Normal August Weather Averages Illinois, United States of America

August Weather Averages for Normal

High Temp	28°C	82°F
Low Temp	18°C	64°F
Avg Temp	22°C	72°F
Sunshine Hours	228 hours
Rainfall	97.14 mm	3.82 In
Rain days	8 days
Pressure	1015 mb	30 In

Normal August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	28°C / 83°F	16°C / 62°F	22°C / 72°F	305 hours	32.92 mm / 1.30 In	2 days	1015 mb / 30 In
2009	26°C / 79°F	17°C / 62°F	21°C / 70°F	232 hours	104.13 mm / 4.10 In	10 days	1016 mb / 30 In
2010	30°C / 86°F	19°C / 66°F	24°C / 76°F	308 hours	140.20 mm / 5.52 In	5 days	1014 mb / 30 In
2011	28°C / 82°F	18°C / 64°F	23°C / 73°F	253 hours	36.83 mm / 1.45 In	6 days	1013 mb / 30 In
2012	27°C / 81°F	17°C / 63°F	22°C / 72°F	207 hours	119.23 mm / 4.69 In	6 days	1014 mb / 30 In
2013	27°C / 81°F	17°C / 63°F	22°C / 72°F	290 hours	28.38 mm / 1.12 In	4 days	1017 mb / 30 In
2014	27°C / 81°F	18°C / 64°F	22°C / 72°F	180 hours	72.58 mm / 2.86 In	10 days	1015 mb / 30 In
2015	27°C / 81°F	17°C / 62°F	22°C / 71°F	266 hours	46.71 mm / 1.84 In	7 days	1015 mb / 30 In
2016	28°C / 82°F	19°C / 67°F	23°C / 74°F	175 hours	141.31 mm / 5.56 In	11 days	1016 mb / 30 In
2017	25°C / 78°F	16°C / 61°F	21°C / 69°F	250 hours	132.61 mm / 5.22 In	8 days	1016 mb / 30 In
2018	27°C / 81°F	19°C / 65°F	23°C / 73°F	213 hours	158.22 mm / 6.23 In	12 days	1015 mb / 30 In
2019	26°C / 79°F	17°C / 63°F	22°C / 71°F	236 hours	70.30 mm / 2.77 In	10 days	1015 mb / 30 In
2020	27°C / 81°F	18°C / 64°F	22°C / 72°F	207 hours	20.70 mm / 0.81 In	5 days	1014 mb / 30 In
2021	28°C / 82°F	19°C / 66°F	23°C / 74°F	172 hours	124.50 mm / 4.90 In	11 days	1016 mb / 30 In
2022	29°C / 85°F	18°C / 64°F	24°C / 74°F	208 hours	58.25 mm / 2.29 In	5 days	1015 mb / 30 In
2023	30°C / 85°F	17°C / 63°F	23°C / 73°F	219 hours	185.10 mm / 7.29 In	7 days	1013 mb / 30 In
2024	27°C / 81°F	17°C / 63°F	22°C / 72°F	225 hours	115.25 mm / 4.54 In	3 days	1016 mb / 30 In

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