Naperville December Weather Averages Illinois, United States of America

December Weather Averages for Naperville

High Temp	3°C	37°F
Low Temp	-3°C	26°F
Avg Temp	0°C	31°F
Sunshine Hours	124 hours
Rainfall	64.20 mm	2.53 In
Rain days	7 days
Pressure	1019 mb	31 In

Naperville December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	-1°C / 31°F	-9°C / 15°F	-5°C / 23°F	122 hours	147.66 mm / 5.81 In	11 days	1019 mb / 31 In
2009	0°C / 32°F	-6°C / 21°F	-3°C / 27°F	76 hours	97.13 mm / 3.82 In	12 days	1017 mb / 31 In
2010	-3°C / 27°F	-9°C / 16°F	-6°C / 22°F	60 hours	68.16 mm / 2.68 In	10 days	1020 mb / 31 In
2011	4°C / 39°F	-2°C / 29°F	1°C / 34°F	190 hours	49.50 mm / 1.95 In	6 days	1021 mb / 31 In
2012	5°C / 40°F	-1°C / 30°F	2°C / 35°F	97 hours	60.70 mm / 2.39 In	5 days	1016 mb / 30 In
2013	-2°C / 29°F	-9°C / 16°F	-5°C / 23°F	89 hours	49.30 mm / 1.94 In	11 days	1020 mb / 31 In
2014	2°C / 36°F	-3°C / 27°F	0°C / 32°F	103 hours	28.10 mm / 1.11 In	3 days	1023 mb / 31 In
2015	6°C / 44°F	1°C / 34°F	4°C / 39°F	97 hours	143.83 mm / 5.66 In	10 days	1015 mb / 30 In
2016	-1°C / 30°F	-8°C / 18°F	-5°C / 24°F	102 hours	49.70 mm / 1.96 In	8 days	1022 mb / 31 In
2017	0°C / 33°F	-5°C / 22°F	-3°C / 27°F	174 hours	17.10 mm / 0.67 In	6 days	1021 mb / 31 In
2018	4°C / 39°F	-2°C / 29°F	1°C / 34°F	185 hours	89.60 mm / 3.53 In	5 days	1019 mb / 31 In
2019	5°C / 40°F	-2°C / 28°F	1°C / 34°F	173 hours	41.15 mm / 1.62 In	4 days	1017 mb / 31 In
2020	3°C / 38°F	-3°C / 27°F	0°C / 32°F	171 hours	58.51 mm / 2.30 In	4 days	1017 mb / 31 In
2021	7°C / 45°F	-1°C / 31°F	3°C / 37°F	198 hours	58.90 mm / 2.32 In	4 days	1015 mb / 30 In
2022	2°C / 35°F	-5°C / 23°F	-2°C / 29°F	72 hours	58.70 mm / 2.31 In	5 days	1018 mb / 31 In
2023	6°C / 43°F	1°C / 34°F	4°C / 38°F	117 hours	70.71 mm / 2.78 In	8 days	1018 mb / 31 In
2024	1°C / 34°F	-3°C / 26°F	-1°C / 30°F	74 hours	86.07 mm / 3.39 In	3 days	1021 mb / 31 In

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