BIGHORN, MONTANA

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Elevation: 941 meters Latitude: 46 01N Longitude: 107 06W

WEATHER

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

07:52 am

10:18 pm
Local Time
12:50 pm EDT
2 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.9		-7.2		-3.5		0.8		6.6		11.8		16.9		21.5		20.4		14.1		7.6		-0.1		-5.5

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.3		0.1		3.7		8.1		14.3		19.9		25.4		31.5		30.8		23.7		16.5		7.5		1.8

Average Low Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.4		-14.4		-10.7		-6.5		-1.1		3.7		8.3		11.6		10		4.4		-1.3		-7.7		-12.8

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45		20.6		25		26.7		31.1		37.2		41.7		45		42.8		39.4		35		27.2		20

Lowest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-45.6		-42.2		-42.8		-34.4		-18.9		-12.2		-2.8		-0.6		-2.8		-8.9		-26.1		-36.7		-45.6

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		5.6		---		---		---		---		---		0.6		2.8		2		0.2		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38		---		---		---		---		0.5		4		15		14.5		3.9		0.2		---		---

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		82.5		---		---		0.1		1.2		4.7		12.4		25.5		24.7		11.5		2.4		0.1		---

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		132.8		---		0.1		1.4		5.8		13.8		23		29.4		29.9		20.3		8.1		1.1		---

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		183.8		0.3		1.4		6.5		13.6		23.3		28.7		30.9		30.8		26.3		16.4		5.3		0.4

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		239		3.8		6.6		15.2		22.5		29.1		29.9		31		31		28.9		24.5		12.4		4.1

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		294.3		13.7		15		23		27.5		30.7		30		31		31		29.6		28.9		20.4		13.4

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		364.7		31		28		31		30		31		29.9		30.9		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		356.7		31		28		31		30		30.9		28.6		27.3		28		29.9		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		309.9		31		28		31		29.9		28.8		19		10.3		13.6		26.4		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		245		31		27.9		30.6		26.9		16.3		5.3		0.7		2.3		14.3		28.9		29.7		31

Average Number of Days Below 32F/0C

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		193.7		30.1		27.2		27.5		18.5		6.8		0.5		---		0.2		5.2		19.7		27.6		30.2

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		96.9		23.1		17.3		10.7		3.6		0.2		---		---		---		0.3		3.6		14.2		23.8

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		49.5		14.2		9.8		3.9		0.7		---		---		---		---		---		0.6		5.7		14.6

Average Number of Days Below 0F/-17C

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.7		10.7		5.9		2.4		---		---		---		---		---		---		---		2.9		7.7

PRECIPITATION

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		361		14		13		22		40		56		65		31		24		35		30		17		14

Average Number of Days With Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		82		6		6		7		8		10		10		6		5		6		6		6		6

Most Reported Precipitation in a Month

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		186		52		33		57		147		159		164		186		112		121		65		46		43

Least Reported Precipitation in a Month

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		1		3		1		1		10		16		---		---		---		---		---		2

Most Precipitation Reported in a Day

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		59.2		13.5		17.8		21.8		59.2		45		57.1		45.5		48.8		43.4		48		27.2		18.3

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		40.8		1.9		1.7		3		4.2		6.4		5.7		3.6		2.3		3.7		3.9		2.7		1.7

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

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39		2		2		3		4		6		6		3		2		3		4		2		2

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

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		---		---		---		1		1		1		1		---		1		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		5.6		0.1		---		0.3		0.7		0.9		1.1		0.8		0.3		0.7		0.5		0.1		0.1

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		128.8		25.6		18		21.6		14.2		3		---		---		---		2		5.6		15		23.6

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27.2		5.4		4.5		5		1.9		0.6		---		---		---		0.3		1		3.5		5

Average Snow Cover

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		10		7		2		---		---		---		---		---		---		---		2		7

Most Snow Reported in a Month

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		88.9		82.5		48.3		78.7		77.5		53.3		---		---		---		27.9		31.8		54.6		88.9

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		18.4		3.7		3		3		1.6		0.5		---		---		---		0.3		0.6		2.3		3.4

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		5.3		1		0.7		1		0.6		0.2		---		---		---		0.1		0.2		0.6		0.9

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		2.4		0.4		0.2		0.5		0.3		0.1		---		---		---		0.1		0.2		0.2		0.4

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		0.3		---		---		0.1		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		64.3		17.2		13.4		8.2		2.3		0.5		---		---		---		0.3		1.3		6.9		14.2

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		40.1		10.8		9.5		4.3		1.2		0.2		---		---		---		0.1		0.8		3.7		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		25.6		7.5		6		2.7		0.8		0.2		---		---		---		0.1		0.6		1.9		5.8

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		6.7		2.4		1.2		0.7		0.2		0.1		---		---		---		---		0.1		0.4		1.6

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7763		1339		1102		932		626		368		139		30		43		248		621		982		1334

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		487		---		---		---		---		8		64		200		180		33		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2176		---		---		7		47		172		381		635		604		271		54		4		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.7		10.9		12.5		14.1		15.6		16.3		15.9		14.6		13		11.4		10		9.3

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		14.2		5.3		8.7		12.7		17.4		21.1		23.5		24.1		21.1		15.4		10.2		6.3		4.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		3.1		4.4		6.3		7		8.8		9.3		9.1		8		6.7		4.9		3.5		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		15.7		9.2		12.9		15.6		18.2		19.4		20.4		21.5		21		17.8		13.9		10.2		7.9

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		7.8		11.6		13.8		18.6		20.2		22.9		24.4		22.5		17.1		13.1		9		7.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.2		5.3		8.7		12.7		17.4		21.1		23.5		24.1		21.1		15.4		10.2		6.3		4.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		3.5		4.9		6.7		7.4		9		9.6		9.8		8.2		7.2		5.3		3.8		3.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		10.8		15.1		18.1		21.8		22.5		22.9		23.8		22.1		20.7		15.8		11.7		9.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		9.8		14.4		17		23.5		25.4		27.2		27.5		24		20.7		15.1		10.7		8.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.8		4.6		7.1		10.6		14.6		16.3		19.7		19.3		19.3		12.6		9		4.9		3.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		2.8		3.8		5.8		6.6		8.7		9.2		8.9		7.9		6.2		4.5		3		2.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.8		7.7		10.5		13		15.1		14.9		17.1		17.1		19.1		14.2		11.9		7.5		6.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.6		6.3		8.9		10		14.3		12		16.4		16.4		19.6		12.6		11.1		6.4		5.2

NEARBY - MAP

NEARBY - LIST

Sanders, Montana (20 mi / 32 km)
Custer, Montana (21 mi / 34 km)
Colstrip, Montana (25 mi / 41 km)
Hathaway, Montana (28 mi / 46 km)
Forsyth, Montana (29 mi / 47 km)

GEOBA.SE

Bighorn, Montana