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Weather in October in Chicago/ 0’Hare, Il

< October >
	Normal Max/ High Temperature	17°C (63°F)
	Average Temperature	12°C (53°F)
	Min/ Low Temperature	6°C (42°F)
	Normal Precipitation	61mm (2.4in)
	Average Daylight per day	10h 59'
	Sun altitude at solar noon on the 21st day.	37.1°

The average temperature in Chicago/ 0’Hare, Il in October is quite mild at 11.6 °C (52.88 °F).
Afternoons can be very mild with average high temperatures reaching 17.4 °C (63.3 °F).
Overnight temperatures are generally cool with an average low of 5.7 °C (42.3 °F).
In October there is a variation/ range of daily average temperatures of 11.7 °C (21.1 °F).
Precipitation averages for October are moderate with 61.2mm (2.4 in) recorded.
The shortest day is 10h 19' long and the longest day is 11h 41' long with an average length of 10h 59'.

Weather Trend Graph for October in Chicago/ 0’Hare, Il, Usa

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