Harrisburg December Weather Averages Illinois, United States of America

December Weather Averages for Harrisburg

High Temp	8°C	46°F
Low Temp	1°C	33°F
Avg Temp	4°C	39°F
Sunshine Hours	155 hours
Rainfall	125.25 mm	4.93 In
Rain days	7 days
Pressure	1020 mb	31 In

Harrisburg December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	6°C / 43°F	-2°C / 28°F	2°C / 35°F	185 hours	99.82 mm / 3.93 In	7 days	1021 mb / 31 In
2009	5°C / 42°F	-2°C / 29°F	2°C / 35°F	158 hours	144.61 mm / 5.69 In	6 days	1019 mb / 31 In
2010	2°C / 36°F	-4°C / 24°F	-1°C / 30°F	144 hours	57.04 mm / 2.25 In	7 days	1021 mb / 31 In
2011	8°C / 47°F	1°C / 34°F	5°C / 40°F	179 hours	137.13 mm / 5.40 In	7 days	1023 mb / 31 In
2012	9°C / 49°F	2°C / 35°F	6°C / 42°F	152 hours	103.90 mm / 4.09 In	8 days	1017 mb / 31 In
2013	5°C / 40°F	-3°C / 27°F	1°C / 34°F	158 hours	205.20 mm / 8.08 In	6 days	1022 mb / 31 In
2014	6°C / 44°F	0°C / 33°F	3°C / 38°F	111 hours	83.46 mm / 3.29 In	8 days	1023 mb / 31 In
2015	12°C / 53°F	5°C / 41°F	8°C / 46°F	146 hours	168.19 mm / 6.62 In	7 days	1017 mb / 31 In
2016	5°C / 42°F	-2°C / 29°F	2°C / 35°F	185 hours	103.20 mm / 4.06 In	8 days	1024 mb / 31 In
2017	6°C / 43°F	-2°C / 29°F	2°C / 36°F	199 hours	76.53 mm / 3.01 In	6 days	1023 mb / 31 In
2018	8°C / 47°F	1°C / 35°F	5°C / 41°F	161 hours	166.62 mm / 6.56 In	7 days	1020 mb / 31 In
2019	9°C / 49°F	2°C / 35°F	5°C / 42°F	143 hours	89.94 mm / 3.54 In	4 days	1019 mb / 31 In
2020	7°C / 45°F	0°C / 32°F	3°C / 38°F	176 hours	80.04 mm / 3.15 In	5 days	1019 mb / 31 In
2021	15°C / 59°F	5°C / 41°F	9°C / 49°F	182 hours	96.80 mm / 3.81 In	7 days	1016 mb / 30 In
2022	7°C / 44°F	-1°C / 31°F	3°C / 38°F	100 hours	107.10 mm / 4.22 In	7 days	1020 mb / 31 In
2023	11°C / 51°F	3°C / 37°F	6°C / 43°F	179 hours	50.41 mm / 1.98 In	5 days	1020 mb / 31 In
2024	7°C / 44°F	1°C / 35°F	4°C / 39°F	105 hours	333.91 mm / 13.15 In	6 days	1023 mb / 31 In

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