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Monthly
Summary

Climate
Summary

United States of America

DONNELLSON, IOWA

Home > North America > United States > Iowa
Elevation: 720 feet Latitude: 40 42N Longitude: 091 34W

WEATHER

Monthly - Summary

Monthly - All Data

Climate Summary

CURRENT CONDITIONS

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		51		21.8		23.4		41.4		51.9		62.5		72.8		75.1		74.5		65.6		53.2		42.9		26.7

Average High Temperature

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61.3		30.7		33.1		52.2		63.3		73.2		83.3		85.7		85		77.2		64.2		52.8		35

Average Low Temperature

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		40.6		12.8		13.6		30.6		40.5		51.8		62.2		64.5		63.9		54.1		42.3		32.9		18.4

Highest Recorded Temperature

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		101		65		68		79		89		93		98		100		101		93		94		77		63

Lowest Recorded Temperature

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-15		-15		-5		6		17		34		50		55		46		36		25		12		-5

Average Number of Days Above 90F/32C

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21		---		---		---		---		0.8		3.8		8		6.6		1.2		0.6		---		---

Average Number of Days Below 32F/0C

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		129.2		29.2		27.2		19		6.5		---		---		---		---		---		4.6		15.4		27.2

Average Number of Days Below 0F/-17C

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.8		6		3.8		---		---		---		---		---		---		---		---		---		2

PRECIPITATION

Average Precipitation

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		37.5		1.5		1.4		2.8		3.7		4.3		4.5		4.1		4		3.9		3		2.3		1.9

Average Number of Days With Precipitation

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		96		7		6		9		10		10		9		8		8		8		7		7		7

Most Reported Precipitation in a Month

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		13.1		4.8		4.2		6.1		8.2		11.4		11.4		11.4		13.1		11.3		12.1		7.2		6.4

Least Reported Precipitation in a Month

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		0.1		0.3		0.7		1		0.4		0.3		0.7		---		---		0.1		0.1

Most Precipitation Reported in a Day

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.7		2.3		2.1		2.9		4.7		3.2		4.5		3.5		6.7		4.9		3.1		3		2.9

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

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68		4		4		6		7		8		7		6		6		6		5		5		4

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

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27		1		1		2		3		3		3		3		3		3		2		2		1

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

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		---		---		1		1		1		1		1		1		1		1		---		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		25.6		7.5		5.5		3.5		0.7		---		---		---		---		---		0.1		1.4		6.9

Most Snow Reported in a Month

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		32.5		32.5		19.3		15.5		11.5		---		---		---		---		2		4		12		28

DEGREE DAYS

Heating Degree Days

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3990		1030		894		447		180		19		---		---		---		6		153		383		878

Cooling Degree Days

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1042		---		---		2		14		70		238		313		297		87		21		---		---

Growing Degree Days

Years on Record: 73

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3233.3		---		---		---		57		387.5		684		778.1		759.5		468		99.2		---		---

NEARBY - MAP

NEARBY - LIST

Niota, Illinois (14 mi / 23 km)
Wever, Iowa (15 mi / 24 km)
Mount Pleasant, Iowa (17 mi / 27 km)
Rome, Iowa (17 mi / 27 km)
Keokuk, Iowa (18 mi / 30 km)

GEOBA.SE

Donnellson, Iowa

WEATHER FORECAST