Mountlake Terrace December Weather Averages Washington, United States of America

December Weather Averages for Mountlake Terrace

High Temp	6°C	43°F
Low Temp	2°C	36°F
Avg Temp	4°C	39°F
Sunshine Hours	109 hours
Rainfall	183.73 mm	7.23 In
Rain days	13 days
Pressure	1018 mb	31 In

Mountlake Terrace December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	5°C / 41°F	1°C / 33°F	3°C / 37°F	194 hours	77.40 mm / 3.05 In	8 days	1020 mb / 31 In
2010	7°C / 44°F	3°C / 37°F	4°C / 40°F	116 hours	214.32 mm / 8.44 In	18 days	1012 mb / 30 In
2011	7°C / 44°F	2°C / 35°F	4°C / 39°F	212 hours	77.64 mm / 3.06 In	7 days	1025 mb / 31 In
2012	6°C / 42°F	3°C / 37°F	4°C / 39°F	65 hours	230.82 mm / 9.09 In	19 days	1012 mb / 30 In
2013	5°C / 41°F	1°C / 34°F	3°C / 37°F	130 hours	97.92 mm / 3.85 In	9 days	1025 mb / 31 In
2014	8°C / 46°F	3°C / 38°F	5°C / 41°F	138 hours	177.30 mm / 6.98 In	11 days	1017 mb / 31 In
2015	7°C / 44°F	4°C / 38°F	5°C / 41°F	67 hours	293.90 mm / 11.57 In	15 days	1013 mb / 30 In
2016	4°C / 39°F	1°C / 33°F	2°C / 36°F	111 hours	154.15 mm / 6.07 In	13 days	1021 mb / 31 In
2017	7°C / 45°F	3°C / 37°F	4°C / 40°F	148 hours	177.86 mm / 7.00 In	11 days	1025 mb / 31 In
2018	8°C / 47°F	4°C / 39°F	6°C / 42°F	124 hours	193.28 mm / 7.61 In	11 days	1019 mb / 31 In
2019	8°C / 46°F	4°C / 40°F	6°C / 43°F	39 hours	218.90 mm / 8.62 In	10 days	1016 mb / 30 In
2020	8°C / 46°F	3°C / 38°F	5°C / 42°F	101 hours	224.35 mm / 8.83 In	15 days	1020 mb / 31 In
2021	4°C / 40°F	1°C / 33°F	2°C / 36°F	57 hours	195.00 mm / 7.68 In	17 days	1011 mb / 30 In
2022	4°C / 40°F	0°C / 31°F	2°C / 36°F	54 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	77 hours	226.13 mm / 8.90 In	13 days	1016 mb / 30 In

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