JOLIET, ILLINOIS

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Elevation: 582 feet Latitude: 41 31N Longitude: 088 10W

WEATHER

Monthly - Summary

CURRENT CONDITIONS

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MONTHLY - WEATHER AVERAGES SUMMARY [ Show All Data ]

[ °C ] °F

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		49.4		21.7		26.9		37.2		48.2		59.6		69.8		73.7		71.6		64.5		52.7		39.9		27.4

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		59.6		29.9		35.2		46.8		59.5		71.6		81.3		84.6		82.4		76		64.1		48.3		35.2

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		39.2		13.5		18.6		27.6		36.9		47.5		58.2		62.8		60.7		52.9		41.2		31.4		19.5

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		37		1.6		1.6		2.5		3.8		3.9		4.2		4.3		3.8		3.1		2.7		3		2.4

Average Number of Days With Precipitation

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		108		9		8		10		11		11		10		8		8		8		8		8		9

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		89.3		41.9		45.3		56.2		67.5		81.9		87.5		89.3		88		83.6		71.9		57.9		44.8

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-1.1		-1.1		3.7		21		32		42.2		52.2		58.9		53.4		49.1		35.2		21.3		6.3

Average Number of Days Above 90F/32C

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30.4		---		---		---		---		1.2		7.3		9.8		7.7		4		0.3		---		---

Average Number of Days Below 32F/0C

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		129.7		28.5		25.5		22.1		6.9		0.6		---		---		---		0.2		3.6		16.5		25.7

Average Snowfall

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		24.7		6.4		5.5		3.9		0.5		---		---		---		---		---		0.2		2.7		5.5

Average Number of Rainy Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65.1		4.2		4.1		6.1		6.8		6.7		7.1		6.7		6.2		5		4.1		3.5		4.6

Average Relative Humidity

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74		80		77		76		70		70		72		71		74		74		71		76		80

Average Dew Point

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		41		20		20		29		38		47		59		62		62		53		44		30		22

NEARBY - MAP

NEARBY - LIST

Rockdale, Illinois (3 mi / 5 km)
Channahon, Illinois (10 mi / 16 km)
Sand Ridge, Illinois (14 mi / 23 km)
Morris, Illinois (17 mi / 28 km)
Paytonville, Illinois (17 mi / 28 km)

GEOBA.SE

Joliet, Illinois

WEATHER FORECAST