Bolton 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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Sun 19 Apr, 2026 Weather in Bolton

Sunrise: 06:29 AM Sunset: 08:08 PM	Moonrise: 07:20 AM Moonset: 11:37 PM	Max: 4.5 °c	Min: 0.2 °c	Avg: 2.6 °c	Precip: 0.00 mm	Max Wind: 27.7 kph

	Sun 19 0:00 am	Sun 19 3:00 am	Sun 19 6:00 am	Sun 19 9:00 am	Sun 19 12:00 pm	Sun 19 3:00 pm	Sun 19 6:00 pm	Sun 19 9:00 pm
Icon
Temp	3.8°c	1.7°c	0.5°c	1.8°c	3.9°c	4.5°c	3.3°c	1.5°c
Wind	10.1 kmph	13.0 kmph	11.2 kmph	19.1 kmph	25.9 kmph	25.2 kmph	23.0 kmph	20.2 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	38%	79%	94%	78%	84%	75%	39%	26%
Humidity	86%	89%	84%	69%	62%	60%	53%	53%
Pressure	1013 mb	1014 mb	1016 mb	1017 mb	1017 mb	1017 mb	1018 mb	1020 mb

Bolton Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-2°C / 28°F	-9°C / 16°F	-5°C / 22°F	72 hours	62.51 mm / 2.46 In	8 days	1017 mb / 31 In
February	-1°C / 29°F	-9°C / 16°F	-5°C / 23°F	77 hours	71.27 mm / 2.81 In	8 days	1017 mb / 31 In
March	4°C / 39°F	-3°C / 26°F	0°C / 32°F	110 hours	85.56 mm / 3.37 In	8 days	1017 mb / 31 In
April	10°C / 51°F	2°C / 35°F	6°C / 43°F	130 hours	100.77 mm / 3.97 In	9 days	1015 mb / 30 In
May	18°C / 64°F	8°C / 47°F	13°C / 56°F	183 hours	95.50 mm / 3.76 In	9 days	1015 mb / 30 In
June	23°C / 73°F	14°C / 56°F	18°C / 65°F	197 hours	99.15 mm / 3.90 In	8 days	1013 mb / 30 In
July	26°C / 79°F	17°C / 63°F	22°C / 71°F	225 hours	102.33 mm / 4.03 In	8 days	1014 mb / 30 In
August	25°C / 78°F	17°C / 62°F	21°C / 70°F	228 hours	77.02 mm / 3.03 In	7 days	1015 mb / 30 In
September	22°C / 72°F	13°C / 56°F	17°C / 63°F	209 hours	70.10 mm / 2.76 In	6 days	1017 mb / 31 In
October	14°C / 58°F	7°C / 45°F	11°C / 51°F	140 hours	89.76 mm / 3.53 In	8 days	1016 mb / 30 In
November	7°C / 45°F	1°C / 34°F	4°C / 39°F	131 hours	63.46 mm / 2.50 In	6 days	1018 mb / 31 In
December	1°C / 34°F	-4°C / 25°F	-1°C / 30°F	77 hours	83.87 mm / 3.30 In	8 days	1017 mb / 31 In

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