Chatham December Weather Averages Illinois, United States of America

December Weather Averages for Chatham

High Temp	5°C	41°F
Low Temp	-2°C	29°F
Avg Temp	2°C	35°F
Sunshine Hours	157 hours
Rainfall	72.02 mm	2.84 In
Rain days	6 days
Pressure	1020 mb	31 In

Chatham December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	2°C / 36°F	-6°C / 22°F	-1°C / 29°F	155 hours	90.90 mm / 3.58 In	7 days	1020 mb / 31 In
2009	3°C / 37°F	-4°C / 25°F	-1°C / 30°F	136 hours	114.83 mm / 4.52 In	11 days	1018 mb / 31 In
2010	0°C / 32°F	-6°C / 21°F	-3°C / 27°F	102 hours	38.40 mm / 1.51 In	7 days	1021 mb / 31 In
2011	6°C / 43°F	0°C / 31°F	3°C / 37°F	206 hours	78.90 mm / 3.11 In	9 days	1022 mb / 31 In
2012	7°C / 44°F	0°C / 32°F	3°C / 38°F	126 hours	63.03 mm / 2.48 In	6 days	1017 mb / 30 In
2013	2°C / 35°F	-6°C / 22°F	-2°C / 29°F	148 hours	61.00 mm / 2.40 In	7 days	1021 mb / 31 In
2014	4°C / 40°F	-1°C / 30°F	1°C / 34°F	127 hours	44.10 mm / 1.74 In	6 days	1024 mb / 31 In
2015	9°C / 48°F	2°C / 36°F	6°C / 42°F	167 hours	174.94 mm / 6.89 In	7 days	1016 mb / 30 In
2016	2°C / 36°F	-4°C / 24°F	-1°C / 30°F	183 hours	30.30 mm / 1.19 In	7 days	1023 mb / 31 In
2017	3°C / 38°F	-3°C / 26°F	0°C / 31°F	185 hours	15.60 mm / 0.61 In	4 days	1022 mb / 31 In
2018	6°C / 43°F	-1°C / 30°F	2°C / 36°F	185 hours	111.82 mm / 4.40 In	7 days	1019 mb / 31 In
2019	7°C / 44°F	-1°C / 30°F	3°C / 37°F	196 hours	32.60 mm / 1.28 In	3 days	1018 mb / 31 In
2020	5°C / 42°F	-2°C / 29°F	2°C / 35°F	192 hours	43.48 mm / 1.71 In	5 days	1018 mb / 31 In
2021	12°C / 53°F	2°C / 35°F	6°C / 43°F	200 hours	64.50 mm / 2.54 In	7 days	1015 mb / 30 In
2022	5°C / 41°F	-3°C / 26°F	1°C / 33°F	94 hours	59.40 mm / 2.34 In	5 days	1019 mb / 31 In
2023	8°C / 47°F	2°C / 36°F	5°C / 41°F	153 hours	98.93 mm / 3.89 In	7 days	1019 mb / 31 In
2024	4°C / 40°F	-1°C / 30°F	2°C / 35°F	105 hours	120.47 mm / 4.74 In	3 days	1022 mb / 31 In

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