Harrow 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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Fri 20 Mar, 2026 Weather in Harrow

Sunrise: 07:35 AM Sunset: 07:44 PM	Moonrise: 08:06 AM Moonset: 10:05 PM	Max: 14.1 °c	Min: 0.8 °c	Avg: 6.1 °c	Precip: 0.00 mm	Max Wind: 22.7 kph

	Fri 20 0:00 am	Fri 20 3:00 am	Fri 20 6:00 am	Fri 20 9:00 am	Fri 20 12:00 pm	Fri 20 3:00 pm	Fri 20 6:00 pm	Fri 20 9:00 pm
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Temp	1.4°c	0.9°c	1.9°c	4.3°c	8.4°c	12.9°c	11.5°c	7.6°c
Wind	12.2 kmph	11.5 kmph	10.1 kmph	18.0 kmph	22.0 kmph	12.6 kmph	17.3 kmph	16.6 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	90%	100%	100%	100%	89%	67%	75%	98%
Humidity	96%	97%	98%	97%	92%	81%	82%	89%
Pressure	1020 mb	1017 mb	1014 mb	1011 mb	1007 mb	1004 mb	1006 mb	1009 mb

Harrow Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-1°C / 30°F	-6°C / 21°F	-4°C / 26°F	83 hours	74.89 mm / 2.95 In	9 days	1018 mb / 31 In
February	0°C / 33°F	-6°C / 22°F	-3°C / 27°F	88 hours	78.14 mm / 3.08 In	8 days	1019 mb / 31 In
March	6°C / 43°F	-1°C / 31°F	2°C / 36°F	134 hours	105.12 mm / 4.14 In	7 days	1018 mb / 31 In
April	12°C / 53°F	5°C / 40°F	8°C / 46°F	138 hours	136.46 mm / 5.37 In	10 days	1015 mb / 30 In
May	18°C / 65°F	11°C / 52°F	15°C / 59°F	184 hours	123.49 mm / 4.86 In	9 days	1015 mb / 30 In
June	24°C / 75°F	17°C / 62°F	20°C / 69°F	211 hours	132.43 mm / 5.21 In	9 days	1013 mb / 30 In
July	27°C / 80°F	20°C / 67°F	23°C / 74°F	235 hours	111.90 mm / 4.41 In	8 days	1015 mb / 30 In
August	26°C / 79°F	19°C / 66°F	22°C / 72°F	241 hours	85.46 mm / 3.36 In	7 days	1015 mb / 30 In
September	23°C / 73°F	16°C / 60°F	19°C / 66°F	222 hours	82.24 mm / 3.24 In	6 days	1017 mb / 31 In
October	16°C / 60°F	9°C / 49°F	12°C / 54°F	168 hours	93.57 mm / 3.68 In	7 days	1016 mb / 30 In
November	8°C / 47°F	3°C / 37°F	6°C / 42°F	155 hours	85.38 mm / 3.36 In	6 days	1019 mb / 31 In
December	3°C / 37°F	-2°C / 29°F	0°C / 33°F	93 hours	97.56 mm / 3.84 In	8 days	1018 mb / 31 In

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