DES MOINES, IOWA

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Elevation: 938 feet Latitude: 41 32N Longitude: 093 39W

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

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TEMPERATURE

Average Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		50		20		25		37		51		62		72		76		74		65		54		38		26

Average High Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		60		29		34		46		61		72		82		86		84		76		65		47		34

Average Low Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		40		11		16		27		40		51		61		66		64		54		43		29		17

Highest Recorded Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		108		65		70		91		93		98		103		105		108		99		95		76		69

Lowest Recorded Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-24		-24		-20		-22		9		28		42		47		40		28		14		-4		-22

Average Number of Days Above 90F/32C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		---		---		---		---		---		4		10		8		2		---		---		---

Average Number of Days Above 65F/18C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		176		---		---		4		12		24		29		31		31		26		16		3		---

Average Number of Days Below 32F/0C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		137		30		26		21		7		---		---		---		---		---		4		19		29

Average Number of Days Below 5F/-15C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		11		6		1		---		---		---		---		---		---		---		1		6

Average Number of Days Below 0F/-17C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.7		6.8		2.8		0.2		---		---		---		---		---		---		---		---		2.8

PRECIPITATION

Average Precipitation

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		32.4		1.1		1.2		2.3		3.3		4		4.3		3.7		4		3.1		2.3		1.8		1.3

Average Number of Days With Precipitation

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		102		7		7		10		10		11		10		9		9		9		7		6		7

Most Reported Precipitation in a Month

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		11.9		4.3		2.9		5.1		5.7		6.8		11.4		10.3		11.9		9.5		4.8		4		2.3

Least Reported Precipitation in a Month

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.1		0.1		0.3		1		1.2		1.2		0.8		0.6		0.4		---		---		0.2

Most Precipitation Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		5.3		2.2		1.6		1.5		2.2		2.5		5.3		4.1		3.5		4		2.5		2		1.1

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59		3		3		5		6		7		7		6		6		6		4		3		3

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19		---		1		2		2		3		3		2		2		2		1		1		---

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		---		---		---		1		1		1		1		1		1		---		---		---

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		108		8		7		10		11		11		11		9		9		9		8		7		8

Average Number of Days With Thunderstorms

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		46		---		---		2		4		7		9		8		7		5		3		1		---

Most Rain Reported in a Month

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		55.9		4.4		3		5.8		7.8		7.9		9.5		10.5		13.7		10.2		6.9		6.5		3.4

Least Recorded Rainfall

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		17.1		0.1		0.1		0.2		0.2		1.2		1		---		0.3		0.4		---		---		0.1

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		33.2		8.1		7.2		6.2		1.9		---		---		---		---		---		0.2		3		6.6

Most Snow Reported in a Month

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		18.3		18.3		16.4		15.5		15.4		---		---		---		---		---		2.2		12.8		15

HUMIDITY

Average Morning Relative Humidity

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		81		77		79		80		78		79		81		84		86		85		80		79		80

Average Evening Relative Humidity

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		56		65		63		57		50		51		53		53		54		52		50		59		66

Average Dew Point

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		39		12		17		26		37		48		59		64		62		53		41		29		18

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6497		1414		1128		859		428		165		10		---		11		71		372		780		1259

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1036		---		---		---		5		81		214		360		287		74		15		---		---

Growing Degree Days

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3186		---		---		---		30		372		660		806		744		450		124		---		---

VISIBILITY

Average Number of Days With Fog

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		113		10		10		11		10		9		7		7		10		9		8		10		12

Average Number of Clear Days

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105		8		7		7		7		8		8		10		11		12		12		7		7

Average Possibility of Sunshine

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		59		52		54		55		56		61		68		72		70		66		62		49		46

Average Number of Cloudy Days

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		164		16		15		17		15		15		11		10		10		11		12		16		17

Average Number of Partly Cloudy Days

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		97		7		6		7		8		8		11		11		10		7		7		7		7

WIND

Average Wind Speed

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		12		14		14		14		16		11		11		9		9		10		10		14		14

NEARBY - MAP

NEARBY - LIST

Norwalk, Iowa (1 mi / 1 km)
Indianola, Iowa (12 mi / 20 km)
Ankeny, Iowa (13 mi / 21 km)
Winterset, Iowa (22 mi / 35 km)
Ames, Iowa (31 mi / 50 km)

GEOBA.SE

Des Moines, Iowa

WEATHER FORECAST