Washington December Weather Averages District of Columbia, United States of America

December Weather Averages for Washington

High Temp	9°C	47°F
Low Temp	1°C	35°F
Avg Temp	5°C	41°F
Sunshine Hours	182 hours
Rainfall	115.37 mm	4.54 In
Rain days	7 days
Pressure	1020 mb	31 In

Washington December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	8°C / 47°F	1°C / 33°F	4°C / 40°F	191 hours	93.00 mm / 3.66 In	6 days	1021 mb / 31 In
2009	6°C / 42°F	-1°C / 29°F	2°C / 36°F	212 hours	189.33 mm / 7.45 In	7 days	1019 mb / 31 In
2010	2°C / 36°F	-4°C / 25°F	-1°C / 30°F	216 hours	59.33 mm / 2.34 In	6 days	1015 mb / 30 In
2011	10°C / 51°F	2°C / 36°F	6°C / 43°F	235 hours	131.39 mm / 5.17 In	4 days	1022 mb / 31 In
2012	10°C / 50°F	3°C / 37°F	6°C / 43°F	188 hours	77.78 mm / 3.06 In	4 days	1017 mb / 31 In
2013	8°C / 46°F	0°C / 33°F	4°C / 39°F	172 hours	159.41 mm / 6.28 In	8 days	1021 mb / 31 In
2014	8°C / 46°F	1°C / 34°F	4°C / 40°F	161 hours	89.20 mm / 3.51 In	10 days	1022 mb / 31 In
2015	14°C / 57°F	7°C / 44°F	10°C / 50°F	137 hours	115.31 mm / 4.54 In	9 days	1019 mb / 31 In
2016	8°C / 46°F	0°C / 32°F	4°C / 39°F	185 hours	72.22 mm / 2.84 In	6 days	1022 mb / 31 In
2017	7°C / 45°F	0°C / 32°F	3°C / 38°F	205 hours	35.20 mm / 1.39 In	4 days	1020 mb / 31 In
2018	9°C / 48°F	2°C / 36°F	6°C / 42°F	154 hours	130.90 mm / 5.15 In	9 days	1020 mb / 31 In
2019	9°C / 48°F	2°C / 36°F	5°C / 41°F	185 hours	90.00 mm / 3.54 In	10 days	1019 mb / 31 In
2020	8°C / 46°F	1°C / 34°F	4°C / 40°F	185 hours	195.32 mm / 7.69 In	5 days	1018 mb / 31 In
2021	12°C / 54°F	4°C / 40°F	8°C / 46°F	186 hours	37.20 mm / 1.46 In	3 days	1019 mb / 31 In
2022	8°C / 47°F	0°C / 32°F	4°C / 39°F	170 hours	109.90 mm / 4.33 In	6 days	1022 mb / 31 In
2023	11°C / 51°F	4°C / 39°F	7°C / 44°F	164 hours	183.12 mm / 7.21 In	8 days	1021 mb / 31 In
2024	7°C / 44°F	1°C / 33°F	4°C / 39°F	151 hours	170.33 mm / 6.71 In	5 days	1023 mb / 31 In

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