HATHAWAY, MONTANA

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Elevation: 835 meters Latitude: 46 16N Longitude: 106 37W

WEATHER

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

07:48 am

10:18 pm
Local Time
12:32 pm 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		8.2		-5.4		-2.9		2.5		8.2		13.6		18.4		22.5		21.7		15.5		8.3		0.9		-5.3

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.9		1.5		4.3		9.9		16.2		21.3		26.2		31.3		30.7		24.1		16.2		7.8		1.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.5		-12.3		-10.2		-4.9		0.3		5.8		10.6		13.8		12.7		6.9		0.5		-6		-11.9

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		34.9		9.3		12.6		15.4		22.2		26.2		34.7		34.7		34.9		29.3		20.3		13.7		8.3

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-23.4		-23.4		-18.9		-9.5		-2		4.4		9		11.4		9.5		4.7		-0.9		-13.4		-20.8

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		2.6		---		---		---		---		---		0.3		1.4		0.9		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39.4		---		---		---		0.2		0.8		4.2		16		14.6		3.5		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		87.1		---		---		---		1.5		6.2		14.5		26.5		25.2		11.3		1.9		---		---

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		140		---		0.1		1.8		7		16.3		25.2		30.2		30.1		20.6		7.7		1		---

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		190.3		0.4		1.7		6.7		16.3		25.5		29.3		31		30.8		27.3		16.9		4		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		246.2		4.3		7.3		16.3		24.7		29.9		29.9		31		31		29.2		25.5		13		4.1

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		298.9		13.3		15.8		24.3		28.7		30.9		30		31		31		29.9		29.5		21.4		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		364.5		31		28		31		30		31		29.9		30.6		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		345.1		31		28		31		30		30.8		27.2		22		23.7		29.4		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		29.7		26.1		13.3		3.9		6.8		23.5		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		220.6		30.9		28		30.4		25.3		11		1.2		---		0.2		7.9		25.4		29.3		31

Average Number of Days Below 32F/0C

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		174		29.8		26.8		27.3		15.1		3.5		0.3		---		---		2.2		13.5		25.9		29.6

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		85.3		22.5		16.5		8.7		1.6		0.1		---		---		---		---		1.8		11.4		22.8

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		43.4		13.8		9.2		3.1		0.3		---		---		---		---		---		0.2		4.5		12.3

Average Number of Days Below 0F/-17C

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30.2		12		7.3		3		---		---		---		---		---		---		---		1.7		6.2

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		373.4		12.7		10.2		25.4		38.1		63.5		61		38.1		27.9		35.6		30.5		17.8		12.7

Average Number of Days With Precipitation

Years on Record: 72

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

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		218		28		34		48		86		165		138		218		108		173		74		52		37

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		2		1		3		26		8		---		2		---		---		3		2

Most Precipitation Reported in a Day

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		105.2		20.3		12.7		17.8		40.6		50.8		105.2		45.5		73.2		52.1		45.7		31.5		16

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		40.1		2.2		1.8		3.1		4.2		5.7		6		3.8		2.6		3.3		3.2		2.3		1.9

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

Years on Record: 72

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

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

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		---		---		1		2		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		---		---		0.3		0.8		1.6		1.4		0.8		0.5		0.6		0.7		0.2		0.1

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		78.2		16.8		12.9		13.2		8.9		1.3		---		---		---		0.5		2.5		9.1		12.9

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.6		3.9		1.9		2.3		0.4		0.2		---		---		---		0.1		0.6		2.1		3.1

Average Snow Cover

Years on Record: 28

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

Most Snow Reported in a Month

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		55.9		55.9		40.6		50.8		43.2		10.2		5.1		5.1		---		15.2		30.5		35.6		40.6

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		10.7		2.9		1.5		1.6		0.4		0.2		---		---		---		0.1		0.2		1.5		2.3

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		3.6		0.6		0.5		0.6		0.2		0.1		---		---		---		---		0.2		0.5		0.9

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		1.3		---		0.2		0.3		0.1		0.1		---		---		---		---		0.1		0.1		0.4

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7236		1324		1072		884		547		282		86		10		21		194		557		942		1317

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		600		---		---		---		1		16		90		244		209		39		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2491		---		---		7		62		231		457		699		653		312		65		5		---

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		14.2		15.6		16.4		16		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

Forsyth, Montana (0 mi / 1 km)
Colstrip, Montana (26 mi / 42 km)
Bighorn, Montana (28 mi / 46 km)
Sanders, Montana (28 mi / 46 km)
Ashland, Montana (36 mi / 58 km)

GEOBA.SE

Hathaway, Montana