ZORTMAN, MONTANA

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Elevation: 803 meters Latitude: 47 51N Longitude: 108 00W

WEATHER

Monthly - Summary

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Monthly - All Data

Climate Summary

CURRENT CONDITIONS

Sunrise/Set

09:56 am

07:54 pm
Local Time
8:38 pm EDT
31 October, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.5		-8.8		-5.3		0.1		6.6		12.4		17.3		21.4		20.7		14.1		7.6		-0.9		-7

Average High Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.3		-2.2		1.5		7.2		14.5		20.3		25.2		30.5		30.1		23.1		15.8		6		-0.1

Average Low Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.3		-15.6		-12.2		-7		-1.3		4.4		9.3		12.3		11.4		5.2		-0.7		-7.9		-13.7

Highest Recorded Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42.8		19.4		23.9		27.2		33.3		36.1		41.7		42.8		42.8		39.4		32.8		27.2		20

Lowest Recorded Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-46.1		-46.1		-42.8		-37.2		-21.1		-10		-1.7		1.7		---		-9.4		-23.3		-35.6		-46.1

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		---		---		---		---		---		0.5		2.4		2		0.1		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.4		---		---		---		---		0.6		3.3		12		12.5		2.8		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		79.7		---		---		0.1		1.1		5.1		12		24.5		24.4		10.3		2.1		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		131.9		---		0.1		1.1		6.5		13.7		23.4		29.7		29.6		19.8		7.1		0.9		---

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		183.4		0.4		1.2		5.5		15.4		24.5		28.6		30.8		30.7		26.3		15.9		3.7		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		236		3		5.7		13.8		23.9		29.2		30		31		30.9		28.9		24.9		11.3		3.6

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		285.9		11.4		12.7		21.1		28		30.7		30		31		31		29.9		29.1		19.4		11.7

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		30		30.8		31		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		352.9		31		28		31		30		30.9		28.3		25.1		26.8		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		295.5		31		28		30.9		29.9		27.9		15.3		6.1		8.9		25.8		30.8		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		232.7		30.9		28		30.6		26.4		14.2		2.1		---		0.9		12.1		26.9		29.6		31

Average Number of Days Below 32F/0C

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		185.8		29.4		26.9		27.5		18.4		4.9		0.2		---		---		4.2		17.3		27.2		29.8

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		102.9		24		19.6		12.7		2.7		0.2		---		---		---		0.3		4		15.3		24.1

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		57.6		16.9		12		5.3		0.4		---		---		---		---		---		0.8		6.6		15.7

Average Number of Days Below 0F/-17C

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36.3		12.3		8		3.1		0.1		---		---		---		---		---		0.2		3.2		9.5

PRECIPITATION

Average Precipitation

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		316		9		6		14		28		59		62		42		35		26		17		9		7

Average Number of Days With Precipitation

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		62		5		4		4		6		8		9		7		5		4		3		3		4

Most Reported Precipitation in a Month

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		222		40		16		48		87		122		157		117		108		222		52		31		41

Least Reported Precipitation in a Month

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		3		5		15		---		2		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		127.2		22.9		7.9		20.6		40.6		76.2		64		67.6		62.2		127.2		36.3		15.2		20.8

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		32		1.1		0.8		1.8		2.8		5.9		5.7		4.3		2.8		2.5		2.2		1.3		0.8

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

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		1		1		2		3		5		6		4		3		2		2		1		1

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

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		---		---		---		1		2		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		6.4		---		---		0.1		0.7		1.6		1.3		1		0.7		0.5		0.3		---		0.2

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		94.2		19.3		12.7		15		12.2		2.5		---		---		---		0.2		3		11.7		17.5

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.8		3.2		2.6		2.2		0.8		0.5		---		---		---		---		0.4		2.1		3

Average Snow Cover

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		12		12		7		---		---		---		---		---		---		---		2		7

Most Snow Reported in a Month

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		114.3		96.5		35.6		59.7		114.3		22.9		2.5		---		---		5.1		20.3		43.2		76.2

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		12.6		2.7		2		1.9		0.8		0.5		---		---		---		---		0.4		1.8		2.5

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		0.7		0.5		0.9		0.4		0.1		---		---		---		---		0.1		0.5		0.8

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		1.2		0.1		0.2		0.2		0.2		0.1		---		---		---		---		0.1		0.1		0.2

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		61.9		19.8		13.6		6.7		1.2		0.3		---		---		---		---		0.7		5.4		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		46.4		15.5		10.6		5.2		0.8		0.1		---		---		---		---		0.4		3.5		10.3

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		32.3		11.3		7.4		3.8		0.5		0.1		---		---		---		---		0.3		1.9		7

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		12.2		5.3		3.1		1.7		---		---		---		---		---		---		---		0.4		1.7

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7994		1449		1189		983		593		335		108		21		35		243		616		1029		1393

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		531		---		---		---		1		11		75		213		198		33		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2290		---		---		7		51		192		419		657		628		271		61		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		9.5		10.8		12.5		14.3		15.8		16.6		16.2		14.8		13		11.3		9.8		9.1

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		13.6		4.6		7.8		12.2		17.7		21		22.4		23.6		20.3		14.7		9.5		5.5		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		6.1		2.7		4.1		6.1		7.6		8.9		9.5		9.2		8.1		6.6		4.7		3.2		2.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		7.8		12.1		15.4		18.6		19.3		19.4		21.1		20.3		17.1		13.1		9.4		7.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		7		10.6		13.5		18.6		20.4		21.2		23.9		21.6		16.4		12.3		8.2		6.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		4.6		7.8		12.2		17.7		21		22.4		23.6		20.3		14.7		9.5		5.5		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		6.4		2.9		4.5		6.5		7.7		9.1		9.7		9.7		8.7		7.2		5		3.5		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.2		8.6		14.1		17.7		20.8		22.1		22.5		23.2		22.8		20.3		14.3		10.8		9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		7.8		12.5		16.6		22		25.1		26.9		27.1		24.8		20.4		13.7		9.9		8.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		3.8		6.2		10.9		14.9		16.7		18.4		18.2		18		11.2		8.4		4.2		3.1

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		2.4		3.5		5.8		7.5		8.8		9.4		9.1		7.9		6		4.3		2.6		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		6.2		9.3		13.9		15.4		15.2		15.9		16.1		17.8		12.5		11.5		6.5		5.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.7		5.3		7.7		11.2		13.4		12.8		14.3		14.7		17.6		10.6		10.6		5.4		4.5

NEARBY - MAP

NEARBY - LIST

Phillips, Montana (16 mi / 26 km)
Telegraph Creek, Montana (18 mi / 30 km)
Content, Montana (22 mi / 36 km)
Dodson, Montana (24 mi / 39 km)
East Malta colony, Montana (34 mi / 54 km)

GEOBA.SE

Zortman, Montana