CHICAGO, ILLINOIS

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Elevation: 674 feet Latitude: 41 59N Longitude: 087 54W

WEATHER

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		49		22		26		37		49		59		69		74		72		65		53		40		27

Average High Temperature

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		59		29		34		45		58		70		80		84		82		75		63		48		35

Average Low Temperature

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		40		13		18		28		39		48		57		63		62		54		42		31		20

Highest Recorded Temperature

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		104		65		71		88		91		93		104		104		101		99		91		78		71

Lowest Recorded Temperature

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-27		-27		-17		-8		7		24		36		40		41		28		17		1		-25

Average Number of Days Above 90F/32C

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18		---		---		---		---		1		4		7		4		2		---		---		---

Average Number of Days Above 65F/18C

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		165		---		---		3		9		21		29		31		31		26		13		2		---

Average Number of Days Below 32F/0C

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		132		29		25		21		7		1		---		---		---		---		5		17		27

Average Number of Days Below 5F/-15C

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		10		5		1		---		---		---		---		---		---		---		---		4

PRECIPITATION

Average Precipitation

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		35.3		1.7		1.4		2.7		3.6		3.2		3.8		3.6		4.1		3.5		2.6		2.9		2.2

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126		11		9		13		13		11		10		10		9		10		9		11		11

Average Number of Days With Thunderstorms

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37		---		---		2		4		5		6		6		6		4		2		1		1

Most Rain Reported in a Month

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		49.3		4.1		3.5		5.9		7.7		7.1		10		8.3		17.1		11.4		7.4		8.2		8.6

Least Recorded Rainfall

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		21.8		0.1		0.1		0.6		1		0.3		0.9		1.2		0.5		---		0.2		0.6		0.2

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		38.2		10.7		8.1		7		1.7		0.1		---		---		---		---		0.4		1.9		8.3

HUMIDITY

Average Morning Relative Humidity

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		80		77		78		79		77		77		78		82		85		85		82		81		80

Average Evening Relative Humidity

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		58		66		63		59		53		51		52		54		55		55		53		62		68

Average Dew Point

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		39		14		18		27		36		46		56		62		61		54		42		31		21

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6536		1364		1109		862		492		235		35		5		19		84		391		750		1190

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		752		---		---		---		---		46		143		259		226		66		12		---		---

Growing Degree Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2818		---		---		---		---		279		570		744		682		450		93		---		---

VISIBILITY

Average Number of Days With Fog

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		131		12		11		12		10		10		8		9		12		11		11		12		13

Average Number of Clear Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		84		7		6		5		6		7		7		8		9		9		9		5		6

Average Possibility of Sunshine

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		54		46		47		50		50		57		67		65		63		58		56		39		44

Average Number of Cloudy Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		176		18		16		18		16		14		11		11		11		11		13		18		19

Average Number of Partly Cloudy Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105		6		6		8		8		10		12		12		11		10		9		7		6

WIND

Average Wind Speed

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		10		11		10		11		12		11		10		9		9		9		10		12		11

NEARBY - MAP

NEARBY - LIST

Des Plaines, Illinois (1 mi / 1 km)
Glenview, Illinois (7 mi / 12 km)
Naperville, Illinois (14 mi / 23 km)
Bedford Park, Illinois (16 mi / 25 km)
Barrington, Illinois (18 mi / 29 km)

GEOBA.SE

Chicago, Illinois

WEATHER FORECAST