Naperville May Weather Averages Illinois, United States of America

May Weather Averages for Naperville

High Temp	21°C	69°F
Low Temp	11°C	52°F
Avg Temp	16°C	61°F
Sunshine Hours	180 hours
Rainfall	137.92 mm	5.43 In
Rain days	11 days
Pressure	1015 mb	30 In

Naperville May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	18°C / 64°F	9°C / 48°F	13°C / 56°F	191 hours	69.39 mm / 2.73 In	7 days	1011 mb / 30 In
2009	20°C / 67°F	10°C / 51°F	15°C / 59°F	223 hours	103.38 mm / 4.07 In	9 days	1015 mb / 30 In
2010	21°C / 69°F	12°C / 53°F	16°C / 61°F	208 hours	144.57 mm / 5.69 In	9 days	1015 mb / 30 In
2011	19°C / 67°F	10°C / 49°F	14°C / 58°F	173 hours	134.21 mm / 5.28 In	14 days	1013 mb / 30 In
2012	23°C / 73°F	13°C / 55°F	18°C / 64°F	244 hours	129.81 mm / 5.11 In	8 days	1014 mb / 30 In
2013	21°C / 70°F	12°C / 53°F	16°C / 61°F	178 hours	155.11 mm / 6.11 In	16 days	1014 mb / 30 In
2014	21°C / 69°F	10°C / 51°F	15°C / 60°F	192 hours	122.26 mm / 4.81 In	8 days	1015 mb / 30 In
2015	21°C / 70°F	12°C / 53°F	16°C / 61°F	166 hours	146.38 mm / 5.76 In	14 days	1018 mb / 31 In
2016	20°C / 68°F	11°C / 51°F	15°C / 59°F	184 hours	109.00 mm / 4.29 In	10 days	1015 mb / 30 In
2017	18°C / 65°F	9°C / 48°F	14°C / 56°F	202 hours	108.40 mm / 4.27 In	9 days	1012 mb / 30 In
2018	25°C / 77°F	15°C / 59°F	20°C / 68°F	199 hours	166.67 mm / 6.56 In	14 days	1014 mb / 30 In
2019	20°C / 68°F	10°C / 50°F	15°C / 60°F	128 hours	206.42 mm / 8.13 In	17 days	1014 mb / 30 In
2020	19°C / 66°F	10°C / 51°F	15°C / 58°F	116 hours	168.77 mm / 6.64 In	10 days	1016 mb / 30 In
2021	19°C / 66°F	11°C / 51°F	15°C / 59°F	128 hours	117.43 mm / 4.62 In	10 days	1019 mb / 31 In
2022	21°C / 71°F	12°C / 54°F	17°C / 62°F	157 hours	135.00 mm / 5.31 In	10 days	1014 mb / 30 In
2023	22°C / 71°F	10°C / 51°F	16°C / 60°F	210 hours	90.65 mm / 3.57 In	7 days	1018 mb / 31 In
2024	22°C / 72°F	12°C / 54°F	17°C / 62°F	164 hours	168.64 mm / 6.64 In	8 days	1011 mb / 30 In

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