Issaquah December Weather Averages Washington, United States of America

December Weather Averages for Issaquah

High Temp	7°C	44°F
Low Temp	1°C	34°F
Avg Temp	3°C	38°F
Sunshine Hours	103 hours
Rainfall	196.86 mm	7.75 In
Rain days	13 days
Pressure	1018 mb	31 In

Issaquah December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	4°C / 38°F	-2°C / 28°F	1°C / 33°F	128 hours	160.80 mm / 6.33 In	15 days	1017 mb / 31 In
2009	5°C / 41°F	-2°C / 29°F	1°C / 34°F	213 hours	76.00 mm / 2.99 In	8 days	1020 mb / 31 In
2010	7°C / 44°F	1°C / 34°F	3°C / 38°F	120 hours	213.74 mm / 8.42 In	18 days	1013 mb / 30 In
2011	7°C / 44°F	0°C / 33°F	3°C / 37°F	208 hours	76.50 mm / 3.01 In	7 days	1026 mb / 31 In
2012	6°C / 42°F	1°C / 34°F	3°C / 38°F	63 hours	230.67 mm / 9.08 In	21 days	1013 mb / 30 In
2013	5°C / 41°F	-1°C / 31°F	2°C / 35°F	162 hours	93.58 mm / 3.68 In	9 days	1025 mb / 31 In
2014	8°C / 46°F	2°C / 36°F	4°C / 40°F	140 hours	177.30 mm / 6.98 In	11 days	1018 mb / 31 In
2015	6°C / 44°F	2°C / 35°F	4°C / 39°F	56 hours	282.98 mm / 11.14 In	16 days	1013 mb / 30 In
2016	4°C / 39°F	-1°C / 30°F	1°C / 34°F	76 hours	152.70 mm / 6.01 In	15 days	1021 mb / 31 In
2017	7°C / 45°F	1°C / 34°F	4°C / 38°F	147 hours	173.60 mm / 6.83 In	11 days	1026 mb / 31 In
2018	8°C / 47°F	2°C / 36°F	5°C / 40°F	109 hours	191.56 mm / 7.54 In	11 days	1019 mb / 31 In
2019	8°C / 46°F	3°C / 37°F	5°C / 42°F	30 hours	202.53 mm / 7.97 In	10 days	1016 mb / 30 In
2020	8°C / 46°F	2°C / 35°F	5°C / 41°F	111 hours	207.70 mm / 8.18 In	15 days	1020 mb / 31 In
2021	4°C / 40°F	0°C / 32°F	2°C / 36°F	39 hours	195.00 mm / 7.68 In	17 days	1012 mb / 30 In
2022	4°C / 40°F	-1°C / 30°F	1°C / 34°F	57 hours	197.00 mm / 7.76 In	16 days	1015 mb / 30 In
2023	9°C / 48°F	3°C / 37°F	5°C / 41°F	72 hours	283.42 mm / 11.16 In	15 days	1016 mb / 30 In
2024	8°C / 47°F	4°C / 40°F	6°C / 43°F	42 hours	395.48 mm / 15.57 In	13 days	1018 mb / 31 In

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