COLSTRIP, MONTANA

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Elevation: 1000 meters Latitude: 45 53N Longitude: 106 36W

WEATHER

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

07:53 am

10:13 pm
Local Time
8:20 pm EDT
30 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.9		-5.6		-2.9		1.4		7.3		12.7		17.6		22.1		21.1		15.2		8.8		1.3		-3.8

Average High Temperature

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.6		1.3		3.9		8.3		14.8		20.4		25.4		31.2		30.4		23.9		16.8		8.1		2.8

Average Low Temperature

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.2		-12.5		-9.8		-5.6		-0.3		4.9		9.6		13.1		11.8		6.3		0.7		-5.4		-10.6

Highest Recorded Temperature

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.9		20.6		22.2		27.2		32.2		37.2		42.2		43.3		43.9		38.9		34.4		26.7		23.3

Lowest Recorded Temperature

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-45.6		-41.1		-45.6		-33.3		-26.7		-13.9		-2.2		1.1		0.6		-8.3		-22.2		-35.6		-38.9

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		0.8		---		---		---		---		---		---		0.5		0.2		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36.1		---		---		---		---		0.9		3.9		14.6		13.3		3.3		0.1		---		---

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		66.5		---		---		0.1		0.7		3.2		8.9		22.4		21.6		8.3		1.2		---		---

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		118.8		---		0.1		0.7		4.2		11.4		20.9		29.1		28.8		17.2		5.9		0.6		---

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		173.6		0.4		1.2		5.3		12.2		21.9		27.9		30.7		30.7		24.8		14.1		4.1		0.5

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		231.8		4.5		6.5		14		20		28.1		29.8		31		30.9		28.4		22.8		11.7		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		292.1		14.9		14.7		22.1		26.9		30.5		30		31		31		29.6		28.5		19.9		13.1

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		364.2		31		28		31		30		31		29.9		30.6		30.8		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		344.5		31		28		31		30		30.8		27		21.4		24.1		29.3		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		285		31		28		31		29.8		26.1		13.8		4.3		6.9		22.8		30.5		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		218.1		30.7		27.8		29.8		24.9		11.8		1.6		0.1		0.5		6.8		24.6		28.7		30.9

Average Number of Days Below 32F/0C

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		173.7		29.3		26.4		26.2		16.1		4.5		0.3		---		---		2.8		13.7		25.1		29.5

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		71.1		18.2		14.1		7		1.7		---		---		---		---		0.2		2		8.7		19.2

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		34.7		10.6		7.1		3		0.2		---		---		---		---		0.1		0.4		3.3		9.7

Average Number of Days Below 0F/-17C

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.3		9.2		5.1		2.3		0.1		---		---		---		---		---		---		1.8		5.8

PRECIPITATION

Average Precipitation

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		382		15		14		23		41		64		68		33		29		32		32		16		14

Average Number of Days With Precipitation

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75		6		5		7		7		10		9		6		5		5		5		5		5

Most Reported Precipitation in a Month

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		261		60		38		71		151		236		261		138		106		106		158		43		44

Least Reported Precipitation in a Month

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		1		2		---		6		7		1		---		3		---		1		---

Most Precipitation Reported in a Day

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		95.8		24.6		23.1		39.1		71.6		67.1		95.8		47.8		46.5		55.9		62.5		30		20.6

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		40.7		1.8		1.7		3.2		4.1		6.2		6.3		3.8		2.5		3.4		3.6		2.4		1.7

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

Years on Record: 84

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

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

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		---		---		---		1		2		2		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		7.2		---		---		0.4		0.9		1.6		1.6		0.7		0.5		0.6		0.7		0.2		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		105.9		17.8		15.8		19.1		12.9		1.5		0.5		---		---		1.5		6.3		12.7		17.8

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.7		4.7		4.2		4.1		1.4		0.4		---		---		---		0.1		0.9		2.4		4.5

Average Snow Cover

Years on Record: 51

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

Most Snow Reported in a Month

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		72.4		48.3		50.8		72.4		56.9		20.3		20.3		---		---		29.2		67.8		47		55.9

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		14.9		3.2		2.9		2.3		1		0.3		---		---		---		0.1		0.7		1.6		2.8

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		3.7		0.6		0.6		0.7		0.4		0.2		---		---		---		0.1		0.3		0.3		0.5

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		1.1		0.1		---		0.2		0.2		0.1		---		---		---		---		0.2		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		61.8		15.7		12.4		7.9		2.1		0.3		---		---		---		0.1		1.6		6.7		15

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		31.5		7.7		6.1		4.3		1.4		0.2		---		---		---		0.1		0.9		3.5		7.3

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		14.1		4		1.9		2.3		0.5		0.1		---		---		---		---		0.3		1.9		3.1

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		2.2		0.6		0.2		0.7		0.1		---		---		---		---		---		---		0.1		0.5

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7371		1242		1054		910		617		351		128		27		39		237		592		924		1251

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		498		---		---		---		1		11		67		203		177		38		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2242		---		1		8		49		186		393		642		604		284		67		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		12.8		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

Lame Deer, Montana (17 mi / 28 km)
Ashland, Montana (19 mi / 30 km)
Bighorn, Montana (25 mi / 41 km)
Forsyth, Montana (26 mi / 42 km)
Hathaway, Montana (26 mi / 42 km)

GEOBA.SE

Colstrip, Montana