Sammamish December Weather Averages Washington, United States of America

December Weather Averages for Sammamish

High Temp	6°C	43°F
Low Temp	2°C	35°F
Avg Temp	4°C	39°F
Sunshine Hours	101 hours
Rainfall	200.97 mm	7.91 In
Rain days	13 days
Pressure	1018 mb	31 In

Sammamish December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	6°C / 42°F	0°C / 32°F	2°C / 36°F	212 hours	76.00 mm / 2.99 In	8 days	1020 mb / 31 In
2010	7°C / 45°F	2°C / 35°F	4°C / 39°F	112 hours	215.50 mm / 8.48 In	18 days	1013 mb / 30 In
2011	5°C / 42°F	1°C / 33°F	3°C / 37°F	203 hours	82.55 mm / 3.25 In	7 days	1025 mb / 31 In
2012	5°C / 40°F	2°C / 35°F	3°C / 38°F	55 hours	230.73 mm / 9.08 In	19 days	1013 mb / 30 In
2013	4°C / 39°F	0°C / 32°F	2°C / 35°F	156 hours	100.91 mm / 3.97 In	9 days	1025 mb / 31 In
2014	7°C / 44°F	2°C / 36°F	4°C / 40°F	130 hours	177.30 mm / 6.98 In	11 days	1018 mb / 31 In
2015	6°C / 42°F	2°C / 36°F	4°C / 39°F	68 hours	321.69 mm / 12.67 In	15 days	1013 mb / 30 In
2016	3°C / 38°F	0°C / 32°F	2°C / 35°F	82 hours	156.83 mm / 6.17 In	14 days	1021 mb / 31 In
2017	6°C / 44°F	2°C / 35°F	4°C / 39°F	154 hours	189.43 mm / 7.46 In	11 days	1026 mb / 31 In
2018	7°C / 44°F	3°C / 37°F	5°C / 41°F	107 hours	200.95 mm / 7.91 In	11 days	1019 mb / 31 In
2019	7°C / 45°F	4°C / 39°F	6°C / 42°F	41 hours	238.25 mm / 9.38 In	10 days	1016 mb / 30 In
2020	8°C / 46°F	3°C / 37°F	5°C / 42°F	99 hours	221.77 mm / 8.73 In	15 days	1020 mb / 31 In
2021	4°C / 39°F	0°C / 32°F	2°C / 35°F	39 hours	195.00 mm / 7.68 In	17 days	1011 mb / 30 In
2022	4°C / 40°F	-1°C / 31°F	2°C / 35°F	59 hours	197.00 mm / 7.76 In	15 days	1015 mb / 30 In
2023	9°C / 48°F	4°C / 39°F	6°C / 43°F	73 hours	249.01 mm / 9.80 In	14 days	1016 mb / 30 In
2024	8°C / 46°F	5°C / 40°F	6°C / 43°F	27 hours	362.55 mm / 14.27 In	12 days	1018 mb / 31 In

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