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
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Thu 14 Aug, 2025 Weather in Harrow

Sunrise: 06:39 AM Sunset: 08:33 PM	Moonrise: 11:07 PM Moonset: 12:50 PM	Max: 30.7 °c	Min: 17.9 °c	Avg: 23.6 °c	Precip: 0.00 mm	Max Wind: 13.7 kph

	Thu 14 0:00 am	Thu 14 3:00 am	Thu 14 6:00 am	Thu 14 9:00 am	Thu 14 12:00 pm	Thu 14 3:00 pm	Thu 14 6:00 pm	Thu 14 9:00 pm
Icon
Temp	20.8°c	18.7°c	17.9°c	19.9°c	27.5°c	30.7°c	29.0°c	24.1°c
Wind	11.9 kmph	13.0 kmph	12.6 kmph	13.7 kmph	9.4 kmph	11.2 kmph	13.0 kmph	8.3 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	0%	7%	100%	82%	6%	0%	0%	0%
Humidity	87%	89%	97%	96%	62%	46%	45%	64%
Pressure	1014 mb	1014 mb	1015 mb	1017 mb	1017 mb	1017 mb	1017 mb	1018 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	-3°C / 26°F	84 hours	78.04 mm / 3.07 In	9 days	1018 mb / 31 In
February	0°C / 33°F	-6°C / 22°F	-3°C / 27°F	90 hours	80.45 mm / 3.17 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	244 hours	88.58 mm / 3.49 In	7 days	1015 mb / 30 In
September	23°C / 73°F	16°C / 60°F	19°C / 66°F	225 hours	79.10 mm / 3.11 In	6 days	1017 mb / 31 In
October	16°C / 60°F	9°C / 49°F	12°C / 54°F	169 hours	93.14 mm / 3.67 In	7 days	1016 mb / 30 In
November	8°C / 47°F	3°C / 37°F	6°C / 42°F	158 hours	84.78 mm / 3.34 In	6 days	1019 mb / 31 In
December	3°C / 37°F	-1°C / 29°F	1°C / 33°F	95 hours	92.42 mm / 3.64 In	8 days	1018 mb / 31 In

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