Saint Charles 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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Sat 27 Jun, 2026 Weather in Saint Charles

Sunrise: 05:20 AM Sunset: 08:32 PM	Moonrise: 07:26 PM Moonset: 03:10 AM	Max: 26.2 °c	Min: 14.8 °c	Avg: 20.5 °c	Precip: 0.00 mm	Max Wind: 16.6 kph

	Sat 27 0:00 am	Sat 27 3:00 am	Sat 27 6:00 am	Sat 27 9:00 am	Sat 27 12:00 pm	Sat 27 3:00 pm	Sat 27 6:00 pm	Sat 27 9:00 pm
Icon
Temp	15.3°c	15.3°c	16.5°c	21.3°c	23.9°c	26.2°c	24.4°c	20.6°c
Wind	11.2 kmph	10.8 kmph	14.0 kmph	16.6 kmph	15.8 kmph	13.7 kmph	14.8 kmph	13.0 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	2%	3%	1%	19%	32%	12%	100%	0%
Humidity	85%	85%	88%	81%	74%	66%	64%	72%
Pressure	1017 mb	1017 mb	1016 mb	1016 mb	1016 mb	1014 mb	1013 mb	1014 mb

Saint Charles Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-2°C / 29°F	-9°C / 16°F	-5°C / 23°F	111 hours	50.67 mm / 1.99 In	8 days	1020 mb / 31 In
February	1°C / 33°F	-7°C / 19°F	-3°C / 26°F	116 hours	55.98 mm / 2.20 In	6 days	1019 mb / 31 In
March	8°C / 47°F	0°C / 31°F	4°C / 39°F	136 hours	88.86 mm / 3.50 In	7 days	1018 mb / 31 In
April	14°C / 57°F	4°C / 40°F	9°C / 48°F	130 hours	146.47 mm / 5.77 In	9 days	1014 mb / 30 In
May	20°C / 69°F	11°C / 51°F	15°C / 60°F	173 hours	142.01 mm / 5.59 In	10 days	1015 mb / 30 In
June	26°C / 79°F	16°C / 61°F	21°C / 70°F	207 hours	157.27 mm / 6.19 In	9 days	1013 mb / 30 In
July	28°C / 82°F	19°C / 65°F	23°C / 73°F	217 hours	106.75 mm / 4.20 In	8 days	1015 mb / 30 In
August	27°C / 81°F	18°C / 64°F	22°C / 72°F	228 hours	98.10 mm / 3.86 In	8 days	1015 mb / 30 In
September	24°C / 75°F	14°C / 58°F	19°C / 66°F	230 hours	82.69 mm / 3.26 In	6 days	1017 mb / 31 In
October	16°C / 62°F	8°C / 46°F	12°C / 53°F	171 hours	91.73 mm / 3.61 In	7 days	1016 mb / 30 In
November	8°C / 47°F	1°C / 34°F	5°C / 40°F	169 hours	69.78 mm / 2.75 In	5 days	1019 mb / 31 In
December	2°C / 36°F	-4°C / 25°F	-1°C / 30°F	120 hours	66.61 mm / 2.62 In	7 days	1019 mb / 31 In

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