Naperville Weather History Illinois, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Sun 19 Oct, 2025 Weather in Naperville

Sunrise: 07:10 AM Sunset: 06:04 PM	Moonrise: 05:19 AM Moonset: 05:09 PM	Max: 17.7 °c	Min: 9.2 °c	Avg: 12.8 °c	Precip: 17.10 mm	Max Wind: 28.1 kph

	Sun 19 0:00 am	Sun 19 3:00 am	Sun 19 6:00 am	Sun 19 9:00 am	Sun 19 12:00 pm	Sun 19 3:00 pm	Sun 19 6:00 pm	Sun 19 9:00 pm
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Temp	17.7°c	14.2°c	10.2°c	9.9°c	14.3°c	14.5°c	13.4°c	9.2°c
Wind	7.9 kmph	25.9 kmph	24.1 kmph	25.6 kmph	24.1 kmph	25.6 kmph	13.3 kmph	10.8 kmph
Precip	0.00 mm	0.00 mm	3.00 mm	2.30 mm	0.40 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	100%	100%	100%	100%	85%	13%	4%	0%
Humidity	91%	90%	92%	79%	59%	47%	54%	67%
Pressure	1001 mb	1000 mb	1002 mb	1004 mb	1006 mb	1008 mb	1011 mb	1013 mb

Naperville Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-1°C / 29°F	-8°C / 17°F	-5°C / 23°F	114 hours	54.73 mm / 2.15 In	8 days	1020 mb / 31 In
February	1°C / 33°F	-7°C / 20°F	-3°C / 27°F	119 hours	61.01 mm / 2.40 In	7 days	1019 mb / 31 In
March	8°C / 47°F	0°C / 32°F	4°C / 39°F	142 hours	88.48 mm / 3.48 In	8 days	1018 mb / 31 In
April	14°C / 57°F	5°C / 40°F	9°C / 49°F	138 hours	132.42 mm / 5.21 In	8 days	1014 mb / 30 In
May	21°C / 69°F	11°C / 52°F	16°C / 60°F	176 hours	145.08 mm / 5.71 In	11 days	1015 mb / 30 In
June	26°C / 79°F	17°C / 62°F	21°C / 70°F	211 hours	157.15 mm / 6.19 In	9 days	1013 mb / 30 In
July	28°C / 82°F	19°C / 66°F	23°C / 74°F	220 hours	115.63 mm / 4.55 In	8 days	1015 mb / 30 In
August	27°C / 81°F	18°C / 65°F	23°C / 73°F	234 hours	103.25 mm / 4.06 In	8 days	1015 mb / 30 In
September	24°C / 76°F	15°C / 59°F	19°C / 67°F	230 hours	84.96 mm / 3.34 In	6 days	1017 mb / 31 In
October	17°C / 62°F	8°C / 47°F	12°C / 54°F	175 hours	98.51 mm / 3.88 In	7 days	1016 mb / 30 In
November	9°C / 48°F	1°C / 34°F	5°C / 41°F	173 hours	66.51 mm / 2.62 In	6 days	1019 mb / 31 In
December	3°C / 37°F	-3°C / 26°F	0°C / 31°F	124 hours	64.20 mm / 2.53 In	7 days	1019 mb / 31 In

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