Sammamish December Weather Averages Washington, United States of America

December Weather Averages for Sammamish

High Temp	7°C	44°F
Low Temp	2°C	35°F
Avg Temp	4°C	39°F
Sunshine Hours	102 hours
Rainfall	193.89 mm	7.63 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
2008	4°C / 39°F	-2°C / 29°F	1°C / 34°F	132 hours	162.88 mm / 6.41 In	15 days	1017 mb / 31 In
2009	5°C / 42°F	-1°C / 31°F	2°C / 35°F	214 hours	76.00 mm / 2.99 In	8 days	1020 mb / 31 In
2010	6°C / 43°F	1°C / 34°F	4°C / 38°F	100 hours	212.70 mm / 8.37 In	18 days	1013 mb / 30 In
2011	7°C / 45°F	1°C / 33°F	3°C / 37°F	208 hours	76.50 mm / 3.01 In	7 days	1025 mb / 31 In
2012	6°C / 42°F	2°C / 35°F	3°C / 38°F	61 hours	229.60 mm / 9.04 In	19 days	1013 mb / 30 In
2013	5°C / 41°F	0°C / 31°F	2°C / 36°F	156 hours	96.17 mm / 3.79 In	9 days	1025 mb / 31 In
2014	8°C / 46°F	2°C / 36°F	5°C / 40°F	138 hours	177.30 mm / 6.98 In	11 days	1017 mb / 31 In
2015	7°C / 44°F	2°C / 36°F	4°C / 40°F	58 hours	277.38 mm / 10.92 In	15 days	1013 mb / 30 In
2016	4°C / 39°F	-1°C / 31°F	2°C / 35°F	89 hours	152.70 mm / 6.01 In	15 days	1021 mb / 31 In
2017	8°C / 46°F	2°C / 35°F	4°C / 39°F	154 hours	174.84 mm / 6.88 In	11 days	1026 mb / 31 In
2018	8°C / 47°F	3°C / 37°F	5°C / 41°F	112 hours	189.30 mm / 7.45 In	11 days	1019 mb / 31 In
2019	8°C / 47°F	4°C / 38°F	6°C / 42°F	31 hours	201.69 mm / 7.94 In	10 days	1016 mb / 30 In
2020	8°C / 46°F	3°C / 37°F	5°C / 42°F	103 hours	211.03 mm / 8.31 In	15 days	1020 mb / 31 In
2021	4°C / 40°F	0°C / 32°F	2°C / 36°F	42 hours	195.00 mm / 7.68 In	17 days	1012 mb / 30 In
2022	4°C / 40°F	-1°C / 31°F	2°C / 35°F	56 hours	197.00 mm / 7.76 In	14 days	1015 mb / 30 In
2023	9°C / 48°F	4°C / 39°F	6°C / 42°F	75 hours	258.88 mm / 10.19 In	14 days	1016 mb / 30 In
2024	8°C / 46°F	5°C / 40°F	6°C / 43°F	32 hours	376.17 mm / 14.81 In	12 days	1018 mb / 31 In

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