JANESVILLE, WISCONSIN

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Elevation: 240 meters Latitude: 42 37N Longitude: 089 22W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

06:57 am

08:52 pm
Local Time
11:34 pm EDT
26 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 101

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8		-7		-5		---		8		14		20		22		21		16		10		2		-4

Average High Temperature

Years on Record: 101

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14		-2		---		6		14		21		26		29		28		23		17		7		---

Average Low Temperature

Years on Record: 101

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2		-12		-11		-4		1		7		13		15		14		9		3		-2		-9

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30.9		2.2		4.9		10.7		18.4		25.9		29		30.9		30.7		25.1		19.8		12.5		3.6

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-25.7		-25.7		-21.6		-9.9		-1.9		3.6		7.2		11.5		10.2		5.4		-1.8		-9.9		-20.7

Average Number of Days Above 100F/38C

Years on Record: 30

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

Average Number of Days Above 90F/32C

Years on Record: 95

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		---		---		---		---		0.8		4.4		7.9		5.3		1.6		---		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		69.8		---		---		---		1.3		5.1		14.8		21.2		17.5		8.5		1.3		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		136.2		---		---		1		5.8		15.5		26.4		30.4		29.4		20.3		6.6		0.8		---

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		183.2		---		0.2		3.6		13.7		25.8		29.6		31		30.9		27.9		16.5		3.8		0.2

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		225.2		0.8		1.4		9		22.9		30.4		30		31		31		30		26.3		11		1.4

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		267.2		3.5		6.4		18.9		28.4		31		30		31		31		30		30.5		20.5		6

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		360.6		31		28		31		30		30.9		29.3		29.1		29.4		29.8		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		318.1		31		28		31		29.8		28.8		19.6		13.8		17.9		26.7		30.6		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		253.2		31		28		30.7		28.5		20.6		5.2		0.9		3.1		16.6		28.1		29.5		30.9

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		198.3		31		27.9		29		20.9		6.7		0.5		---		0.1		5.1		19.6		26.7		30.6

Average Number of Days Below 32F/0C

Years on Record: 95

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		144.7		30		26.4		23.8		9.5		1		---		---		---		0.4		5.4		19.7		28.6

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		73.4		22		16.9		8.6		0.8		---		---		---		---		---		0.2		6		18.9

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40		15.3		10		2.5		---		---		---		---		---		---		---		1.6		10.5

Average Number of Days Below 0F/-17C

Years on Record: 95

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.2		8.1		4.6		0.5		---		---		---		---		---		---		---		0.4		3.7

PRECIPITATION

Average Precipitation

Years on Record: 101

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		862		36		34		57		79		89		108		97		101		98		67		56		42

Average Number of Days With Precipitation

Years on Record: 95

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		111		9		7		10		11		11		10		9		9		9		8		9		9

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		351		62		90		109		183		179		262		201		351		287		209		140		68

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		2		2		7		13		20		18		34		15		18		19		---		3

Most Precipitation Reported in a Day

Years on Record: 95

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		113.8		44.7		42.7		38.1		47.5		70.4		73.4		87.1		102.1		113.8		55.9		67.8		46

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		69.2		3.9		4.3		5.3		6.9		7.7		7.3		6.2		6.3		5.4		5.8		5.3		4.8

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

Years on Record: 95

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65		4		3		5		7		7		7		6		6		6		5		5		4

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

Years on Record: 95

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21		1		---		1		2		2		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		23.4		0.7		1		1.1		2.4		2.7		3		2.5		2.9		2.3		2		1.7		1.1

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

Years on Record: 95

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

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 95

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		82.8		21.6		14.5		16.5		2.5		---		---		---		---		---		---		7.9		19.8

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.8		6.1		4.6		2.7		0.4		---		---		---		---		---		0.1		1.1		5.8

Most Snow Reported in a Month

Years on Record: 95

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		79.5		79.5		40.1		55.4		27.4		5.1		---		---		---		---		2.8		33		48.3

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		12.5		3.6		2.6		1.8		0.3		---		---		---		---		---		---		0.5		3.7

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		4.3		1.2		1.1		0.5		0.1		---		---		---		---		---		---		0.1		1.3

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		1.3		0.5		0.2		0.1		---		---		---		---		---		---		---		---		0.5

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.1		---		---		---		---		---		---		---		---		---		---		---		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		58.9		21.3		17		6.2		0.3		---		---		---		---		---		---		0.5		13.6

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		38.9		15.3		11.1		2.8		0.1		---		---		---		---		---		---		0.1		9.5

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		24.6		10.2		7.4		1.1		---		---		---		---		---		---		---		---		5.9

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		3.8		2		0.5		0.1		---		---		---		---		---		---		---		---		1.2

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7198		1437		1173		942		533		240		46		8		23		163		488		843		1302

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		635		---		---		---		5		34		140		222		172		56		6		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2685		---		---		13		82		278		545		679		614		353		105		14		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		11.1		12.5		13.9		15.2		15.8		15.5		14.3		12.9		11.5		10.3		9.6

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		13.4		6.4		9.5		12.8		16.1		19.2		21.3		21.3		18.1		14.7		10		6.4		5.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.4		3.4		5.1		6.9		8.2		8.7		8.2		7.2		5.5		4		2.7		2.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		12.4		14.8		15.8		16.6		17.6		18.5		18.9		17.8		16.9		14		10.8		10.8

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		12.7		15.2		15.5		15.9		17.7		19.8		20.6		18		17.2		13.8		10.9		11

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.4		6.4		9.5		12.8		16.1		19.2		21.3		21.3		18.1		14.7		10		6.4		5.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		2.5		3.6		5.3		7.1		8.5		9		8.7		7.6		5.9		4.2		2.8		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		14.1		18.6		21.7		18.6		22		21.8		20.7		20.4		21.4		17.2		14.7		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		21.2		14.9		20.7		25.1		19.3		26.8		27.3		24.5		23		24.8		18.3		16.3		13.8

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		5.7		8.2		10.5		12.7		15.8		18		18.1		15.3		11.1		8		4.4		4.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.3		2.9		4		6.7		7.2		7.7		7.8		6.7		4.6		3.7		2.5		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		12.1		10.2		12.2		12.3		12.7		14.5		15.8		16.1		14.9		12		10.3		6.3		8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.6		9.9		11.5		10.5		9.8		11.9		14.1		14.9		12.9		9.8		8.8		5.2		7.6

NEARBY - MAP

NEARBY - LIST

Brodhead, Wisconsin (0 mi / 1 km)
Monroe, Wisconsin (13 mi / 22 km)
Rockton, Illinois (15 mi / 24 km)
Beloit, Wisconsin (17 mi / 28 km)
South Beloit, Illinois (20 mi / 32 km)

GEOBA.SE

Janesville, Wisconsin