DECATUR, ILLINOIS

Home > North America > United States > Illinois
Elevation: 680 feet Latitude: 39 50N Longitude: 088 52W

WEATHER

Monthly - Summary

CURRENT CONDITIONS

PRINT THIS DATA

MONTHLY - WEATHER AVERAGES SUMMARY [ Show All Data ]

[ °C ] °F

Average Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		53		28		31		41		52		63		72		77		75		68		57		43		31

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64		37		40		52		64		75		84		89		87		81		69		53		40

Average Low Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		43		20		22		31		41		52		61		65		63		56		45		33		23

Average Precipitation

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		36.9		2.3		2		3.2		3.8		4.1		4.1		3.2		3.2		3.6		2.8		2.5		2.2

Highest Recorded Temperature

Years on Record: 67

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		113		73		75		89		94		101		105		113		106		104		96		83		70

Lowest Recorded Temperature

Years on Record: 66

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-25		-22		-25		-8		15		25		32		45		40		20		12		-3		-19

Average Number of Days Above 90F/32C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42.3		---		---		---		---		1		9		14		11		7		0.3		---		---

Average Number of Days Below 32F/0C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		120.3		28		22		20		6		0.3		---		---		---		---		4		16		24

Average Snowfall

Years on Record: 64

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		20.1		5		4.8		4		0.4		0.1		---		---		---		---		0.1		1.5		4.2

Average Number of Rainy Days

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		67.8		5.1		4.7		6.3		6.7		6.8		6.9		5.8		5.8		5.7		4.8		4.3		4.9

Average Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		70		76		75		71		66		66		68		70		72		65		65		70		75

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		42		21		25		29		40		50		60		65		64		54		43		31		24

NEARBY - MAP

NEARBY - LIST

Elwin, Illinois (8 mi / 12 km)
Moweaqua, Illinois (16 mi / 26 km)
Monticello, Illinois (20 mi / 32 km)
Clinton, Illinois (22 mi / 36 km)
Mt Pulaski, Illinois (24 mi / 40 km)

GEOBA.SE

Decatur, Illinois

WEATHER FORECAST