MACKINAW, ILLINOIS

Home > North America > United States > Illinois
Elevation: 198 meters Latitude: 40 32N Longitude: 089 21W

WEATHER

Monthly - Summary

Nearby

Forecast

Monthly - All Data

Climate Summary

Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

07:14 am

08:39 pm
Local Time
8:21 pm EDT
17 April, 2024

PRINT THIS DATA

MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.4		-2.8		0.2		5.3		9.9		17.7		24.1		24.6		23.9		18.4		12.8		5.5		-3.2

Average High Temperature

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.6		2.3		5.6		11.6		16.2		24.1		30.7		32.6		30.6		25.5		20.1		10.3		1.5

Average Low Temperature

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.2		-7.8		-5.1		-1		3.6		11.2		17.5		16.6		17.2		11.4		5.4		0.7		-7.9

Highest Recorded Temperature

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.3		17.8		17.8		27.2		25.6		34.4		38.3		36.7		37.8		34.4		30		24.4		15.6

Lowest Recorded Temperature

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-25.6		-25.6		-23.3		-25.6		-6.7		-1.7		4.4		7.2		6.7		-2.2		-6.7		-12.8		-21.1

Average Number of Days Above 90F/32C

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		52		---		---		---		---		4.5		14.5		19		13		1		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		128.3		28		23		19.7		7.5		1.5		---		---		---		---		4.3		16		28.3

Average Number of Days Below 0F/-17C

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.7		2.7		1.7		1		---		---		---		---		---		---		---		---		2.3

PRECIPITATION

Average Precipitation

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		972		51		45		74		104		102		110		102		85		92		72		71		66

Average Number of Days With Precipitation

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		102		8		7		9		11		11		9		8		8		7		7		8		9

Most Reported Precipitation in a Month

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		332		224		128		204		202		246		283		326		233		332		311		255		186

Least Reported Precipitation in a Month

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1		5		8		15		18		12		8		14		6		4		1		17		8

Most Precipitation Reported in a Day

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		152.4		89.7		53.9		58.4		79.8		72.6		101.1		127.2		106.2		152.4		109.2		63.8		97.5

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		74.1		4.6		4		6.5		7.5		7.5		6.9		6.6		6.6		5.5		6.2		6.5		5.7

Avg. No. of Days w/Precip. Above 0.2in/5mm

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		69		5		4		6		8		7		7		6		6		5		5		5		5

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		1		1		2		3		3		3		3		2		2		2		2		1

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.6		1.3		1.2		2		2.8		2.8		2.6		2.8		2.5		2		2.1		2.8		1.7

Avg. No. of Days w/Precip. Above 1in/25mm

Years on Record: 71

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

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		65		18		16.3		9.1		1.5		---		---		---		---		---		0.2		4.3		15.5

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.3		4.7		3.5		1.3		0.3		---		---		---		---		---		---		0.6		3.9

Most Snow Reported in a Month

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		70.9		70.9		48.3		45.7		24.1		---		---		---		---		---		6.3		24.1		54.4

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.9		3		2.3		1		0.2		---		---		---		---		---		---		0.2		2.2

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.9		0.6		1		0.3		0.1		---		---		---		---		---		---		0.1		0.8

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.4		0.1		0.2		---		---		---		---		---		---		---		---		---		0.1

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37.7		15		10.9		2.5		0.2		---		---		---		---		---		---		0.3		8.8

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.1		9.3		8.1		1.3		0.1		---		---		---		---		---		---		0.1		5.2

Avg. # of Days w/Snow Depth Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10.6		3.9		4.2		0.1		---		---		---		---		---		---		---		---		2.4

Avg. # of Days w/Snow Depth Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.4		0.5		0.4		---		---		---		---		---		---		---		---		---		0.5

DEGREE DAYS

Heating Degree Days

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1997.2		482.2		356.1		251.1		101.7		20.6		---		---		---		2.8		57.2		229.4		496.1

Cooling Degree Days

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		675.6		---		---		1.1		0.6		64.4		180.6		194.4		176.1		52.2		5.6		0.6		---

Growing Degree Days

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1885.6		---		---		---		---		237.7		423.3		452.9		432.3		253.3		86.1		---		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.2		11.2		12.5		13.8		15		15.6		15.2		14.2		12.9		11.5		10.4		9.8

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		6.7		9.6		12.7		16.3		19.2		21.5		22		18.8		15.7		11.1		6.8		5.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		2.7		3.7		5.4		7		8.2		8.7		8.1		7.3		5.6		4.1		3		2.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.5		11.7		13.8		15.2		16.6		17.6		18.8		19.6		18.3		17.9		15.2		10.7		10.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		11.8		13.9		14.4		15.5		17.3		19.9		21.5		18.6		18.5		15.3		10.6		10.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		6.7		9.6		12.7		16.3		19.2		21.5		22		18.8		15.7		11.1		6.8		5.7

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		2.8		3.9		5.5		7.2		8.5		9		8.8		7.6		6.1		4.4		3.1		2.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19		13.8		16.9		20.9		19.9		21.9		22		21.9		20.1		22.6		18		16.6		13.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.6		14.4		18		23.5		21.5		26.1		27.4		26.9		22.1		26.8		19.2		19		14.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		5.8		8		9.9		12.7		14.8		19.3		16.4		16.9		12.6		8.4		4.6		4.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		2.6		3.4		4.4		6.5		7.3		7.7		7.4		6.9		4.4		3.8		2.5		2.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.9		9.2		10.5		11.1		12.7		13.6		16.9		14.7		16.4		13.6		10.5		6.2		7.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.2		8.8		9.7		8.5		9.4		10		15.8		11.9		15.1		11.8		8.9		4.9		7.3

NEARBY - MAP

NEARBY - LIST

Morton, Illinois (7 mi / 12 km)
Minier, Illinois (11 mi / 18 km)
Eureka, Illinois (13 mi / 21 km)
Twin Grove, Illinois (14 mi / 22 km)
Bloomington Heights, Illinois (18 mi / 29 km)

GEOBA.SE

Mackinaw, Illinois