Grand Chain December Weather Averages Illinois, United States of America

December Weather Averages for Grand Chain

High Temp	8°C	47°F
Low Temp	1°C	33°F
Avg Temp	4°C	40°F
Sunshine Hours	156 hours
Rainfall	120.02 mm	4.73 In
Rain days	6 days
Pressure	1020 mb	31 In

Grand Chain December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	6°C / 43°F	-1°C / 29°F	2°C / 35°F	186 hours	134.10 mm / 5.28 In	6 days	1019 mb / 31 In
2010	3°C / 37°F	-4°C / 25°F	-1°C / 31°F	150 hours	53.70 mm / 2.11 In	6 days	1021 mb / 31 In
2011	8°C / 47°F	1°C / 34°F	5°C / 41°F	190 hours	129.52 mm / 5.10 In	7 days	1023 mb / 31 In
2012	10°C / 50°F	2°C / 36°F	6°C / 43°F	135 hours	98.13 mm / 3.86 In	7 days	1017 mb / 31 In
2013	5°C / 42°F	-2°C / 28°F	2°C / 35°F	167 hours	181.46 mm / 7.14 In	6 days	1022 mb / 31 In
2014	7°C / 44°F	1°C / 33°F	4°C / 38°F	109 hours	91.80 mm / 3.61 In	9 days	1023 mb / 31 In
2015	12°C / 54°F	5°C / 41°F	8°C / 47°F	130 hours	156.11 mm / 6.15 In	6 days	1017 mb / 31 In
2016	6°C / 43°F	-1°C / 29°F	2°C / 36°F	171 hours	94.75 mm / 3.73 In	7 days	1024 mb / 31 In
2017	7°C / 44°F	-1°C / 30°F	3°C / 37°F	206 hours	67.11 mm / 2.64 In	6 days	1023 mb / 31 In
2018	9°C / 48°F	2°C / 35°F	5°C / 41°F	149 hours	148.53 mm / 5.85 In	8 days	1020 mb / 31 In
2019	10°C / 50°F	2°C / 36°F	6°C / 42°F	145 hours	78.23 mm / 3.08 In	6 days	1019 mb / 31 In
2020	8°C / 46°F	0°C / 33°F	4°C / 39°F	183 hours	71.70 mm / 2.82 In	5 days	1019 mb / 31 In
2021	16°C / 60°F	5°C / 42°F	10°C / 50°F	189 hours	101.80 mm / 4.01 In	7 days	1016 mb / 30 In
2022	8°C / 46°F	0°C / 32°F	4°C / 39°F	100 hours	112.02 mm / 4.41 In	7 days	1020 mb / 31 In
2023	11°C / 51°F	3°C / 37°F	6°C / 43°F	182 hours	53.59 mm / 2.11 In	5 days	1020 mb / 31 In
2024	8°C / 46°F	2°C / 35°F	5°C / 40°F	115 hours	391.28 mm / 15.40 In	6 days	1023 mb / 31 In
2025	7°C / 45°F	1°C / 33°F	4°C / 39°F	144 hours	76.50 mm / 3.01 In	1 days	1020 mb / 31 In

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