Chesterfield December Weather Averages Illinois, United States of America

December Weather Averages for Chesterfield

High Temp	6°C	42°F
Low Temp	-1°C	30°F
Avg Temp	2°C	36°F
Sunshine Hours	159 hours
Rainfall	78.72 mm	3.10 In
Rain days	7 days
Pressure	1020 mb	31 In

Chesterfield December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	3°C / 37°F	-4°C / 26°F	0°C / 31°F	145 hours	128.76 mm / 5.07 In	11 days	1018 mb / 31 In
2010	1°C / 33°F	-6°C / 22°F	-3°C / 27°F	103 hours	38.30 mm / 1.51 In	6 days	1021 mb / 31 In
2011	6°C / 43°F	0°C / 32°F	3°C / 38°F	204 hours	92.32 mm / 3.63 In	9 days	1022 mb / 31 In
2012	7°C / 45°F	0°C / 33°F	4°C / 38°F	142 hours	66.35 mm / 2.61 In	8 days	1017 mb / 30 In
2013	2°C / 36°F	-5°C / 23°F	-1°C / 30°F	150 hours	69.20 mm / 2.72 In	6 days	1021 mb / 31 In
2014	5°C / 40°F	-1°C / 31°F	2°C / 35°F	125 hours	55.10 mm / 2.17 In	7 days	1024 mb / 31 In
2015	9°C / 49°F	3°C / 37°F	6°C / 43°F	173 hours	182.12 mm / 7.17 In	6 days	1016 mb / 30 In
2016	3°C / 37°F	-4°C / 25°F	-1°C / 31°F	193 hours	36.50 mm / 1.44 In	8 days	1024 mb / 31 In
2017	4°C / 39°F	-3°C / 27°F	0°C / 32°F	183 hours	15.60 mm / 0.61 In	4 days	1022 mb / 31 In
2018	6°C / 43°F	-1°C / 31°F	3°C / 37°F	185 hours	125.64 mm / 4.95 In	7 days	1019 mb / 31 In
2019	7°C / 44°F	-1°C / 30°F	3°C / 37°F	169 hours	36.52 mm / 1.44 In	5 days	1018 mb / 31 In
2020	6°C / 42°F	-1°C / 29°F	2°C / 35°F	191 hours	42.93 mm / 1.69 In	5 days	1019 mb / 31 In
2021	12°C / 54°F	2°C / 36°F	7°C / 44°F	207 hours	79.50 mm / 3.13 In	8 days	1015 mb / 30 In
2022	5°C / 41°F	-3°C / 27°F	1°C / 34°F	92 hours	63.20 mm / 2.49 In	5 days	1019 mb / 31 In
2023	9°C / 48°F	2°C / 35°F	5°C / 41°F	158 hours	91.72 mm / 3.61 In	6 days	1019 mb / 31 In
2024	5°C / 41°F	-1°C / 31°F	2°C / 36°F	124 hours	135.76 mm / 5.34 In	4 days	1022 mb / 31 In

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