BEAR CREEK RESERVOIR, MONTANA

Home > North America > United States > Montana
Elevation: 990 meters Latitude: 47 14N Longitude: 108 42W

WEATHER

Monthly - Summary

Nearby

Forecast

Monthly - All Data

Climate Summary

CURRENT CONDITIONS

Sunrise/Set

08:05 am

10:19 pm
Local Time
4:17 pm EDT
26 April, 2024

PRINT THIS DATA

MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.9		-5.4		-3.3		0.8		6.4		12.6		17.4		21.5		20.3		14.5		9.5		1.8		-0.8

Average High Temperature

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15		1.1		2.9		6.8		13.1		19.4		24.7		29.7		29.3		22.4		16.9		8.2		5.3

Average Low Temperature

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.9		-11.8		-9.4		-5.1		-0.2		5.7		10.1		13.3		11.9		6.5		2.1		-4.6		-6.9

Highest Recorded Temperature

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40.6		18.9		21.1		24.4		30.6		33.9		36.7		40.6		40.6		35		31.7		23.3		20.6

Lowest Recorded Temperature

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-35.6		-35.6		-31.1		-31.7		-12.2		-2.8		2.8		5.6		2.8		-4.4		-11.7		-31.1		-32.8

Average Number of Days Above 90F/32C

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.7		---		---		---		---		0.4		1.8		9.8		9.8		1.9		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		159.6		27.6		25.1		25.9		16.4		1.8		---		---		---		2.2		11.3		23.2		26

Average Number of Days Below 0F/-17C

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.5		9.8		5.8		1.9		---		---		---		---		---		---		---		1.5		4.7

PRECIPITATION

Average Precipitation

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		309		14		14		8		24		63		65		38		29		19		14		13		8

Average Number of Days With Precipitation

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63		6		5		4		5		8		9		6		5		4		3		4		4

Most Reported Precipitation in a Month

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		161		33		24		19		45		161		117		83		63		71		47		35		17

Least Reported Precipitation in a Month

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		2		1		2		10		9		28		20		6		3		---		1		---

Most Precipitation Reported in a Day

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		50.3		14		14		7.6		22.4		50.3		46.2		41.1		35.3		32		25.1		12.4		8.6

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

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33		2		2		1		3		5		6		4		3		2		2		2		1

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

Years on Record: 9

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

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

Years on Record: 9

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

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		85.1		19.3		18.8		7.6		9.1		0.2		---		---		---		---		3		11.2		15.8

Most Snow Reported in a Month

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		42.9		35.3		40.9		20.6		26.2		1.3		---		---		---		---		12.2		35.6		42.9

DEGREE DAYS

Heating Degree Days

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2575		563.9		454.4		371.1		198.3		59.4		5		---		1.7		38.3		131.7		330		421.1

Cooling Degree Days

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		255		---		---		---		0.6		7.2		31.1		109.4		86.7		17.8		2.2		---		---

Growing Degree Days

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1112.7		---		---		---		---		79.2		221.7		356.5		320.3		135		---		---		---

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		9.6		10.9		12.5		14.2		15.7		16.5		16.1		14.7		13		11.3		9.9		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		13.8		5		8.3		12.3		17		20.6		22.8		23.8		20.5		15		9.7		5.8		4.2

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		2.9		4.3		6.2		7.6		8.9		9.4		9.2		8		6.6		4.8		3.3		2.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.2		8.6		12.5		15.1		17.7		18.9		19.7		21.2		20.4		17.4		13.3		9.6		7.5

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		7.5		11.2		13.2		17		19.5		21.8		24		21.7		16.7		12.6		8.4		6.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		5		8.3		12.3		17		20.6		22.8		23.8		20.5		15		9.7		5.8		4.2

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		3.3		4.7		6.6		7.7		9.1		9.6		10		8.4		7.3		5.1		3.7		2.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.3		10		14.2		17.8		20.2		21.4		21.8		23.8		22.3		20.9		15		11.2		9.1

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		9.3		13.4		16.7		21		23.9		25.7		27.6		24.3		21		14.5		10.2		8.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.6		4.4		7.1		10.7		14.8		16.9		19.6		18.1		18.6		11.7		8.6		4.8		3.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		2.7		3.8		5.8		7.5		8.8		9.3		9		7.9		6.1		4.4		2.9		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		12.6		7.4		10.7		12.7		15.2		15.4		17		16.1		18.5		13.1		11.6		7.4		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		11.2		6.3		9.1		10.4		13		13.1		16.3		14.5		18.6		11.3		10.7		6.3		5.3

NEARBY - MAP

NEARBY - LIST

Wild Horse Lake, Montana (3 mi / 5 km)
Box Elder Creek, Montana (13 mi / 21 km)
Roy, Montana (14 mi / 22 km)
Grass Range, Montana (15 mi / 25 km)
War Horse Lake, Montana (21 mi / 34 km)

GEOBA.SE

Bear Creek Reservoir, Montana