AMERICAN FALLS, IDAHO

Home > North America > United States > Idaho
Elevation: 1334 meters Latitude: 42 47N Longitude: 112 52W

WEATHER

Monthly - Summary

Nearby

Forecast

Monthly - All Data

Climate Summary

Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

08:43 am

10:17 pm
Local Time
10:57 pm EDT
18 April, 2024

PRINT THIS DATA

MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.3		-4.2		-1.7		2.8		7.9		12.6		16.9		21.4		20.7		15.4		9.2		2.2		-2.8

Average High Temperature

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.6		0.6		3.4		8.8		15.3		20.5		25.7		31.2		30.4		24.6		17.1		7.9		1.9

Average Low Temperature

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.1		-9.1		-6.9		-3.2		0.6		4.6		8.2		11.7		10.9		6.2		1.3		-3.6		-7.5

Highest Recorded Temperature

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41.1		15		20.6		25.6		31.1		37.2		39.4		41.1		41.1		37.8		31.1		29.4		16.7

Lowest Recorded Temperature

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-38.9		-38.9		-34.4		-26.7		-14.4		-10.6		-7.2		-5		-3.3		-11.7		-14.4		-32.8		-32.2

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		0.2		---		---		---		---		---		---		---		0.2		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.3		---		---		---		---		0.3		3.5		14.4		11.5		1.7		---		---		---

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		76.8		---		---		---		0.5		3.5		11		25		25.7		10.4		0.7		---		---

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		128.1		---		---		0.3		4.1		12.8		22.7		30.3		30.4		21.5		6		---		---

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		177.8		---		0.1		3.5		13.2		23.6		28.8		31		31		27.9		17		1.7		---

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		226.7		0.3		1.6		13.4		24.5		29.9		30		31		31		29.8		26.5		8.2		0.5

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		279.1		5.3		10.3		24.7		29.7		31		30		31		31		30		30.3		19.9		5.9

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		30.9		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		356.7		31		28		31		30		31		29.4		27.3		27.5		29.5		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		305.4		31		28		31		29.9		29		20.5		9.5		10.9		24.2		30.6		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		225.5		30.9		27.9		30.3		25.4		15.1		4		0.5		0.7		8.4		22.7		28.6		30.9

Average Number of Days Below 32F/0C

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		165.1		28.7		25.2		24.4		14.5		4.1		0.6		0.1		0.1		2.8		13		23.3		28.2

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		65		19		13.7		4.9		0.9		---		---		---		---		---		0.6		7.5		18.5

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		25.6		9.6		5.9		1.2		---		---		---		---		---		---		---		2.1		6.8

Average Number of Days Below 0F/-17C

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.8		3.9		2.1		0.3		---		---		---		---		---		---		---		0.3		2.1

PRECIPITATION

Average Precipitation

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		302		30		24		30		30		36		24		14		14		18		25		28		26

Average Number of Days With Precipitation

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77		9		8		8		7		8		6		3		4		4		5		7		8

Most Reported Precipitation in a Month

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		124		119		92		113		108		106		124		85		103		109		120		99		117

Least Reported Precipitation in a Month

Years on Record: 118

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

Most Precipitation Reported in a Day

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		52.3		32.3		25.4		43.2		46.7		52.3		45.7		45.7		33.5		30		30.7		27.9		34

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		37.7		3.7		3.2		4.2		4		4.1		2.4		1.4		1.8		2.3		2.6		3.5		4.5

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

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37		4		3		4		4		4		3		2		2		2		3		3		3

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

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		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		3.5		0.1		0.2		0.4		0.4		0.7		0.4		0.2		0.1		0.3		0.1		0.4		0.2

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		78		23.4		14		9.9		3.6		0.8		---		---		---		0.2		2.5		6.9		16.8

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.3		6.7		4.4		2.4		1.1		0.2		---		---		---		---		0.7		2.9		5.9

Average Snow Cover

Years on Record: 51

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

Most Snow Reported in a Month

Years on Record: 118

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		116.8		83.1		88.1		48.3		29.2		17.8		---		---		---		6.1		43.4		45.2		116.8

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		13.8		3.7		2.6		1.2		0.5		0.2		---		---		---		---		0.4		1.6		3.6

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		2.9		0.6		0.4		0.2		0.3		0.1		---		---		---		---		0.1		0.3		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		0.7		0.2		0.2		---		0.1		---		---		---		---		---		---		---		0.2

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		0.1		---		---		---		---		---		---		---		---		---		---		---		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		58.7		21.1		14.3		3.4		0.1		---		---		---		---		---		0.2		3.3		16.3

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		37		14.3		9.7		2.1		0.1		---		---		---		---		---		---		1.7		9.1

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		25.5		10.8		6.9		1.5		---		---		---		---		---		---		---		0.9		5.4

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		6.7		3.8		2		0.2		---		---		---		---		---		---		---		0.1		0.6

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7158		1280		1050		848		566		346		142		24		26		186		529		906		1255

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		378		---		---		---		---		5		42		156		148		27		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2134		---		---		4		45		169		354		597		587		304		70		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		12.7		10		11.1		12.5		13.9		15.2		15.9		15.5		14.3		12.9		11.5		10.2		9.6

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		16.2		6.8		10.2		15		19.3		23		26		26.2		23.3		18.3		12.6		7.7		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		4.6		2.3		3.2		4.6		6.2		7.3		7.4		6.7		5.7		4.4		3.4		2.5		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		19		13.5		16.3		19.4		20.3		21.2		22.5		23.3		23.3		22.1		19.2		14.1		12.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.1		14.2		17.3		20.8		22.5		25.2		29.2		30.9		29.2		26		21.4		15.1		13.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.2		6.8		10.2		15		19.3		23		26		26.2		23.3		18.3		12.6		7.7		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		5.2		2.5		3.5		5.1		6.8		8.1		8.6		7.3		6.1		5.2		3.8		2.8		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22		15.1		19.7		23.8		23.5		25.2		25.2		25.4		25.2		24.4		23.1		17.8		16.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.8		16.2		22.2		28.4		28.9		34.7		36.6		36.6		33.5		30.2		27.4		20.6		17.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.4		5.9		9.1		13.1		16.8		20.2		21.8		24.8		22.3		16.5		11.3		6.3		5.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.8		2.2		2.7		3.5		5.2		5.7		6		5.6		4.9		3.7		2.6		2		1.7

Minimum 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		10.8		13.9		16.3		17.3		18.5		19		22		22.2		19.4		16.4		10.7		10.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.7		10.6		13.9		16		17.1		19.3		20.7		27.7		26.9		21.3		17.2		10.4		10.9

NEARBY - MAP

NEARBY - LIST

Rockland, Idaho (10 mi / 16 km)
Aberdeen, Idaho (11 mi / 18 km)
Arbon Valley, Idaho (16 mi / 26 km)
Pocatello, Idaho (16 mi / 26 km)
Mollys Nipple, Idaho (18 mi / 29 km)

GEOBA.SE

American Falls, Idaho