Washington December Weather Averages Pennsylvania, United States of America

December Weather Averages for Washington

High Temp	5°C	41°F
Low Temp	-2°C	29°F
Avg Temp	2°C	35°F
Sunshine Hours	93 hours
Rainfall	112.06 mm	4.41 In
Rain days	10 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	4°C / 40°F	-4°C / 25°F	0°C / 33°F	85 hours	140.87 mm / 5.55 In	13 days	1020 mb / 31 In
2009	3°C / 37°F	-4°C / 25°F	-1°C / 31°F	122 hours	87.82 mm / 3.46 In	9 days	1019 mb / 31 In
2010	-2°C / 29°F	-8°C / 18°F	-5°C / 23°F	24 hours	45.47 mm / 1.79 In	8 days	1018 mb / 31 In
2011	6°C / 43°F	0°C / 32°F	3°C / 37°F	147 hours	86.30 mm / 3.40 In	9 days	1022 mb / 31 In
2012	6°C / 44°F	1°C / 33°F	4°C / 38°F	80 hours	167.93 mm / 6.61 In	15 days	1017 mb / 30 In
2013	4°C / 39°F	-3°C / 27°F	1°C / 33°F	88 hours	124.10 mm / 4.89 In	11 days	1021 mb / 31 In
2014	5°C / 41°F	-1°C / 30°F	2°C / 35°F	110 hours	79.60 mm / 3.13 In	8 days	1022 mb / 31 In
2015	11°C / 51°F	4°C / 39°F	7°C / 45°F	54 hours	108.60 mm / 4.28 In	10 days	1018 mb / 31 In
2016	3°C / 38°F	-3°C / 26°F	0°C / 32°F	60 hours	102.94 mm / 4.05 In	10 days	1022 mb / 31 In
2017	2°C / 36°F	-4°C / 24°F	-1°C / 30°F	112 hours	50.70 mm / 2.00 In	7 days	1020 mb / 31 In
2018	6°C / 42°F	-1°C / 31°F	2°C / 36°F	110 hours	126.06 mm / 4.96 In	9 days	1020 mb / 31 In
2019	6°C / 43°F	-1°C / 31°F	3°C / 37°F	115 hours	130.63 mm / 5.14 In	11 days	1018 mb / 31 In
2020	3°C / 38°F	-3°C / 27°F	0°C / 33°F	59 hours	95.30 mm / 3.75 In	11 days	1018 mb / 31 In
2021	9°C / 49°F	1°C / 34°F	5°C / 41°F	125 hours	111.90 mm / 4.41 In	8 days	1018 mb / 31 In
2022	5°C / 41°F	-2°C / 28°F	1°C / 34°F	94 hours	61.10 mm / 2.41 In	12 days	1021 mb / 31 In
2023	8°C / 46°F	1°C / 34°F	4°C / 40°F	112 hours	133.10 mm / 5.24 In	7 days	1020 mb / 31 In
2024	4°C / 39°F	-1°C / 30°F	1°C / 34°F	83 hours	281.33 mm / 11.08 In	9 days	1023 mb / 31 In

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