GREAT FALLS, MONTANA

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Elevation: 1116 meters Latitude: 47 29N Longitude: 111 22W

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

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TEMPERATURE

Average Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7		-6		-2		---		6		11		16		20		19		13		8		1		-3

Average High Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13		---		2		6		12		18		23		28		27		21		15		6		1

Average Low Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1		-11		-8		-5		---		5		9		12		11		6		2		-3		-8

Highest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41		19		21		25		31		33		38		40		41		36		32		24		17

Lowest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-41		-38		-37		-33		-21		-9		---		4		-1		-6		-23		-31		-41

Average Number of Days Above 90F/32C

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17		---		---		---		---		---		2		7		7		1		---		---		---

Average Number of Days Above 65F/18C

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		140		---		---		1		6		16		24		30		29		21		11		1		---

Average Number of Days Below 32F/0C

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		156		27		24		26		16		3		---		---		---		2		11		21		26

Average Number of Days Below 5F/-15C

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33		11		7		4		---		---		---		---		---		---		---		3		8

PRECIPITATION

Average Precipitation

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		380		20		10		20		30		60		60		30		30		20		20		10		10

Average Number of Days With Precipitation

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		64		5		4		6		6		8		9		5		4		5		4		4		4

Most Reported Precipitation in a Month

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		235		48		37		47		96		235		207		100		84		89		57		41		60

Least Reported Precipitation in a Month

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		3		---		4		6		23		10		---		---		3		---		---		---

Most Precipitation Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		97.3		22.9		11.9		31		64.5		69.8		97.3		38.1		45		53.3		34.3		12.2		15

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40		3		2		3		4		6		7		3		3		3		2		2		2

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		---		---		---		1		2		2		1		1		1		---		---		---

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

Years on Record: 26

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

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		101		9		8		9		9		12		12		8		8		7		6		7		8

Average Number of Days With Thunderstorms

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		---		---		---		1		3		7		7		6		1		---		---		---

Most Rain Reported in a Month

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		640		50		50		50		110		200		130		110		120		80		80		50		40

Least Recorded Rainfall

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		220		---		---		---		---		10		10		---		---		---		---		---		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		150		25		21		26		18		4		---		---		---		3		8		19		22

Most Snow Reported in a Month

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		83.8		83.8		48.3		57.1		38.1		---		---		---		---		---		17.8		62.2		51.6

HUMIDITY

Average Morning Relative Humidity

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		67		67		67		69		68		70		71		66		64		66		63		64		65

Average Evening Relative Humidity

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		45		61		55		50		41		40		40		30		30		36		43		55		59

Average Dew Point

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2		-12		-10		-7		-3		1		5		6		5		2		-1		-6		-10

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4300.6		754.4		585		546.1		356.7		206.7		86.7		20.6		50.6		166.1		301.7		518.3		707.8

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		215.6		---		---		---		---		---		30		76.1		83.3		26.1		---		---		---

Growing Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		988.4		---		---		---		---		51.7		200		327.2		292.8		116.7		---		---		---

VISIBILITY

Average Number of Days With Fog

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		48		6		6		6		5		4		3		1		1		3		3		5		5

Average Number of Clear Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		79		5		4		4		4		4		5		13		12		10		7		5		5

Average Possibility of Sunshine

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		61		49		56		66		62		62		65		79		76		67		61		46		44

Average Number of Cloudy Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		180		19		17		18		18		17		14		6		8		11		15		18		18

Average Number of Partly Cloudy Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106		7		7		9		8		10		11		12		11		9		9		7		8

WIND

Average Wind Speed

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		22		30		28		25		22		19		19		17		17		19		25		28		30

NEARBY - MAP

NEARBY - LIST

Ulm, Montana (0 mi / 1 km)
Black Eagle, Montana (3 mi / 6 km)
Malmstrom, Montana (8 mi / 13 km)
Malmstrom Air Force Base, Montana (9 mi / 15 km)
Power, Montana (15 mi / 25 km)

GEOBA.SE

Great Falls, Montana

WEATHER FORECAST