Washington December Weather Averages Illinois, United States of America

December Weather Averages for Washington

High Temp	4°C	39°F
Low Temp	-3°C	27°F
Avg Temp	0°C	32°F
Sunshine Hours	144 hours
Rainfall	68.51 mm	2.70 In
Rain days	6 days
Pressure	1019 mb	31 In

Washington December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	0°C / 33°F	-8°C / 17°F	-4°C / 26°F	148 hours	128.43 mm / 5.06 In	10 days	1020 mb / 31 In
2009	1°C / 34°F	-5°C / 23°F	-2°C / 28°F	103 hours	109.46 mm / 4.31 In	12 days	1018 mb / 31 In
2010	-2°C / 28°F	-9°C / 16°F	-5°C / 23°F	62 hours	75.77 mm / 2.98 In	8 days	1021 mb / 31 In
2011	5°C / 41°F	-1°C / 30°F	2°C / 35°F	200 hours	59.15 mm / 2.33 In	5 days	1021 mb / 31 In
2012	5°C / 41°F	-1°C / 30°F	2°C / 36°F	108 hours	55.10 mm / 2.17 In	5 days	1016 mb / 30 In
2013	0°C / 32°F	-8°C / 18°F	-4°C / 25°F	121 hours	46.80 mm / 1.84 In	6 days	1021 mb / 31 In
2014	3°C / 38°F	-2°C / 28°F	0°C / 33°F	119 hours	25.50 mm / 1.00 In	3 days	1023 mb / 31 In
2015	8°C / 46°F	2°C / 35°F	5°C / 40°F	139 hours	159.99 mm / 6.30 In	8 days	1016 mb / 30 In
2016	0°C / 33°F	-6°C / 21°F	-3°C / 27°F	150 hours	37.30 mm / 1.47 In	7 days	1023 mb / 31 In
2017	2°C / 35°F	-5°C / 23°F	-2°C / 29°F	185 hours	21.50 mm / 0.85 In	3 days	1022 mb / 31 In
2018	5°C / 41°F	-2°C / 29°F	1°C / 34°F	184 hours	122.87 mm / 4.84 In	6 days	1019 mb / 31 In
2019	5°C / 42°F	-2°C / 29°F	2°C / 35°F	199 hours	29.40 mm / 1.16 In	2 days	1018 mb / 31 In
2020	4°C / 39°F	-3°C / 27°F	0°C / 32°F	215 hours	54.51 mm / 2.15 In	4 days	1018 mb / 31 In
2021	10°C / 49°F	0°C / 32°F	4°C / 40°F	210 hours	69.10 mm / 2.72 In	4 days	1015 mb / 30 In
2022	3°C / 38°F	-5°C / 24°F	-1°C / 31°F	95 hours	62.20 mm / 2.45 In	6 days	1019 mb / 31 In
2023	7°C / 45°F	1°C / 35°F	4°C / 40°F	125 hours	76.18 mm / 3.00 In	7 days	1018 mb / 31 In
2024	2°C / 36°F	-2°C / 28°F	0°C / 32°F	87 hours	91.28 mm / 3.59 In	4 days	1022 mb / 31 In

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