ST REGIS, MONTANA

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Elevation: 1840 meters Latitude: 47 27N Longitude: 115 40W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

08:21 am

10:57 pm
Local Time
12:10 am EDT
3 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.3		-5.4		-4.8		-2.4		1.4		5.6		9.8		15.8		15.2		10.3		3.1		-2.7		-6.7

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7		-3.4		-2.3		1.3		5.2		9.8		14.6		20.8		20.1		14.6		6.7		-0.1		-3.9

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-0.4		-7.5		-7.4		-6.2		-2.3		1.3		5.1		10.8		10.4		6		-0.6		-5.3		-9.3

Highest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.9		6.7		9.4		16.1		23.9		26.7		28.9		33.3		33.9		29.4		24.4		15.6		7.8

Lowest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-31.1		-31.1		-28.9		-27.2		-16.7		-12.8		-5		-2.2		0.6		-6.1		-12.2		-27.8		-25.6

Average Number of Days Above 90F/32C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.1		---		---		---		---		---		---		0.1		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		5.3		---		---		---		---		---		0.3		2.3		2		0.7		---		---		---

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		39.6		---		---		---		---		0.7		3.4		16.1		14.1		4.9		0.3		---		---

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		87.4		---		---		---		0.6		5.3		13.7		26.8		25.4		12.9		2.7		---		---

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		138.1		---		---		1.1		6.1		14.7		23.4		30.3		30		22.9		9		0.7		---

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		192.3		0.7		1		7.1		14.4		24.8		29		31		31		28.6		18.9		5.5		0.3

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		365		31		28		31		30		31		30		31		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		356		31		28		31		30		31		29.8		27		27.4		28.8		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		316.9		31		28		31		29.9		29.8		26.5		12		13.4		23.8		30.6		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		261.6		31		28		31		28.8		23.8		14.8		2.6		2.5		12.1		26.4		29.5		31

Average Number of Days Below 32F/0C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		205		30.1		27.6		29.3		23.5		13.7		3		0.1		0.1		2.5		18		26.1		31

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		83.7		16		16.3		14		2.6		0.4		---		---		---		0.1		1.8		10.6		21.9

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		16.5		4.3		2		2		0.1		---		---		---		---		---		0.4		1.5		6.1

Average Number of Days Below 0F/-17C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.3		1.4		0.4		0.2		---		---		---		---		---		---		---		0.3		1.9

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		965.2		142.2		78.7		114.3		76.2		68.6		66		30.5		33		40.6		78.7		121.9		114.3

Average Number of Days With Precipitation

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		173		22		19		19		13		12		13		6		6		8		14		18		23

Most Reported Precipitation in a Month

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		295		295		204		158		112		121		108		58		105		109		197		259		211

Least Reported Precipitation in a Month

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		32		24		19		10		26		15		---		---		2		9		22		68

Most Precipitation Reported in a Day

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		46.7		46.7		33		29.7		20.1		36.3		43.7		36.3		27.4		32		40.4		39.6		42.2

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105		14		11		11		7		6		8		3		3		5		9		13		15

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21		3		2		2		1		1		1		---		1		1		2		3		4

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		670.3		123.4		98.3		88.4		41.4		22.4		6.3		0.2		---		6.1		42.2		110.5		131.1

Most Snow Reported in a Month

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		320.6		320.6		227.8		118.9		87.4		76.2		20.1		3		---		20.3		71.1		231.7		212.6

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9950		1327		1167		1158		912		713		463		181		205		444		851		1136		1393

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		84		---		---		---		---		---		4		38		33		9		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		924		---		---		---		3		32		101		336		310		127		14		---		---

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		15.8		16.6		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		13.6		5		8.3		12.6		16.9		19.4		21.6		24.3		21.1		15.2		9.3		5.3		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		6.2		3		4.3		6.2		7.6		8.9		9.4		9.5		8.2		6.7		4.6		3.1		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		8.7		12.5		15.6		17.6		17.9		18.8		21.6		21.1		17.6		12.6		8.7		7.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.7		7.6		11.1		13.9		16.7		17.5		19.9		24.2		22.4		17		11.8		7.5		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		13.6		5		8.3		12.6		16.9		19.4		21.6		24.3		21.1		15.2		9.3		5.3		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		6.8		3.2		4.5		7		7.7		9.1		9.6		11.9		9.5		7.5		5.3		3.4		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		17.7		10		13.4		19.8		19.9		21.2		21.5		25.8		24.1		21.7		16.3		10.4		8.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		8.7		12.3		18.9		20.5		23.5		25.2		28.1		25.4		21.9		16		9		7.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.1		4.6		6.8		10.8		15.1		16.4		18		16.9		18.1		11.3		7.2		4.6		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		5.8		2.8		3.7		5.8		7.5		8.8		9.3		9		7.9		6		3.9		2.8		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		12.1		7.7		9.9		12.9		15.4		15		15.7		15		17.9		12.6		9.4		7.1		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		10.5		6.6		8.6		10.8		13.3		12.3		13.6		12.5		17.7		10.6		8.3		6		5.3

NEARBY - MAP

NEARBY - LIST

Larson, Idaho (4 mi / 7 km)
Falcon, Idaho (6 mi / 11 km)
Mullan, Idaho (6 mi / 10 km)
Burke, Idaho (8 mi / 13 km)
Osburn, Idaho (10 mi / 17 km)

GEOBA.SE

St Regis, Montana