Naperville August Weather Averages Illinois, United States of America

August Weather Averages for Naperville

High Temp	27°C	81°F
Low Temp	18°C	65°F
Avg Temp	23°C	73°F
Sunshine Hours	239 hours
Rainfall	97.23 mm	3.83 In
Rain days	8 days
Pressure	1015 mb	30 In

Naperville August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	28°C / 82°F	18°C / 64°F	23°C / 73°F	314 hours	46.00 mm / 1.81 In	2 days	1015 mb / 30 In
2009	25°C / 77°F	17°C / 62°F	21°C / 70°F	224 hours	132.44 mm / 5.21 In	12 days	1016 mb / 30 In
2010	29°C / 85°F	19°C / 67°F	24°C / 75°F	287 hours	76.94 mm / 3.03 In	5 days	1014 mb / 30 In
2011	27°C / 80°F	18°C / 64°F	22°C / 72°F	272 hours	109.79 mm / 4.32 In	5 days	1013 mb / 30 In
2012	27°C / 81°F	17°C / 63°F	22°C / 72°F	264 hours	153.26 mm / 6.03 In	8 days	1015 mb / 30 In
2013	27°C / 80°F	17°C / 63°F	22°C / 71°F	267 hours	55.30 mm / 2.18 In	6 days	1017 mb / 30 In
2014	27°C / 81°F	18°C / 64°F	22°C / 72°F	209 hours	95.31 mm / 3.75 In	9 days	1015 mb / 30 In
2015	27°C / 80°F	17°C / 63°F	22°C / 71°F	245 hours	73.30 mm / 2.89 In	8 days	1015 mb / 30 In
2016	28°C / 82°F	19°C / 67°F	23°C / 74°F	202 hours	141.47 mm / 5.57 In	12 days	1016 mb / 30 In
2017	26°C / 78°F	17°C / 63°F	22°C / 71°F	271 hours	97.13 mm / 3.82 In	8 days	1016 mb / 30 In
2018	28°C / 83°F	20°C / 68°F	24°C / 75°F	238 hours	160.15 mm / 6.30 In	14 days	1015 mb / 30 In
2019	27°C / 80°F	19°C / 66°F	23°C / 73°F	262 hours	129.83 mm / 5.11 In	13 days	1015 mb / 30 In
2020	27°C / 81°F	19°C / 66°F	23°C / 74°F	263 hours	24.00 mm / 0.94 In	5 days	1015 mb / 30 In
2021	29°C / 83°F	20°C / 68°F	24°C / 75°F	183 hours	84.50 mm / 3.33 In	11 days	1016 mb / 30 In
2022	28°C / 83°F	18°C / 64°F	23°C / 73°F	202 hours	85.30 mm / 3.36 In	7 days	1015 mb / 30 In
2023	29°C / 84°F	17°C / 63°F	23°C / 73°F	214 hours	59.15 mm / 2.33 In	6 days	1013 mb / 30 In
2024	26°C / 79°F	17°C / 63°F	22°C / 71°F	228 hours	77.83 mm / 3.06 In	4 days	1016 mb / 30 In

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