Charleston December Weather Averages Illinois, United States of America

December Weather Averages for Charleston

High Temp	5°C	41°F
Low Temp	-2°C	29°F
Avg Temp	2°C	35°F
Sunshine Hours	140 hours
Rainfall	90.98 mm	3.58 In
Rain days	7 days
Pressure	1020 mb	31 In

Charleston December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	3°C / 37°F	-5°C / 23°F	-1°C / 30°F	138 hours	110.37 mm / 4.35 In	9 days	1020 mb / 31 In
2009	3°C / 37°F	-3°C / 26°F	0°C / 31°F	150 hours	138.99 mm / 5.47 In	11 days	1018 mb / 31 In
2010	-1°C / 31°F	-7°C / 20°F	-4°C / 26°F	73 hours	59.99 mm / 2.36 In	9 days	1021 mb / 31 In
2011	6°C / 43°F	0°C / 32°F	3°C / 37°F	190 hours	93.36 mm / 3.68 In	9 days	1022 mb / 31 In
2012	7°C / 44°F	0°C / 32°F	3°C / 38°F	110 hours	86.42 mm / 3.40 In	9 days	1017 mb / 30 In
2013	2°C / 36°F	-5°C / 23°F	-1°C / 30°F	126 hours	91.26 mm / 3.59 In	8 days	1021 mb / 31 In
2014	4°C / 39°F	-1°C / 30°F	1°C / 34°F	118 hours	61.80 mm / 2.43 In	7 days	1024 mb / 31 In
2015	9°C / 48°F	3°C / 38°F	6°C / 43°F	156 hours	167.29 mm / 6.59 In	8 days	1017 mb / 31 In
2016	2°C / 36°F	-4°C / 24°F	-1°C / 30°F	167 hours	48.02 mm / 1.89 In	7 days	1024 mb / 31 In
2017	3°C / 38°F	-4°C / 25°F	-1°C / 31°F	173 hours	23.20 mm / 0.91 In	6 days	1022 mb / 31 In
2018	6°C / 43°F	-1°C / 31°F	2°C / 36°F	178 hours	111.13 mm / 4.38 In	7 days	1020 mb / 31 In
2019	6°C / 43°F	-1°C / 30°F	3°C / 37°F	156 hours	78.38 mm / 3.09 In	6 days	1019 mb / 31 In
2020	5°C / 41°F	-2°C / 29°F	1°C / 35°F	168 hours	62.98 mm / 2.48 In	5 days	1019 mb / 31 In
2021	11°C / 52°F	2°C / 36°F	6°C / 43°F	177 hours	73.30 mm / 2.89 In	9 days	1016 mb / 30 In
2022	4°C / 40°F	-3°C / 27°F	1°C / 33°F	80 hours	100.50 mm / 3.96 In	7 days	1019 mb / 31 In
2023	9°C / 47°F	2°C / 36°F	5°C / 41°F	142 hours	59.92 mm / 2.36 In	3 days	1019 mb / 31 In
2024	4°C / 39°F	-1°C / 30°F	1°C / 35°F	81 hours	199.08 mm / 7.84 In	6 days	1022 mb / 31 In

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