2°C / 36°F	6°C / 43°F	128 hours	100.76 mm / 3.97 In	9 days	1015 mb / 30 In
May	17°C / 63°F	8°C / 47°F	13°C / 55°F	191 hours	79.07 mm / 3.11 In	9 days	1015 mb / 30 In
June	22°C / 71°F	13°C / 56°F	18°C / 64°F	199 hours	103.44 mm / 4.07 In	9 days	1013 mb / 30 In
July	25°C / 78°F	17°C / 62°F	21°C / 70°F	228 hours	93.68 mm / 3.69 In	9 days	1014 mb / 30 In
August	25°C / 77°F	17°C / 62°F	21°C / 69°F	231 hours	78.65 mm / 3.10 In	7 days	1014 mb / 30 In
September	22°C / 71°F	13°C / 56°F	17°C / 63°F	213 hours	71.89 mm / 2.83 In	6 days	1017 mb / 31 In
October	14°C / 57°F	7°C / 45°F	11°C / 51°F	137 hours	85.88 mm / 3.38 In	8 days	1016 mb / 30 In
November	7°C / 45°F	1°C / 34°F	4°C / 39°F	133 hours	62.67 mm / 2.47 In	7 days	1018 mb / 31 In
December	1°C / 34°F	-3°C / 26°F	-1°C / 30°F	75 hours	77.61 mm / 3.06 In	9 days	1017 mb / 31 In

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