Mount Vernon Weather History Washington, 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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Thu 16 Jul, 2026 Weather in Mount Vernon

Sunrise: 05:25 AM Sunset: 09:05 PM	Moonrise: 07:59 AM Moonset: 10:30 PM	Max: 22.0 °c	Min: 11.8 °c	Avg: 17.1 °c	Precip: 2.30 mm	Max Wind: 11.5 kph

	Thu 16 0:00 am	Thu 16 3:00 am	Thu 16 6:00 am	Thu 16 9:00 am	Thu 16 12:00 pm	Thu 16 3:00 pm	Thu 16 6:00 pm	Thu 16 9:00 pm
Icon
Temp	15.8°c	12.9°c	11.8°c	16.9°c	19.9°c	22.0°c	21.8°c	16.8°c
Wind	5.8 kmph	5.4 kmph	5.4 kmph	10.1 kmph	10.1 kmph	8.6 kmph	11.5 kmph	6.8 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.50 mm	0.00 mm	0.00 mm
Cloud	1%	1%	7%	5%	1%	85%	0%	0%
Humidity	73%	75%	92%	71%	60%	58%	60%	71%
Pressure	1014 mb	1014 mb	1014 mb	1014 mb	1014 mb	1014 mb	1013 mb	1015 mb

Mount Vernon Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	7°C / 44°F	2°C / 36°F	4°C / 40°F	112 hours	180.82 mm / 7.12 In	13 days	1019 mb / 31 In
February	7°C / 44°F	2°C / 35°F	4°C / 40°F	91 hours	147.40 mm / 5.80 In	11 days	1018 mb / 31 In
March	9°C / 49°F	3°C / 38°F	6°C / 43°F	99 hours	177.78 mm / 7.00 In	13 days	1016 mb / 30 In
April	12°C / 53°F	5°C / 41°F	8°C / 47°F	119 hours	117.84 mm / 4.64 In	10 days	1017 mb / 31 In
May	16°C / 60°F	8°C / 47°F	12°C / 53°F	171 hours	85.92 mm / 3.38 In	7 days	1017 mb / 30 In
June	18°C / 65°F	10°C / 51°F	14°C / 58°F	178 hours	51.84 mm / 2.04 In	5 days	1016 mb / 30 In
July	21°C / 70°F	13°C / 55°F	17°C / 62°F	253 hours	20.22 mm / 0.80 In	2 days	1017 mb / 31 In
August	21°C / 71°F	13°C / 56°F	17°C / 63°F	252 hours	39.94 mm / 1.57 In	3 days	1016 mb / 30 In
September	19°C / 65°F	11°C / 53°F	15°C / 58°F	196 hours	97.89 mm / 3.85 In	7 days	1016 mb / 30 In
October	14°C / 56°F	8°C / 46°F	10°C / 51°F	154 hours	163.40 mm / 6.43 In	10 days	1017 mb / 31 In
November	9°C / 48°F	5°C / 40°F	7°C / 44°F	104 hours	249.68 mm / 9.83 In	13 days	1017 mb / 31 In
December	6°C / 43°F	2°C / 36°F	4°C / 39°F	90 hours	217.72 mm / 8.57 In	13 days	1018 mb / 31 In

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