Sumner 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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Fri 25 Sep, 2026 Weather in Sumner

Sunrise: 06:59 AM Sunset: 07:01 PM	Moonrise: 06:30 PM Moonset: 06:02 AM	Max: 14.7 °c	Min: 10.1 °c	Avg: 12.2 °c	Precip: 14.36 mm	Max Wind: 33.1 kph

	Fri 25 0:00 am	Fri 25 3:00 am	Fri 25 6:00 am	Fri 25 9:00 am	Fri 25 12:00 pm	Fri 25 3:00 pm	Fri 25 6:00 pm	Fri 25 9:00 pm
Icon
Temp	10.8°c	12.5°c	11.5°c	13.6°c	10.8°c	11.6°c	13.6°c	11.1°c
Wind	4.3 kmph	2.5 kmph	2.2 kmph	28.4 kmph	31.7 kmph	25.2 kmph	22.0 kmph	15.1 kmph
Precip	2.50 mm	0.20 mm	0.00 mm	0.00 mm	1.50 mm	0.00 mm	0.10 mm	0.00 mm
Cloud	100%	100%	83%	80%	100%	100%	76%	0%
Humidity	87%	99%	98%	77%	91%	89%	62%	72%
Pressure	1010 mb	1006 mb	1006 mb	1007 mb	1008 mb	1013 mb	1016 mb	1019 mb

Sumner Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	7°C / 45°F	1°C / 34°F	4°C / 39°F	116 hours	205.00 mm / 8.07 In	13 days	1019 mb / 31 In
February	7°C / 45°F	1°C / 33°F	4°C / 39°F	90 hours	162.65 mm / 6.40 In	12 days	1018 mb / 31 In
March	10°C / 49°F	2°C / 35°F	5°C / 42°F	99 hours	191.81 mm / 7.55 In	14 days	1016 mb / 30 In
April	13°C / 55°F	4°C / 39°F	8°C / 46°F	116 hours	122.94 mm / 4.84 In	11 days	1018 mb / 31 In
May	17°C / 63°F	7°C / 44°F	12°C / 53°F	154 hours	83.59 mm / 3.29 In	8 days	1017 mb / 31 In
June	20°C / 69°F	9°C / 49°F	15°C / 59°F	176 hours	57.61 mm / 2.27 In	6 days	1016 mb / 30 In
July	25°C / 76°F	12°C / 53°F	18°C / 65°F	253 hours	13.10 mm / 0.52 In	2 days	1017 mb / 31 In
August	25°C / 77°F	13°C / 55°F	18°C / 65°F	256 hours	34.24 mm / 1.35 In	2 days	1016 mb / 30 In
September	21°C / 70°F	10°C / 51°F	15°C / 59°F	207 hours	74.79 mm / 2.94 In	6 days	1016 mb / 30 In
October	15°C / 59°F	7°C / 44°F	10°C / 50°F	165 hours	160.79 mm / 6.33 In	10 days	1017 mb / 31 In
November	9°C / 49°F	3°C / 38°F	6°C / 43°F	108 hours	232.35 mm / 9.15 In	13 days	1018 mb / 31 In
December	6°C / 43°F	1°C / 34°F	3°C / 38°F	104 hours	241.37 mm / 9.50 In	14 days	1018 mb / 31 In

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