Rock Falls January Weather Averages Illinois, United States of America

January Weather Averages for Rock Falls

High Temp	-2°C	28°F
Low Temp	-10°C	15°F
Avg Temp	-6°C	22°F
Sunshine Hours	112 hours
Rainfall	51.60 mm	2.03 In
Rain days	7 days
Pressure	1020 mb	31 In

Rock Falls January Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	-1°C / 30°F	-10°C / 14°F	-6°C / 22°F	97 hours	62.10 mm / 2.44 In	12 days	1020 mb / 31 In
2009	-5°C / 22°F	-15°C / 6°F	-10°C / 15°F	110 hours	22.40 mm / 0.88 In	7 days	1020 mb / 31 In
2010	-4°C / 25°F	-11°C / 13°F	-7°C / 19°F	125 hours	38.30 mm / 1.51 In	5 days	1021 mb / 31 In
2011	-4°C / 25°F	-11°C / 13°F	-7°C / 19°F	50 hours	21.90 mm / 0.86 In	5 days	1020 mb / 31 In
2012	1°C / 34°F	-7°C / 19°F	-3°C / 27°F	154 hours	33.10 mm / 1.30 In	6 days	1017 mb / 31 In
2013	0°C / 32°F	-8°C / 17°F	-4°C / 25°F	171 hours	90.77 mm / 3.57 In	5 days	1021 mb / 31 In
2014	-6°C / 21°F	-16°C / 2°F	-11°C / 12°F	76 hours	47.80 mm / 1.88 In	12 days	1018 mb / 31 In
2015	-3°C / 27°F	-10°C / 14°F	-6°C / 21°F	133 hours	37.30 mm / 1.47 In	9 days	1023 mb / 31 In
2016	-2°C / 29°F	-9°C / 16°F	-5°C / 22°F	101 hours	24.20 mm / 0.95 In	8 days	1018 mb / 31 In
2017	1°C / 33°F	-5°C / 23°F	-2°C / 28°F	80 hours	55.63 mm / 2.19 In	6 days	1017 mb / 31 In
2018	-2°C / 29°F	-9°C / 15°F	-5°C / 22°F	180 hours	46.16 mm / 1.82 In	5 days	1024 mb / 31 In
2019	-4°C / 25°F	-11°C / 12°F	-7°C / 19°F	113 hours	72.90 mm / 2.87 In	9 days	1022 mb / 31 In
2020	0°C / 32°F	-6°C / 21°F	-3°C / 27°F	62 hours	82.10 mm / 3.23 In	9 days	1020 mb / 31 In
2021	-2°C / 29°F	-8°C / 17°F	-5°C / 23°F	65 hours	63.70 mm / 2.51 In	12 days	1019 mb / 31 In
2022	-4°C / 25°F	-14°C / 6°F	-9°C / 16°F	122 hours	24.30 mm / 0.96 In	5 days	1023 mb / 31 In
2023	2°C / 36°F	-4°C / 25°F	-1°C / 31°F	92 hours	67.60 mm / 2.66 In	11 days	1016 mb / 30 In
2024	-2°C / 28°F	-9°C / 16°F	-5°C / 22°F	83 hours	112.93 mm / 4.45 In	12 days	1019 mb / 31 In
2025	-3°C / 27°F	-9°C / 16°F	-6°C / 21°F	184 hours	36.19 mm / 1.42 In	1 days	1022 mb / 31 In

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