SILVERTON, IDAHO

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Elevation: 1038 meters Latitude: 47 28N Longitude: 115 56W

WEATHER

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Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

08:45 am

10:39 pm
Local Time
11:26 pm EDT
19 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.6		-3.1		-0.6		2.6		7.3		11.4		14.9		18.7		17.9		13.4		8		1.7		-1.6

Average High Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.9		0.4		3.7		7.8		14.2		19.1		23		28.7		27.7		21.8		14.2		5.6		1.4

Average Low Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.2		-6.6		-4.8		-2.6		0.5		3.8		6.8		8.8		8.1		5.1		1.8		-2.1		-4.7

Highest Recorded Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41.7		11.7		16.1		23.3		32.8		36.1		38.3		41.7		41.1		37.8		31.7		18.9		13.3

Lowest Recorded Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-31.1		-28.9		-31.1		-23.3		-17.2		-6.7		-2.8		-1.1		---		-11.7		-17.2		-22.8		-27.8

Average Number of Days Above 90F/32C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18.5		---		---		---		---		0.5		1.6		8.9		6.4		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		49.4		---		---		---		0.2		2.9		5.6		16.5		17.3		6.4		0.4		---		---

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		96.4		---		---		---		2.2		8.5		15.6		25.1		26.4		15.5		2.9		---		---

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		147.1		---		---		2		8.1		18.4		24.2		29.8		30.3		23.7		10.1		0.3		---

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		204.1		0.3		1.9		9.4		18.5		27.6		29.2		31		30.9		29		22.6		3.8		---

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		270.8		6.2		11.8		23.6		28.5		31		30		31		31		30		29.6		14.8		3.5

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		364.9		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		363.2		31		28		31		30		31		29.8		29.9		30.5		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		317.8		31		28		31		29.9		29.2		21.8		13.8		14.7		26.7		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		224.1		30.9		28		30.6		25.3		13.4		3.2		0.1		0.5		8.7		23.9		28.5		30.9

Average Number of Days Below 32F/0C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		156.7		27.5		24.4		24.2		14.5		5.2		0.4		---		0.1		2.8		10.5		20.8		26.4

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		34.3		9.8		6.8		2.6		---		---		---		---		---		---		0.5		3.6		10.9

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		10.6		3.5		2.5		0.3		---		---		---		---		---		---		---		0.9		3.3

Average Number of Days Below 0F/-17C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.8		2.5		1.1		0.2		---		---		---		---		---		---		---		0.2		0.8

PRECIPITATION

Average Precipitation

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1014		130		106		101		67		68		62		27		27		52		89		139		144

Average Number of Days With Precipitation

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		142		17		15		15		12		12		10		5		5		8		11		15		17

Most Reported Precipitation in a Month

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		566		300		257		219		166		179		140		106		89		171		236		401		566

Least Reported Precipitation in a Month

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		33		11		17		16		4		6		---		---		2		12		6		30

Most Precipitation Reported in a Day

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		75.2		54.6		50.3		40.6		34.5		44.5		60.5		54.6		48.8		61.7		73.9		75.2		68.3

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		96.8		11.2		9		10.3		8.8		8.3		7.1		4		3.3		4.5		7.3		12.1		10.9

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

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		98		12		10		11		8		8		7		3		3		5		8		11		12

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

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24		3		3		2		1		1		1		1		1		1		2		4		4

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		21.3		2.7		2.2		1.8		1.5		1.5		1.4		0.7		0.6		0.6		1.8		3.6		2.9

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

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		1		1		---		---		---		---		---		---		---		1		1		1

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		184.9		52.6		36.6		27.9		3.3		0.5		---		---		---		0.2		1.8		17.8		44.2

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37.6		8.4		6.6		5.6		1.5		0.3		---		---		---		---		0.5		5.1		9.6

Average Snow Cover

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		5		17		20		7		---		---		---		---		---		---		---		2		12

Most Snow Reported in a Month

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		169.2		169.2		147.3		139.7		30		6.1		2.5		---		---		14		18.5		89.9		151.1

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		22.9		5.3		4.2		3.2		0.7		0.1		---		---		---		---		0.1		2.7		6.6

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		9.1		2.6		1.7		1		0.2		---		---		---		---		---		0.1		0.8		2.7

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		4.1		1.2		0.7		0.4		0.1		---		---		---		---		---		---		0.3		1.4

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.4		0.1		0.1		---		---		---		---		---		---		---		---		---		0.2

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		99.7		25.6		20.9		17.1		3		0.2		---		---		---		---		0.5		8.8		23.6

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		73.7		22.2		18.1		11.2		1.8		---		---		---		---		---		0.3		3.4		16.7

Avg. # of Days w/Snow Depth Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59.6		19		15.2		8.8		1.3		---		---		---		---		---		0.2		2.2		12.9

Avg. # of Days w/Snow Depth Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35.7		12.5		10.4		4.5		0.8		---		---		---		---		---		---		0.4		7.1

DEGREE DAYS

Heating Degree Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2422.2		492.2		377.2		315		168.3		73.3		18.9		2.2		3.3		39.4		153.9		332.2		446.1

Cooling Degree Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		102.8		---		---		---		---		2.2		12.2		49.4		33.9		5		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1641		---		---		2		28		136		268		475		469		224		38		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		9.6		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

Osburn, Idaho (3 mi / 5 km)
Mullan, Idaho (6 mi / 10 km)
Burke, Idaho (7 mi / 12 km)
Larson, Idaho (7 mi / 12 km)
Smelterville, Idaho (10 mi / 16 km)

GEOBA.SE

Silverton, Idaho