Rock Falls August Weather Averages Illinois, United States of America

August Weather Averages for Rock Falls

High Temp	27°C	81°F
Low Temp	17°C	63°F
Avg Temp	22°C	71°F
Sunshine Hours	235 hours
Rainfall	82.98 mm	3.27 In
Rain days	7 days
Pressure	1015 mb	30 In

Rock Falls August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	27°C / 81°F	16°C / 60°F	22°C / 71°F	299 hours	33.60 mm / 1.32 In	6 days	1015 mb / 30 In
2009	25°C / 77°F	16°C / 60°F	20°C / 68°F	239 hours	208.40 mm / 8.20 In	12 days	1015 mb / 30 In
2010	29°C / 84°F	18°C / 65°F	23°C / 74°F	261 hours	109.67 mm / 4.32 In	8 days	1014 mb / 30 In
2011	26°C / 80°F	17°C / 62°F	22°C / 71°F	252 hours	90.42 mm / 3.56 In	6 days	1013 mb / 30 In
2012	26°C / 80°F	16°C / 61°F	21°C / 70°F	242 hours	109.79 mm / 4.32 In	7 days	1014 mb / 30 In
2013	27°C / 80°F	17°C / 62°F	22°C / 71°F	263 hours	36.10 mm / 1.42 In	5 days	1016 mb / 30 In
2014	28°C / 82°F	17°C / 63°F	22°C / 72°F	229 hours	32.11 mm / 1.26 In	4 days	1014 mb / 30 In
2015	27°C / 80°F	16°C / 61°F	21°C / 70°F	292 hours	94.98 mm / 3.74 In	8 days	1015 mb / 30 In
2016	28°C / 82°F	18°C / 65°F	23°C / 73°F	220 hours	111.72 mm / 4.40 In	8 days	1016 mb / 30 In
2017	25°C / 76°F	15°C / 59°F	20°C / 68°F	267 hours	42.40 mm / 1.67 In	4 days	1016 mb / 30 In
2018	27°C / 80°F	18°C / 65°F	22°C / 72°F	209 hours	112.89 mm / 4.44 In	9 days	1015 mb / 30 In
2019	25°C / 78°F	16°C / 62°F	21°C / 70°F	224 hours	93.25 mm / 3.67 In	7 days	1015 mb / 30 In
2020	27°C / 81°F	17°C / 63°F	22°C / 72°F	209 hours	32.19 mm / 1.27 In	6 days	1014 mb / 30 In
2021	29°C / 83°F	19°C / 66°F	24°C / 74°F	196 hours	93.41 mm / 3.68 In	7 days	1015 mb / 30 In
2022	29°C / 84°F	18°C / 64°F	23°C / 73°F	212 hours	57.50 mm / 2.26 In	6 days	1015 mb / 30 In
2023	31°C / 88°F	17°C / 62°F	23°C / 74°F	238 hours	52.25 mm / 2.06 In	7 days	1013 mb / 30 In
2024	26°C / 78°F	17°C / 62°F	21°C / 70°F	214 hours	50.61 mm / 1.99 In	3 days	1016 mb / 30 In

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