MAY, IDAHO

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Elevation: 5070 feet Latitude: 44 36N Longitude: 113 55W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

08:33 am

10:33 pm
Local Time
11:07 am EDT
25 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		42.7		18.1		25.2		34		42.8		51.8		58.4		66		64.2		55.3		44.8		31		20.7

Average High Temperature

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		58.5		30.4		38.3		47.6		58.3		68.2		75.8		86.3		84.7		74.8		61.9		43.9		32.3

Average Low Temperature

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		26.9		5.8		12		20.5		27.4		35.3		41.1		45.7		43.8		35.8		27.7		18.2		9.1

Highest Recorded Temperature

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		120		56		64		77		83		120		120		107		102		95		89		74		59

Lowest Recorded Temperature

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-40		-40		-35		-20		3		12		20		26		27		10		-4		-24		-40

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		0.1		---		---		---		---		---		---		0.1		0.1		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22		---		---		---		---		0.5		2		10.2		8.3		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		77.5		---		---		---		0.3		4.1		11.4		25.9		24		11		0.8		---		---

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		123.1		---		---		0.5		3.7		11.7		21.6		30.2		29.9		20.1		5.2		---		---

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		174.4		---		---		4.1		13		22.4		28.1		30.9		31		27		16.7		1.2		---

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		223		0.2		1.9		14.5		22.4		29.9		29.8		31		31		29.5		26		6.5		0.4

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		276.7		5		12.1		26.8		29.2		31		30		31		31		30		30.4		16.5		3.6

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		364.8		31		28		31		30		31		30		30.8		30.9		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		356		31		28		31		30		30.6		28.5		26.4		28.6		29.8		31		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		291.1		31		28		30.9		29.6		24.5		13.7		5.3		12.6		24.3		30.3		29.9		31

Average Number of Days Below 32F/0C

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		213.9		30.2		27.5		29.3		23		10.9		2.4		0.2		0.6		9.1		22.8		27.9		30.2

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		126.1		27.5		21.3		15.2		7.1		1		---		---		---		0.3		7.3		19.3		27.1

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		62.8		18.6		12		3.2		0.4		---		---		---		---		---		0.5		7.5		20.4

Average Number of Days Below 0F/-17C

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.7		10.6		4.7		0.9		---		---		---		---		---		---		---		1.3		7.2

PRECIPITATION

Average Precipitation

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7.8		0.4		0.3		0.3		0.6		1.3		1.4		0.7		0.7		0.7		0.5		0.5		0.5

Average Number of Days With Precipitation

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61		5		4		4		5		7		8		5		5		5		4		4		5

Most Reported Precipitation in a Month

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.2		1.2		1.5		1		1.8		3		4.2		2.5		2.5		2.1		2		2.1		2.4

Most Precipitation Reported in a Day

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.4		0.5		0.6		0.5		0.7		1.2		1.4		1.1		0.9		1		1.1		1.1		0.8

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		29.2		1.3		1.3		2.1		1.9		4		4.5		2.2		2.2		2.7		2.5		2.3		2.2

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

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26		2		1		1		2		4		4		2		2		2		2		2		2

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

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		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		2.2		---		0.1		---		0.2		0.3		0.4		0.4		0.2		0.3		0.1		0.2		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		19.2		4.8		3		2		1		0.5		---		---		---		0.1		0.5		2.4		4.9

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		2.1		2.2		1.1		0.4		0.2		---		---		---		0.1		0.3		2.2		3.4

Most Snow Reported in a Month

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		20.9		15.2		12.1		14.5		8.5		7.5		---		---		0.5		5.2		8		20.9		20.9

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		9.2		1.6		1.4		0.9		0.4		0.2		---		---		---		---		0.3		1.8		2.6

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		1.5		0.2		0.2		0.1		---		0.1		---		---		---		---		0.1		0.3		0.5

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		0.6		0.1		0.1		0.1		---		---		---		---		---		---		---		0.2		0.1

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		62.6		18.8		16		4.5		0.2		0.1		---		---		---		---		0.3		5.1		17.6

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		38.2		12.8		12.8		2.7		---		0.1		---		---		---		---		0.2		1.1		8.5

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		18.5		6.6		5.3		1.1		---		---		---		---		---		---		0.1		0.8		4.6

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		0.4		0.2		0.2		---		---		---		---		---		---		---		---		---		---

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8589		1435		1146		936		700		448		216		56		97		316		682		1077		1480

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		120		---		---		---		---		1		12		68		34		4		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1464		---		---		1		16		106		260		477		404		177		22		---		---

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		9.8		11		12.5		14.1		15.4		16.1		15.7		14.5		13		11.4		10.1		9.4

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		1.8		2.7		4		5.1		5.8		6.4		6.9		6		4.6		3.1		1.9		1.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.6		0.8		1.2		1.8		2.2		2.3		2		1.7		1.3		1		0.7		0.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5		3.8		4.6		5.4		5.4		5.3		5.6		6.1		6		5.6		4.7		3.8		3.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.6		4		5		5.8		5.9		5.9		6.6		7.8		7.3		6.4		5.1		3.9		3.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		1.8		2.7		4		5.1		5.8		6.4		6.9		6		4.6		3.1		1.9		1.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.6		0.9		1.4		1.9		2.3		2.5		2.3		1.9		1.6		1.1		0.7		0.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		4.3		5.1		6.3		6.2		6.1		6.2		6.9		6.7		6.6		6.2		4.6		3.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7		4.6		5.7		7.2		7.4		7.7		8.3		10		8.7		8.1		7.3		5		4.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		1.6		2.4		3.4		4.6		5.2		5.5		5.7		5.5		3.7		2.7		1.6		1.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.1		0.5		0.7		1		1.5		1.9		2.1		1.6		1.5		1.1		0.7		0.6		0.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		3.4		3.9		4.5		4.8		4.8		4.8		5.1		5.5		4.3		3.9		2.9		2.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		3.5		3.9		4.3		4.8		4.8		4.9		5.5		6.2		4.2		4		2.8		3.2

NEARBY - MAP

NEARBY - LIST

Challis, Idaho (15 mi / 25 km)
Clayton, Idaho (17 mi / 27 km)
Lemhi, Idaho (28 mi / 45 km)
Salmon, Idaho (35 mi / 57 km)
Cobalt, Idaho (37 mi / 60 km)

GEOBA.SE

May, Idaho