Mount Vernon Weather History Washington, United States of America

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Daily and hourly data from 1 Jan 2009 onwards.
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Fri 18 Jul, 2025 Weather in Mount Vernon

Sunrise: 05:28 AM Sunset: 09:03 PM	Moonrise: 12:03 AM Moonset: 03:05 PM	Max: 19.3 °c	Min: 12.9 °c	Avg: 16.4 °c	Precip: 0.00 mm	Max Wind: 14.0 kph

	Fri 18 0:00 am	Fri 18 3:00 am	Fri 18 6:00 am	Fri 18 9:00 am	Fri 18 12:00 pm	Fri 18 3:00 pm	Fri 18 6:00 pm	Fri 18 9:00 pm
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Temp	15.6°c	15.0°c	15.5°c	17.7°c	19.2°c	18.8°c	16.3°c	13.2°c
Wind	9.4 kmph	5.4 kmph	4.7 kmph	13.3 kmph	14.0 kmph	9.4 kmph	11.9 kmph	5.8 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	2%	7%	36%	47%	57%	57%	32%	54%
Humidity	88%	91%	92%	84%	78%	79%	84%	91%
Pressure	1013 mb	1012 mb	1013 mb	1014 mb	1014 mb	1014 mb	1015 mb	1016 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	113 hours	177.05 mm / 6.97 In	13 days	1019 mb / 31 In
February	7°C / 44°F	2°C / 35°F	4°C / 40°F	92 hours	148.67 mm / 5.85 In	12 days	1018 mb / 31 In
March	9°C / 49°F	3°C / 38°F	6°C / 43°F	102 hours	167.02 mm / 6.58 In	13 days	1016 mb / 30 In
April	12°C / 53°F	5°C / 41°F	8°C / 47°F	118 hours	118.03 mm / 4.65 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	261 hours	19.53 mm / 0.77 In	2 days	1017 mb / 31 In
August	22°C / 71°F	13°C / 56°F	17°C / 63°F	261 hours	31.60 mm / 1.24 In	3 days	1016 mb / 30 In
September	19°C / 65°F	11°C / 52°F	15°C / 58°F	204 hours	95.01 mm / 3.74 In	7 days	1016 mb / 30 In
October	14°C / 56°F	8°C / 46°F	10°C / 51°F	156 hours	159.83 mm / 6.29 In	10 days	1017 mb / 31 In
November	9°C / 48°F	4°C / 40°F	7°C / 44°F	106 hours	248.11 mm / 9.77 In	14 days	1017 mb / 31 In
December	6°C / 43°F	2°C / 36°F	4°C / 39°F	95 hours	197.19 mm / 7.76 In	13 days	1018 mb / 31 In

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