Janesville December Weather Averages Wisconsin, United States of America

December Weather Averages for Janesville

High Temp	1°C	34°F
Low Temp	-5°C	23°F
Avg Temp	-2°C	28°F
Sunshine Hours	121 hours
Rainfall	62.26 mm	2.45 In
Rain days	7 days
Pressure	1019 mb	31 In

Janesville December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	-3°C / 27°F	-12°C / 10°F	-7°C / 19°F	97 hours	124.90 mm / 4.92 In	13 days	1019 mb / 31 In
2009	-2°C / 29°F	-8°C / 17°F	-5°C / 23°F	71 hours	105.70 mm / 4.16 In	12 days	1017 mb / 31 In
2010	-4°C / 25°F	-11°C / 13°F	-7°C / 19°F	59 hours	46.40 mm / 1.83 In	8 days	1020 mb / 31 In
2011	3°C / 37°F	-3°C / 27°F	0°C / 32°F	168 hours	52.42 mm / 2.06 In	7 days	1020 mb / 31 In
2012	2°C / 36°F	-4°C / 26°F	-1°C / 31°F	119 hours	63.30 mm / 2.49 In	8 days	1016 mb / 30 In
2013	-4°C / 26°F	-11°C / 12°F	-7°C / 19°F	82 hours	46.60 mm / 1.83 In	14 days	1020 mb / 31 In
2014	1°C / 33°F	-4°C / 25°F	-2°C / 29°F	133 hours	28.10 mm / 1.11 In	3 days	1023 mb / 31 In
2015	5°C / 41°F	0°C / 31°F	2°C / 36°F	91 hours	140.77 mm / 5.54 In	10 days	1015 mb / 30 In
2016	-3°C / 27°F	-9°C / 16°F	-6°C / 22°F	76 hours	47.80 mm / 1.88 In	7 days	1021 mb / 31 In
2017	-1°C / 30°F	-7°C / 20°F	-4°C / 24°F	162 hours	22.60 mm / 0.89 In	6 days	1020 mb / 31 In
2018	2°C / 36°F	-3°C / 26°F	-1°C / 30°F	167 hours	73.84 mm / 2.91 In	8 days	1019 mb / 31 In
2019	3°C / 38°F	-4°C / 25°F	0°C / 31°F	149 hours	40.90 mm / 1.61 In	5 days	1017 mb / 30 In
2020	1°C / 34°F	-5°C / 23°F	-2°C / 28°F	183 hours	54.40 mm / 2.14 In	5 days	1017 mb / 31 In
2021	5°C / 42°F	-3°C / 27°F	1°C / 34°F	206 hours	59.70 mm / 2.35 In	7 days	1015 mb / 30 In
2022	0°C / 32°F	-7°C / 19°F	-4°C / 26°F	72 hours	66.80 mm / 2.63 In	7 days	1018 mb / 31 In
2023	5°C / 41°F	0°C / 32°F	2°C / 36°F	106 hours	65.31 mm / 2.57 In	6 days	1018 mb / 31 In
2024	0°C / 32°F	-4°C / 24°F	-2°C / 28°F	86 hours	81.46 mm / 3.21 In	3 days	1021 mb / 31 In

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