Riverdale August Weather Averages Illinois, United States of America

August Weather Averages for Riverdale

High Temp	27°C	80°F
Low Temp	19°C	67°F
Avg Temp	23°C	73°F
Sunshine Hours	239 hours
Rainfall	99.24 mm	3.91 In
Rain days	8 days
Pressure	1015 mb	30 In

Riverdale August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	27°C / 81°F	18°C / 65°F	23°C / 73°F	306 hours	58.30 mm / 2.30 In	5 days	1015 mb / 30 In
2009	25°C / 77°F	18°C / 64°F	21°C / 71°F	219 hours	107.36 mm / 4.23 In	11 days	1016 mb / 30 In
2010	29°C / 84°F	20°C / 69°F	24°C / 76°F	293 hours	104.54 mm / 4.12 In	5 days	1014 mb / 30 In
2011	27°C / 80°F	19°C / 67°F	23°C / 73°F	282 hours	91.12 mm / 3.59 In	6 days	1013 mb / 30 In
2012	27°C / 80°F	18°C / 65°F	22°C / 72°F	273 hours	104.58 mm / 4.12 In	8 days	1015 mb / 30 In
2013	26°C / 79°F	18°C / 64°F	22°C / 72°F	279 hours	70.70 mm / 2.78 In	6 days	1017 mb / 31 In
2014	26°C / 78°F	18°C / 64°F	22°C / 71°F	219 hours	117.62 mm / 4.63 In	10 days	1015 mb / 30 In
2015	26°C / 78°F	18°C / 64°F	22°C / 71°F	248 hours	57.02 mm / 2.24 In	8 days	1015 mb / 30 In
2016	27°C / 81°F	20°C / 68°F	23°C / 74°F	206 hours	167.99 mm / 6.61 In	10 days	1016 mb / 30 In
2017	26°C / 79°F	19°C / 66°F	22°C / 72°F	263 hours	84.62 mm / 3.33 In	7 days	1016 mb / 30 In
2018	28°C / 82°F	21°C / 69°F	24°C / 75°F	233 hours	147.48 mm / 5.81 In	14 days	1015 mb / 30 In
2019	27°C / 80°F	20°C / 68°F	23°C / 74°F	232 hours	97.67 mm / 3.85 In	10 days	1015 mb / 30 In
2020	28°C / 82°F	21°C / 70°F	24°C / 75°F	226 hours	27.80 mm / 1.09 In	6 days	1015 mb / 30 In
2021	28°C / 83°F	21°C / 70°F	24°C / 76°F	190 hours	118.46 mm / 4.66 In	12 days	1016 mb / 30 In
2022	28°C / 82°F	19°C / 66°F	23°C / 74°F	212 hours	90.55 mm / 3.56 In	7 days	1016 mb / 30 In
2023	28°C / 82°F	18°C / 65°F	23°C / 73°F	210 hours	107.70 mm / 4.24 In	5 days	1013 mb / 30 In
2024	27°C / 80°F	19°C / 66°F	23°C / 73°F	234 hours	92.65 mm / 3.65 In	3 days	1016 mb / 30 In

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