Lake Forest January Weather Averages Illinois, United States of America

January Weather Averages for Lake Forest

High Temp	-2°C	29°F
Low Temp	-7°C	20°F
Avg Temp	-4°C	25°F
Sunshine Hours	112 hours
Rainfall	56.08 mm	2.21 In
Rain days	8 days
Pressure	1019 mb	31 In

Lake Forest January Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	-1°C / 31°F	-8°C / 18°F	-4°C / 25°F	94 hours	77.02 mm / 3.03 In	12 days	1019 mb / 31 In
2009	-5°C / 24°F	-12°C / 11°F	-8°C / 18°F	96 hours	33.20 mm / 1.31 In	10 days	1019 mb / 31 In
2010	-3°C / 27°F	-7°C / 20°F	-5°C / 23°F	114 hours	25.10 mm / 0.99 In	4 days	1020 mb / 31 In
2011	-3°C / 26°F	-8°C / 17°F	-6°C / 22°F	71 hours	18.50 mm / 0.73 In	3 days	1019 mb / 31 In
2012	1°C / 35°F	-5°C / 24°F	-2°C / 29°F	147 hours	52.81 mm / 2.08 In	7 days	1016 mb / 30 In
2013	0°C / 32°F	-6°C / 21°F	-3°C / 27°F	163 hours	101.11 mm / 3.98 In	5 days	1020 mb / 31 In
2014	-5°C / 23°F	-13°C / 9°F	-9°C / 16°F	75 hours	59.40 mm / 2.34 In	15 days	1017 mb / 31 In
2015	-3°C / 27°F	-8°C / 18°F	-5°C / 23°F	126 hours	45.50 mm / 1.79 In	10 days	1022 mb / 31 In
2016	-1°C / 30°F	-7°C / 20°F	-4°C / 25°F	93 hours	30.18 mm / 1.19 In	6 days	1017 mb / 31 In
2017	0°C / 33°F	-4°C / 25°F	-2°C / 29°F	79 hours	80.14 mm / 3.16 In	9 days	1017 mb / 31 In
2018	-1°C / 29°F	-7°C / 20°F	-4°C / 25°F	188 hours	45.25 mm / 1.78 In	6 days	1023 mb / 31 In
2019	-3°C / 26°F	-9°C / 16°F	-6°C / 21°F	116 hours	68.59 mm / 2.70 In	10 days	1021 mb / 31 In
2020	1°C / 34°F	-4°C / 25°F	-1°C / 30°F	89 hours	100.93 mm / 3.97 In	8 days	1019 mb / 31 In
2021	0°C / 31°F	-4°C / 25°F	-2°C / 28°F	80 hours	73.70 mm / 2.90 In	13 days	1018 mb / 31 In
2022	-3°C / 27°F	-10°C / 14°F	-6°C / 21°F	128 hours	31.40 mm / 1.24 In	8 days	1022 mb / 31 In
2023	3°C / 37°F	-2°C / 29°F	0°C / 32°F	84 hours	62.40 mm / 2.46 In	9 days	1016 mb / 30 In
2024	-1°C / 30°F	-6°C / 22°F	-3°C / 26°F	79 hours	106.40 mm / 4.19 In	13 days	1018 mb / 31 In
2025	-2°C / 28°F	-9°C / 17°F	-6°C / 22°F	174 hours	18.67 mm / 0.74 In	1 days	1021 mb / 31 In

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