LITTLETON, COLORADO

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Elevation: 1629 meters Latitude: 39 37N Longitude: 105 01W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

07:50 am

10:02 pm
Local Time
3:39 am EDT
9 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.1		-0.2		1.3		5.8		9.9		13.9		18.9		22.4		21		16.3		9.4		3.6		-1.3

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.1		8.1		9.4		13.7		18		21.3		26.7		30.3		28.4		24.3		17.7		11.7		6.5

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.2		-8.5		-6.9		-2.2		1.9		6.6		11.2		14.6		13.6		8.3		1.2		-4.4		-9.2

Highest Recorded Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.2		22.2		24.4		30		31.1		32.2		36.7		37.2		36.7		34.4		31.1		27.8		24.4

Lowest Recorded Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-33.9		-28.9		-30.6		-20.6		-14.4		-6.1		2.2		6.7		5.6		-8.3		-16.7		-18.9		-33.9

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		0.2		---		---		---		---		---		---		0.2		---		0.1		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18.1		---		---		0.1		0.1		0.2		3.6		10		3.3		0.9		---		---		---

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		85.3		---		0.1		0.3		2.5		5.3		15.4		25.9		22.8		11.1		1.7		0.2		---

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		157.3		0.3		1.4		5.1		10		16.3		26.3		30.5		29.9		22.6		11.5		3		0.4

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		4		6.7		12.6		19.8		26.4		29.7		31		30.9		27.8		21		9.6		2.4

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		282.5		13.2		13.8		21.5		26.8		30.2		30		31		31		29.6		26.6		18.3		10.5

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		328.6		21.8		21.1		28.7		29.2		31		30		31		31		30		29.7		24.8		20.3

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		364.9		31		28		31		30		31		30		31		30.9		30		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		346.2		31		28		31		30		30.8		27.4		20.6		25.5		29.8		31		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		269.3		31		28		30.9		29.4		26.2		10.4		0.4		2.1		18.8		31		30		31

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		209		30.9		27.7		29.4		21.2		8.5		0.6		---		---		5.1		25.4		29.3		30.9

Average Number of Days Below 32F/0C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		158.6		30.4		26.2		21.7		10.9		1.3		---		---		---		1.2		10.8		25.7		30.4

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		66.2		19.5		12.2		4		0.6		---		---		---		---		0.1		0.6		9.3		19.9

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		21.6		6.5		4		0.7		0.1		---		---		---		---		---		0.3		2.1		7.9

Average Number of Days Below 0F/-17C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		1.9		2.2		0.1		---		---		---		---		---		---		---		0.1		2.7

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		422		11		16		34		41		67		47		49		50		31		30		29		17

Average Number of Days With Precipitation

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		71		4		4		7		6		10		7		7		8		5		4		5		4

Most Reported Precipitation in a Month

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		116		17		30		108		75		111		116		100		107		54		115		70		39

Least Reported Precipitation in a Month

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		10		6		21		---		12		3		2		1		---		---

Most Precipitation Reported in a Day

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		58.4		9.4		12.2		40.4		33		45		58.4		42.2		45.2		34		36.3		28.2		18.5

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

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40		2		2		4		4		6		4		4		4		2		3		3		2

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

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		---		---		1		1		2		1		1		1		1		1		1		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		167.1		22.6		19.8		30.2		19.8		1.5		---		---		---		2.3		7.6		31		32.3

Average Snow Cover

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		7		2		2		---		---		---		---		---		---		---		5		7

Most Snow Reported in a Month

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		91.4		54.6		45.7		81.3		38.1		10.2		---		---		---		25.4		30.5		81.3		91.4

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5926		1035		859		701		455		255		64		5		11		151		498		794		1098

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		543		---		---		---		2		10		96		235		158		41		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2627		1		4		29		106		245		482		695		612		351		86		15		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		10.3		11.2		12.5		13.8		14.9		15.5		15.2		14.1		12.9		11.6		10.5		9.9

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		16.1		8		11.4		15.7		19.4		22.4		24.1		23.7		20.9		17.7		13.3		9.1		7.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		2.6		3.5		4.9		6.6		7.7		8.1		7.7		6.8		5.2		3.7		2.7		2.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.5		14.4		16.7		19.4		20		20.5		20.9		21.1		20.4		20.3		18.9		15.4		14.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.6		15.4		18.3		20.8		21.4		22.9		24.6		24.7		22.6		22.5		20.7		17.2		15.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.1		8		11.4		15.7		19.4		22.4		24.1		23.7		20.9		17.7		13.3		9.1		7.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		2.8		4		5.4		7.1		8.5		8.9		8.3		7.3		5.8		4.2		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		21.2		16.7		20.5		23.3		22.8		22.8		24.5		22.7		22.2		22.7		21		18.1		17

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.5		18.9		24.6		27.4		26.8		28		33.8		28.6		26.2		26.7		23.8		21.3		19.6

Minimum 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		7		9.4		13.5		17.2		16.7		20.9		21.7		19		15.6		11.9		7.7		6.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		2.3		2.7		3.9		5.8		7		6.5		7.1		6.3		4.5		3.4		2.3		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		11.9		13.1		16.1		17.5		15.3		18.2		19.3		18.6		17.5		16.2		12.2		11.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		11.8		12.6		15.5		16.8		12.8		18.4		20.7		18.9		17.6		16.6		12.3		11

NEARBY - MAP

NEARBY - LIST

Columbine Valley, Colorado (2 mi / 4 km)
Arvada, Colorado (9 mi / 15 km)
Dove Valley, Colorado (9 mi / 15 km)
Englewood, Colorado (9 mi / 14 km)
Glendale, Colorado (9 mi / 15 km)

GEOBA.SE

Littleton, Colorado