Mount Vernon Weather History Illinois, United States of America

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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.
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Mon 23 Mar, 2026 Weather in Mount Vernon

Sunrise: 06:54 AM Sunset: 07:11 PM	Moonrise: 09:24 AM Moonset: No moonset	Max: 9.7 °c	Min: 1.7 °c	Avg: 6.1 °c	Precip: 0.00 mm	Max Wind: 25.9 kph

	Mon 23 0:00 am	Mon 23 3:00 am	Mon 23 6:00 am	Mon 23 9:00 am	Mon 23 12:00 pm	Mon 23 3:00 pm	Mon 23 6:00 pm	Mon 23 9:00 pm
Icon
Temp	8.0°c	4.8°c	2.1°c	1.8°c	5.6°c	9.6°c	9.3°c	7.8°c
Wind	24.8 kmph	24.1 kmph	22.3 kmph	23.0 kmph	20.5 kmph	24.1 kmph	16.9 kmph	15.5 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	100%	26%	68%	98%	73%	83%	97%	100%
Humidity	83%	82%	86%	87%	72%	60%	62%	70%
Pressure	1015 mb	1018 mb	1022 mb	1026 mb	1027 mb	1026 mb	1026 mb	1026 mb

Mount Vernon Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	4°C / 39°F	-4°C / 25°F	0°C / 32°F	149 hours	89.95 mm / 3.54 In	7 days	1021 mb / 31 In
February	7°C / 44°F	-2°C / 29°F	2°C / 36°F	134 hours	99.73 mm / 3.93 In	7 days	1020 mb / 31 In
March	13°C / 56°F	4°C / 39°F	8°C / 47°F	161 hours	120.34 mm / 4.74 In	8 days	1018 mb / 31 In
April	18°C / 65°F	9°C / 48°F	13°C / 56°F	167 hours	203.08 mm / 8.00 In	8 days	1015 mb / 30 In
May	24°C / 74°F	14°C / 58°F	19°C / 66°F	183 hours	187.50 mm / 7.38 In	10 days	1015 mb / 30 In
June	29°C / 84°F	19°C / 67°F	24°C / 75°F	226 hours	136.76 mm / 5.38 In	9 days	1014 mb / 30 In
July	30°C / 87°F	21°C / 70°F	25°C / 78°F	233 hours	123.99 mm / 4.88 In	9 days	1015 mb / 30 In
August	30°C / 85°F	20°C / 67°F	24°C / 76°F	241 hours	103.24 mm / 4.06 In	8 days	1015 mb / 30 In
September	27°C / 80°F	16°C / 62°F	21°C / 70°F	236 hours	101.13 mm / 3.98 In	5 days	1017 mb / 30 In
October	20°C / 68°F	10°C / 50°F	15°C / 59°F	223 hours	117.56 mm / 4.63 In	6 days	1017 mb / 31 In
November	12°C / 54°F	4°C / 39°F	8°C / 46°F	204 hours	105.79 mm / 4.16 In	5 days	1020 mb / 31 In
December	7°C / 45°F	0°C / 32°F	3°C / 38°F	159 hours	111.50 mm / 4.39 In	7 days	1020 mb / 31 In

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