Sammamish 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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Wed 22 Oct, 2025 Weather in Sammamish

Sunrise: 07:38 AM Sunset: 06:06 PM	Moonrise: 09:08 AM Moonset: 06:12 PM	Max: 20.3 °c	Min: 9.8 °c	Avg: 13.8 °c	Precip: 0.00 mm	Max Wind: 15.8 kph

	Wed 22 0:00 am	Wed 22 3:00 am	Wed 22 6:00 am	Wed 22 9:00 am	Wed 22 12:00 pm	Wed 22 3:00 pm	Wed 22 6:00 pm	Wed 22 9:00 pm
Icon
Temp	9.8°c	10.0°c	10.0°c	12.5°c	18.2°c	20.1°c	16.4°c	13.3°c
Wind	3.6 kmph	3.6 kmph	4.7 kmph	5.0 kmph	9.7 kmph	15.8 kmph	4.7 kmph	8.3 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	0%	0%	0%	12%	21%	31%	70%	100%
Humidity	63%	54%	49%	48%	42%	43%	62%	79%
Pressure	1014 mb	1013 mb	1012 mb	1010 mb	1009 mb	1009 mb	1012 mb	1015 mb

Sammamish 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	114 hours	195.69 mm / 7.70 In	13 days	1019 mb / 31 In
February	7°C / 45°F	1°C / 35°F	4°C / 40°F	90 hours	141.29 mm / 5.56 In	11 days	1018 mb / 31 In
March	10°C / 50°F	3°C / 37°F	6°C / 43°F	101 hours	160.37 mm / 6.31 In	13 days	1016 mb / 30 In
April	13°C / 55°F	5°C / 40°F	9°C / 48°F	115 hours	119.71 mm / 4.71 In	10 days	1017 mb / 31 In
May	17°C / 63°F	8°C / 46°F	13°C / 55°F	165 hours	84.64 mm / 3.33 In	8 days	1017 mb / 30 In
June	21°C / 69°F	10°C / 51°F	15°C / 60°F	181 hours	66.83 mm / 2.63 In	6 days	1016 mb / 30 In
July	25°C / 77°F	13°C / 56°F	19°C / 66°F	257 hours	19.94 mm / 0.78 In	2 days	1017 mb / 31 In
August	25°C / 77°F	14°C / 57°F	19°C / 66°F	261 hours	34.08 mm / 1.34 In	3 days	1016 mb / 30 In
September	21°C / 70°F	12°C / 53°F	16°C / 61°F	204 hours	77.89 mm / 3.07 In	6 days	1016 mb / 30 In
October	15°C / 59°F	8°C / 46°F	11°C / 52°F	158 hours	159.24 mm / 6.27 In	10 days	1017 mb / 31 In
November	9°C / 49°F	4°C / 40°F	7°C / 44°F	109 hours	221.82 mm / 8.73 In	13 days	1017 mb / 31 In
December	6°C / 43°F	2°C / 35°F	4°C / 39°F	101 hours	200.97 mm / 7.91 In	13 days	1018 mb / 31 In

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