Decatur January Weather Averages Illinois, United States of America

January Weather Averages for Decatur

High Temp	1°C	34°F
Low Temp	-6°C	21°F
Avg Temp	-3°C	27°F
Sunshine Hours	130 hours
Rainfall	64.68 mm	2.55 In
Rain days	7 days
Pressure	1021 mb	31 In

Decatur January Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	-1°C / 31°F	-8°C / 17°F	-5°C / 23°F	142 hours	28.00 mm / 1.10 In	5 days	1020 mb / 31 In
2010	-2°C / 28°F	-8°C / 17°F	-5°C / 22°F	112 hours	39.68 mm / 1.56 In	6 days	1022 mb / 31 In
2011	-2°C / 29°F	-8°C / 18°F	-5°C / 23°F	73 hours	27.90 mm / 1.10 In	7 days	1020 mb / 31 In
2012	4°C / 39°F	-4°C / 25°F	0°C / 32°F	154 hours	66.60 mm / 2.62 In	7 days	1018 mb / 31 In
2013	3°C / 38°F	-5°C / 23°F	-1°C / 30°F	174 hours	99.42 mm / 3.91 In	7 days	1022 mb / 31 In
2014	-2°C / 29°F	-11°C / 13°F	-6°C / 21°F	129 hours	54.70 mm / 2.15 In	9 days	1019 mb / 31 In
2015	1°C / 33°F	-6°C / 21°F	-3°C / 27°F	165 hours	55.60 mm / 2.19 In	6 days	1024 mb / 31 In
2016	2°C / 35°F	-5°C / 23°F	-2°C / 29°F	129 hours	26.70 mm / 1.05 In	5 days	1019 mb / 31 In
2017	4°C / 40°F	-3°C / 27°F	1°C / 33°F	96 hours	87.00 mm / 3.43 In	10 days	1018 mb / 31 In
2018	1°C / 33°F	-8°C / 18°F	-3°C / 26°F	166 hours	40.20 mm / 1.58 In	6 days	1026 mb / 31 In
2019	0°C / 32°F	-8°C / 18°F	-3°C / 26°F	121 hours	88.94 mm / 3.50 In	9 days	1022 mb / 31 In
2020	4°C / 39°F	-3°C / 27°F	0°C / 33°F	96 hours	151.27 mm / 5.96 In	9 days	1020 mb / 31 In
2021	2°C / 35°F	-4°C / 25°F	-1°C / 30°F	126 hours	68.22 mm / 2.69 In	10 days	1018 mb / 31 In
2022	1°C / 33°F	-8°C / 18°F	-4°C / 25°F	176 hours	23.00 mm / 0.91 In	5 days	1023 mb / 31 In
2023	6°C / 43°F	-1°C / 31°F	2°C / 36°F	116 hours	65.20 mm / 2.57 In	10 days	1016 mb / 30 In
2024	0°C / 33°F	-5°C / 22°F	-3°C / 27°F	115 hours	110.28 mm / 4.34 In	10 days	1019 mb / 31 In
2025	-2°C / 29°F	-8°C / 17°F	-5°C / 23°F	128 hours	66.79 mm / 2.63 In	1 days	1023 mb / 31 In

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