ROLLA, NORTH DAKOTA

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Elevation: 574 meters Latitude: 48 54N Longitude: 099 40W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

08:49 am

05:57 pm
Local Time
9:30 am EST
15 November, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.9		-15.4		-12.7		-6.1		3.4		10.8		15.9		19.1		18.2		12.3		5.7		-4.3		-11.9

Average High Temperature

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.6		-10.1		-7.2		-1		9.3		17.4		21.9		25.2		24.7		18.6		11.6		0.4		-7.1

Average Low Temperature

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.8		-20.7		-18.1		-11.2		-2.4		4.3		9.9		13		11.7		5.9		-0.2		-9		-16.8

Highest Recorded Temperature

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.3		11.7		13.9		23.9		34.4		34.4		36.1		37.8		38.3		36.7		32.2		21.7		17.8

Lowest Recorded Temperature

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-41.7		-40		-41.7		-35		-28.9		-11.7		-1.7		2.2		---		-8.3		-18.3		-36.7		-38.3

Average Number of Days Above 90F/32C

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.3		---		---		---		---		0.2		0.7		1.9		2.1		0.3		---		---		---

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		25.9		---		---		---		0.2		1.5		4.6		8.3		8.9		2		0.3		---		---

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		82		---		---		---		2.1		7.7		15.3		23.6		22.6		8.7		1.9		---		---

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		136.8		---		---		0.2		6.6		18		25.6		30.2		29.7		19.1		6.8		0.7		---

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		180		0.1		0.3		1.9		14.1		26.4		29.4		31		30.9		27.6		15.3		3		0.1

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		219.4		1.5		2.6		7.4		21.8		29.9		30		31		31		29.7		24.5		8		2

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		355.9		31		28		31		30		30.9		28.3		26.3		28.4		29.9		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		301.1		31		28		31		29.9		28.6		17		7		11.3		25.7		30.7		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		240.5		31		28		31		28.1		17.7		3		0.1		1		12.1		27.6		29.9		31

Average Number of Days Below 32F/0C

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		195.9		30.8		28.1		30.1		20.8		6.7		0.1		---		---		3.1		16.9		28.4		30.9

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		133.6		29.3		24.9		21		7.7		0.4		---		---		---		---		4.4		18		28

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		88.8		24		18.9		12.7		1.8		---		---		---		---		---		0.9		9.7		20.8

Average Number of Days Below 0F/-17C

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60.4		20.1		15.1		6.8		0.4		---		---		---		---		---		---		3.6		14.3

PRECIPITATION

Average Precipitation

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		470		13		11		20		27		61		92		75		68		46		26		17		14

Average Number of Days With Precipitation

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		89		7		5		6		6		9		12		9		9		8		6		6		6

Most Reported Precipitation in a Month

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		333		59		54		75		107		172		333		202		220		182		135		80		48

Least Reported Precipitation in a Month

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		---		6		22		2		5		1		---		1		---

Most Precipitation Reported in a Day

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		162.6		27.4		21.1		51.3		60.2		66		83.6		107.4		83.6		162.6		54.4		38.1		24.4

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		42.8		1.5		1.3		1.8		2.7		5.7		7.6		5.4		5.4		4.1		3.2		2.5		1.6

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

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		43		2		1		2		3		6		7		6		5		4		3		2		2

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

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		---		---		---		1		1		3		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		10.4		0.1		---		0.2		0.6		1.6		2.6		2.1		1.2		0.9		0.7		0.3		0.1

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

Years on Record: 106

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

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		98.8		19.3		13.5		18.5		7.9		2.3		---		---		---		0.2		4.3		13.5		19.3

Most Snow Reported in a Month

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		90.2		90.2		44.2		69.6		67.3		40.6		---		---		---		6.3		51		45.7		61

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10504		1827		1530		1356		825		469		200		81		110		369		789		1237		1709

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		174		---		---		---		---		5		31		68		61		9		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1483		---		---		---		21		117		293		453		418		156		25		1		---

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		9.4		10.8		12.5		14.3		16		16.8		16.3		14.9		13.1		11.3		9.7		8.9

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		12.7		4.6		7.8		12.5		17.4		19.9		20.9		21.6		18.2		13		8.5		5.2		3.6

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		2.7		4.1		6.2		7.6		9		9.7		9.2		8		6.2		4.4		3		2.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.4		8.2		12.4		16.7		18.5		18.2		18.1		19.2		18.1		15		11.8		9.1		6.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		7.3		10.8		14.4		18.3		18.6		18.8		20.8		18.2		13.9		11		7.8		6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.7		4.6		7.8		12.5		17.4		19.9		20.9		21.6		18.2		13		8.5		5.2		3.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		2.9		4.4		6.6		7.7		9.1		9.8		9.4		8.1		6.6		4.8		3.3		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.4		8.9		13.5		19.7		21.3		20		22		21.5		20.6		17.5		13.4		10.5		8.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		8.1		12		17.6		22.6		21.9		26.3		24.9		22.3		17.1		12.7		9.2		7.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.6		4		7.1		10.2		14.4		16.7		17.6		16.7		14.8		11		7.4		4.6		2.6

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		2.5		3.8		5.7		7.5		8.9		9.5		9.1		8		5.9		4		2.8		1.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.7		7		11.1		13.1		14.8		15.2		15.3		14.8		14.4		12.4		10.1		8.1		4.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.9		6		9.5		10.2		12.6		12.9		13		12.3		11.9		10.6		9.1		6.7		3.5

NEARBY - MAP

NEARBY - LIST

Belcourt, North Dakota (5 mi / 9 km)
Hansboro, North Dakota (15 mi / 25 km)
Dunseith, North Dakota (17 mi / 27 km)
Peace Gardens, Manitoba (18 mi / 30 km)
Rolette, North Dakota (19 mi / 31 km)

GEOBA.SE

Rolla, North Dakota