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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Thu 30 Jul, 2026 Weather in Sammamish

Sunrise: 05:43 AM Sunset: 08:46 PM	Moonrise: 09:30 PM Moonset: 07:00 AM	Max: 26.9 °c	Min: 8.3 °c	Avg: 17.7 °c	Precip: 0.00 mm	Max Wind: 9.7 kph

	Thu 30 0:00 am	Thu 30 3:00 am	Thu 30 6:00 am	Thu 30 9:00 am	Thu 30 12:00 pm	Thu 30 3:00 pm	Thu 30 6:00 pm	Thu 30 9:00 pm
Icon
Temp	14.8°c	12.8°c	8.3°c	16.9°c	22.9°c	26.7°c	26.2°c	14.7°c
Wind	2.5 kmph	3.2 kmph	5.4 kmph	4.7 kmph	6.8 kmph	5.8 kmph	7.2 kmph	7.2 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%	3%	0%	0%	0%	3%	2%
Humidity	64%	72%	92%	57%	33%	24%	25%	61%
Pressure	1017 mb	1017 mb	1018 mb	1019 mb	1018 mb	1017 mb	1016 mb	1019 mb

Sammamish Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	7°C / 45°F	2°C / 36°F	4°C / 40°F	114 hours	195.12 mm / 7.68 In	13 days	1019 mb / 31 In
February	7°C / 45°F	2°C / 35°F	4°C / 40°F	89 hours	139.22 mm / 5.48 In	11 days	1018 mb / 31 In
March	10°C / 50°F	3°C / 37°F	6°C / 43°F	98 hours	170.07 mm / 6.70 In	13 days	1016 mb / 30 In
April	13°C / 55°F	5°C / 40°F	9°C / 48°F	116 hours	117.56 mm / 4.63 In	10 days	1017 mb / 31 In
May	18°C / 64°F	8°C / 46°F	13°C / 55°F	156 hours	82.94 mm / 3.27 In	7 days	1017 mb / 30 In
June	21°C / 69°F	10°C / 51°F	16°C / 60°F	171 hours	66.45 mm / 2.62 In	5 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	157 hours	160.37 mm / 6.31 In	10 days	1017 mb / 31 In
November	9°C / 49°F	4°C / 40°F	7°C / 44°F	105 hours	230.87 mm / 9.09 In	13 days	1017 mb / 31 In
December	6°C / 43°F	2°C / 35°F	4°C / 39°F	96 hours	213.48 mm / 8.40 In	13 days	1018 mb / 31 In

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