Saint Charles Weather History Illinois, United States of America

Weather History Form

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

Buy Weather Data

Daily and hourly data from 1 Jan 2009 onwards.
Yearly Monthly Averages
Monthly Climate Data
CSV format

Find out more»

Mon 07 Sep, 2026 Weather in Saint Charles

Sunrise: 06:25 AM Sunset: 07:17 PM	Moonrise: 01:30 AM Moonset: 05:19 PM	Max: 30.7 °c	Min: 15.3 °c	Avg: 21.6 °c	Precip: 0.00 mm	Max Wind: 11.5 kph

	Mon 07 0:00 am	Mon 07 3:00 am	Mon 07 6:00 am	Mon 07 9:00 am	Mon 07 12:00 pm	Mon 07 3:00 pm	Mon 07 6:00 pm	Mon 07 9:00 pm
Icon
Temp	16.5°c	15.6°c	15.5°c	21.2°c	28.9°c	30.7°c	25.8°c	20.2°c
Wind	9.7 kmph	10.8 kmph	8.6 kmph	11.2 kmph	9.7 kmph	8.6 kmph	3.6 kmph	11.5 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	98%	100%	0%	1%	2%	4%	77%	100%
Humidity	88%	89%	88%	62%	39%	36%	41%	63%
Pressure	1020 mb	1019 mb	1021 mb	1021 mb	1021 mb	1019 mb	1019 mb	1020 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	163 hours	136.54 mm / 5.38 In	10 days	1015 mb / 30 In
June	26°C / 79°F	16°C / 61°F	21°C / 70°F	195 hours	158.47 mm / 6.24 In	9 days	1013 mb / 30 In
July	28°C / 82°F	19°C / 65°F	23°C / 74°F	205 hours	105.85 mm / 4.17 In	8 days	1015 mb / 30 In
August	27°C / 81°F	18°C / 64°F	22°C / 72°F	215 hours	120.90 mm / 4.76 In	7 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

Illinois

Hotels Near Saint Charles

Cities Near Saint Charles

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, pollen, evapotranspiration, autocomplete, time zone, astronomy and sports data into your new or existing project.

Get Started