OLNEY, ILLINOIS

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Elevation: 147 meters Latitude: 38 42N Longitude: 088 04W

WEATHER

Monthly - Summary

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Climate Summary

Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

07:09 am

08:33 pm
Local Time
1:05 am EDT
19 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.9		-0.5		1.1		6.8		12.8		18.2		23.2		25.2		24.4		20.8		14.3		7.3		1.2

Average High Temperature

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.9		4.3		6.3		12.6		19.1		24.7		29.7		31.8		31.1		27.7		21.2		12.9		5.8

Average Low Temperature

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.9		-5.3		-4.1		1.1		6.6		11.8		16.8		18.7		17.8		13.8		7.4		1.7		-3.4

Highest Recorded Temperature

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		44.4		23.9		25.6		31.7		32.8		36.7		41.1		44.4		42.8		41.1		36.1		31.7		23.3

Lowest Recorded Temperature

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-31.7		-31.1		-31.7		-26.1		-6.1		-1.7		2.2		7.2		5		-2.8		-8.3		-18.9		-28.3

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		0.3		---		---		---		---		---		---		---		0.2		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		44.2		---		---		---		---		1.6		8.9		14.7		12.7		5.9		0.4		---		---

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		112.2		---		---		0.3		2.3		9		23.6		29		27.2		16.9		3.7		0.3		---

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		171.5		---		0.1		3.4		10.8		23		29.2		30.9		31		26.7		13.5		2.8		0.1

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		222.8		1.1		2.3		9.7		21.2		29.8		30		31		31		29.6		25.1		10.3		1.6

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		268.6		5.1		7.7		18.6		27.7		31		30		31		31		30		30.1		19.1		7.3

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		311.5		12.6		16.2		26.3		29.7		31		30		31		31		30		30.9		26.4		16.4

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		348.1		31		28		31		30		30.7		26		24		26.2		29.3		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		275.9		31		28		30.8		28.4		23.7		10.3		5.6		8.4		19.9		28.9		29.9		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		211.9		30.7		27.7		28.9		22.5		12.4		1.2		---		0.6		8.3		21.7		27.6		30.3

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		157.9		29.8		26.2		24.2		12.7		2.5		---		---		---		1.3		11.2		21.3		28.7

Average Number of Days Below 32F/0C

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		103.6		24.9		21.2		14.7		3.8		0.2		---		---		---		0.1		3.4		12.8		22.5

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		39.7		14		9.9		3.2		---		---		---		---		---		---		0.1		2.2		10.3

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		13.8		6.4		3.5		0.3		---		---		---		---		---		---		---		---		3.6

Average Number of Days Below 0F/-17C

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4		1.9		1.1		0.1		---		---		---		---		---		---		---		---		0.9

PRECIPITATION

Average Precipitation

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1078		79		62		106		101		116		100		94		87		80		78		93		82

Average Number of Days With Precipitation

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106		9		8		10		11		11		9		8		8		7		7		9		9

Most Reported Precipitation in a Month

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		325		305		179		323		244		325		244		298		284		311		313		310		254

Least Reported Precipitation in a Month

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1		2		1		7		25		20		12		6		10		1		3		6		12

Most Precipitation Reported in a Day

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		163.3		80.5		64.5		160		95.2		136.4		112.5		115.6		104.7		163.3		116.8		135.6		100.3

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		74.6		5.2		4.8		7.2		7.8		8		6.8		5.8		5.2		4.9		5.4		6.6		6.9

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

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		73		6		5		7		7		8		7		6		5		5		5		6		6

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

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29		2		2		3		3		3		3		2		2		2		2		3		2

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		32.6		2		1.8		3.1		3.1		3.8		3.1		2.8		2.2		2		2.7		3.1		2.9

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

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		1		1		1		1		1		1		1		1		1		1		1		1

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		103.3		8.7		7.7		10.1		10.6		10.2		9.1		7.7		7.5		7.2		7.1		8.5		8.9

Most Rain Reported in a Day

Years on Record: 107

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		160		80		80		160		90		130		110		110		100		160		110		130		100

Most Rain Reported in a Month

Years on Record: 107

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1610		300		170		300		330		320		240		290		220		310		310		310		250

Least Rain Reported in a Month

Years on Record: 107

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		640		---		---		---		20		10		10		---		---		---		---		10		10

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		39.6		10.9		9.9		6.9		0.5		---		---		---		---		---		0.2		1.5		9.7

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.2		2.7		1.9		0.5		---		---		---		---		---		---		---		0.2		1.9

Most Snow Reported in a Month

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		62.2		62.2		47		53.9		15.2		---		---		---		---		---		5.6		15.5		34.5

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		4.2		1.6		1		0.3		---		---		---		---		---		---		---		0.1		1.2

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		1.4		0.5		0.4		0.1		---		---		---		---		---		---		---		---		0.4

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		0.8		0.2		0.2		0.1		---		---		---		---		---		---		---		---		0.3

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		11		4.6		2.8		0.4		---		---		---		---		---		---		---		0.2		3

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		5.8		2.6		1.3		0.2		---		---		---		---		---		---		---		0.1		1.6

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		3.4		1.8		0.5		0.1		---		---		---		---		---		---		---		---		1

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		0.3		0.1		---		---		---		---		---		---		---		---		---		---		0.2

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5137		1113		892		685		342		119		10		---		2		59		298		615		1001

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1204		---		---		2		17		82		262		354		318		145		24		1		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3828		4		7		56		190		431		702		818		781		537		233		61		9

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		10.3		11.3		12.4		13.7		14.8		15.4		15.1		14.1		12.8		11.6		10.5		10

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		14.1		6.6		9.3		12.9		16.6		19.4		21.5		22.1		19		16.5		12		7.5		5.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		3		4.1		5.6		7.2		8.3		8.7		8.2		7.4		5.7		4.3		3.2		2.7

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		10.4		12.3		14.9		16.8		17.8		18.8		19.7		18.4		18.5		16.1		11.2		9.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		10.1		11.8		13.8		15.6		17.2		19.5		21.3		18.5		19.1		16.3		11.1		9.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.1		6.6		9.3		12.9		16.6		19.4		21.5		22.1		19		16.5		12		7.5		5.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		3		4.2		5.7		7.4		8.6		9.1		8.8		7.7		6.3		4.6		3.3		2.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.4		13.3		15.2		18.4		20.4		22.1		21.6		21.8		20.2		22.3		18.1		15.8		11.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.5		14.2		16.2		19		21.9		26.1		25.8		26.2		21.9		25.8		19.3		17.6		12.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		5		6.8		9.1		13.1		17.1		18.1		18.2		16.3		13.2		8.9		4.8		4.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		2.8		3.8		5.2		6.6		7.3		7.9		7.5		7		4.8		4		2.8		2.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.6		7.1		8.1		9.8		13		15.7		16		16.3		15.8		14.2		10.9		6.1		6.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.6		5.8		6.3		6.8		9.5		13.1		13.8		14.5		13.7		12.3		9.1		4.6		5.8

NEARBY - MAP

NEARBY - LIST

Sumner, Illinois (10 mi / 16 km)
Wilcox, Illinois (13 mi / 21 km)
Clay City, Illinois (15 mi / 24 km)
West Liberty, Illinois (15 mi / 24 km)
Willow Hill, Illinois (16 mi / 26 km)

GEOBA.SE

Olney, Illinois