SISTERS, OREGON

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Elevation: 971 meters Latitude: 44 17N Longitude: 121 32W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

09:14 am

10:56 pm
Local Time
10:39 am EDT
19 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.6		-0.5		1.3		3.6		5.9		9.8		13.7		17.5		16.9		12.9		7.8		2.6		-0.7

Average High Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.9		4.9		7.3		10.7		13.9		18.7		23.7		29.2		28.6		24		17.2		8.6		4.7

Average Low Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-0.8		-5.9		-4.8		-3.4		-2.1		1		3.9		5.8		5.4		1.9		-1.6		-3.4		-6.1

Highest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42.8		18.3		22.2		25.6		30.6		36.7		39.4		42.8		41.1		39.4		33.3		22.8		17.8

Lowest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-33.3		-33.3		-30		-18.3		-12.8		-11.7		-7.2		-4.4		-3.9		-9.4		-20		-26.7		-33.3

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		0.9		---		---		---		---		---		---		0.6		0.3		0.1		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.3		---		---		---		---		0.2		2		9.8		8.4		1.8		---		---		---

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		71.3		---		---		---		0.7		3.7		9.1		22.9		22.1		11.1		1.6		---		---

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		123.4		---		0.1		0.7		4.6		11		20		28.9		28.9		21.1		7.9		0.1		---

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		179.1		0.1		1		5		12.2		21.7		28		30.9		31		28		18.2		3.1		0.1

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		244.9		4.2		6.7		17.3		23.2		29.8		29.9		31		31		29.9		27.3		11.5		3.1

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		317.6		16.9		20.9		28.7		29.8		31		30		31		31		30		30.7		23.6		14.1

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		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		364.4		31		28		31		30		31		29.9		30.7		30.8		30		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		350.7		31		28		30.9		30		30.2		27.9		25.4		26.5		29.2		30.7		29.9		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		282.5		30.6		27.4		29.9		28		22.6		15.6		9.7		11.1		20.7		27.9		28.3		30.7

Average Number of Days Below 32F/0C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		206.6		27.3		24.3		25.6		21.7		13.8		6.2		2.3		2.5		10.9		21.3		22.8		27.9

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		46.7		10.1		7.9		4.7		2.2		0.4		0.2		---		---		0.3		2.5		6		12.3

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		11.7		3.2		2.2		0.1		---		---		---		---		---		---		0.3		1.5		4.4

Average Number of Days Below 0F/-17C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.1		1.4		0.8		---		---		---		---		---		---		---		---		0.4		1.5

PRECIPITATION

Average Precipitation

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		344		57		37		28		20		20		15		10		10		10		24		54		58

Average Number of Days With Precipitation

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		72		9		7		8		6		6		4		2		3		3		5		10		9

Most Reported Precipitation in a Month

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		311		133		134		84		58		100		65		62		59		52		121		158		311

Least Reported Precipitation in a Month

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		3		---		2		---		1		---		---		---		---		---		8		4

Most Precipitation Reported in a Day

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		76.2		51.3		57.7		24.6		38.6		28.2		33.5		31.8		17.8		34.5		76.2		59.2		71.1

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

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38		6		4		4		2		2		2		1		2		1		3		5		6

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

Years on Record: 53

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

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		76.5		21.1		16		8.9		0.8		---		---		---		---		---		0.5		9.1		20.1

Average Snow Cover

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		7		5		---		---		---		---		---		---		---		---		2		2

Most Snow Reported in a Month

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		113		92.7		66		53.3		7.6		2.5		---		---		---		---		8.9		71.4		113

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6998		1032		873		789		630		445		253		94		103		277		577		842		1083

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		161		---		---		---		---		3		14		72		61		10		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1501		---		1		6		27		107		230		444		424		211		47		4		---

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		9.9		11		12.5		14		15.4		16.1		15.7		14.5		12.9		11.4		10.1		9.5

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		14.7		5.5		8.9		12.6		16.9		20.3		23.6		25.9		22.9		17.5		10.9		6		4.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		2.3		3.4		4.9		6.7		7.9		8.1		6.7		5.7		4.5		3.6		2.6		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		16.5		10.2		13.4		15.8		17.6		18.6		20.5		23		23		21.1		16.2		10.3		8.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		10.4		14.1		15.8		17.9		20		24.6		30.7		29		24.6		17		10.3		9.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.7		5.5		8.9		12.6		16.9		20.3		23.6		25.9		22.9		17.5		10.9		6		4.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.4		3.5		5.2		7		8.4		8.8		8		6.7		5.5		4		2.7		2.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.3		13.5		16.8		20.8		20.4		23.9		22.8		25.8		25.4		25.2		21		15.4		12.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.2		14.8		19		23.6		23		31.8		30.3		37.9		34.3		31.9		24.1		17.3		14.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12		4.7		6.7		9.4		13.8		14.2		20.6		22.6		20.2		14.4		8.4		4.9		3.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.1		2.2		3		4.2		6.1		6.3		7.3		5.3		4.7		3.4		2.9		2.3		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		12.9		8		9.1		10.9		14		13		17.9		20.1		20.1		16.7		11.3		7.5		6.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		7.5		8.2		8.8		11.9		9.7		18.7		23.3		22.7		17		10.3		6.7		6.4

NEARBY - MAP

NEARBY - LIST

Bend, Oregon (18 mi / 29 km)
Camp Sherman, Oregon (18 mi / 30 km)
Prineville Junction, Oregon (18 mi / 30 km)
Redmond, Oregon (18 mi / 29 km)
Redmond - Airport, Oregon (18 mi / 29 km)

GEOBA.SE

Sisters, Oregon