WILLIAMSBURG, IOWA

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Elevation: 253 meters Latitude: 41 40N Longitude: 092 01W

WEATHER

Monthly - Summary

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Forecast

Monthly - All Data

Climate Summary

Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

07:14 am

08:57 pm
Local Time
1:11 pm EDT
23 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.6		-6.6		-4		2.6		9.8		16.1		21.3		23.7		22.4		17.9		11.6		3.4		-3.8

Average High Temperature

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.6		-1.4		1.4		8.3		16.4		22.7		27.5		30		28.8		24.7		18.3		8.9		1.1

Average Low Temperature

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.6		-11.7		-9.3		-3.2		3.3		9.5		15.1		17.3		16.1		11.3		4.9		-2.1		-8.7

Highest Recorded Temperature

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.9		19.4		21.1		31.1		33.9		40		42.2		43.3		43.9		39.4		36.1		27.2		21.7

Lowest Recorded Temperature

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-35		-33.9		-35		-31.7		-15		-7.2		1.7		5		4.4		-5		-19.4		-22.2		-33.3

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		0.4		---		---		---		---		---		---		---		0.3		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.3		---		---		---		0.1		0.9		4.5		9		6.3		2.4		0.2		---		---

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		78.3		---		---		0.2		1.7		5.8		16.1		23.4		19.3		10.1		1.7		---		---

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		143.9		---		---		1.5		7		17.4		27.4		30.3		29.7		21.8		7.7		1.1		---

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		192		0.2		0.7		5		15.8		26.9		29.7		31		31		28.5		18.2		4.6		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		235.1		1.1		3		11.8		24.4		30.6		30		31		31		29.9		27.2		12.7		2.3

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		275.2		4.9		8.5		20.9		28.6		31		30		31		31		30		30.6		20.6		8.2

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		357.7		31		28		31		30		31		28.9		27.4		28.6		29.8		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		304.8		31		28		31		29.7		28.3		16		10		14.3		24.9		30.6		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		241.5		31		28		30.4		27.5		17.2		2.9		0.4		2.3		14.4		27		29.5		30.9

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		189.9		31		27.8		28.5		18.8		4.9		---		---		---		3.8		17.8		26.7		30.7

Average Number of Days Below 32F/0C

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		145.5		30		26.5		22.8		9		0.9		---		---		---		0.5		6.9		20		28.7

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		73.6		22.3		16.2		7.9		0.5		---		---		---		---		---		0.4		7.1		19.2

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		39		14		10.1		2.5		---		---		---		---		---		---		---		1.5		10.9

Average Number of Days Below 0F/-17C

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.4		8		4.5		0.5		---		---		---		---		---		---		---		0.2		4

PRECIPITATION

Average Precipitation

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		866		28		25		52		82		104		122		103		101		96		65		54		34

Average Number of Days With Precipitation

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		87		5		5		7		9		10		9		8		8		7		7		6		6

Most Reported Precipitation in a Month

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		383		103		105		139		236		350		296		383		279		298		199		167		100

Least Reported Precipitation in a Month

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		1		1		4		9		---		1		8		11		---		---		2

Most Precipitation Reported in a Day

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		156.2		42.7		55.6		72.6		94		136.7		156.2		132.1		109.2		126.2		82.8		76.2		48.3

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		67.4		3.4		3.1		5.3		6.8		8		7.8		6.4		6.5		5.7		5.6		4.8		4

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

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		62		3		3		5		6		7		7		6		6		6		5		4		4

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

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22		1		---		1		2		3		3		3		2		3		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		23.3		0.5		0.5		1.2		2.1		3.3		3.1		3		3.2		2.4		1.4		1.7		0.9

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

Years on Record: 96

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

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		85.7		5.4		4.7		6.9		8.5		9.6		9		7.8		7.5		7.6		6.5		6.3		5.8

Most Rain Reported in a Day

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		150		40		30		70		90		130		150		130		100		120		60		70		40

Most Rain Reported in a Month

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1450		100		60		130		220		340		290		380		270		290		190		160		100

Least Rain Reported in a Month

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		480		---		---		---		---		---		---		---		---		10		---		---		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		66.3		17.8		14		11.7		2.5		---		---		---		---		---		0.8		4.3		15.2

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.7		3.9		3.2		1.7		0.6		---		---		---		---		---		0.1		0.8		4.4

Most Snow Reported in a Month

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		104.1		104.1		74.2		68.6		30.5		3.8		---		---		---		0.5		15.2		30.5		62.2

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		10.6		2.9		2.4		1.4		0.5		---		---		---		---		---		---		0.4		3

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		3.8		1.1		0.9		0.5		0.2		---		---		---		---		---		---		0.1		1

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		1.2		0.3		0.3		0.2		0.1		---		---		---		---		---		---		---		0.3

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		56.3		20		15.2		5.3		0.6		---		---		---		---		---		0.1		1.2		13.9

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		38.7		15.2		10.8		2.8		0.3		---		---		---		---		---		0.1		0.6		8.9

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		23.9		9.7		7.3		1.4		0.2		---		---		---		---		---		---		0.2		5.1

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		5.8		2		2.4		---		---		---		---		---		---		---		---		---		1.4

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6893		1412		1146		893		485		198		30		4		17		135		451		833		1288

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		768		---		---		---		7		42		167		260		209		75		8		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2962		---		1		21		106		323		587		721		657		397		129		19		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		12.7		10.1		11.1		12.5		13.9		15.1		15.7		15.4		14.3		12.9		11.5		10.3		9.7

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		13.8		6.5		9.3		12.8		16.3		19.6		21.7		21.7		18.5		15.2		10.7		6.8		5.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.6		3.6		5.2		7		8.1		8.6		8.2		7.2		5.5		4		2.8		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		11.9		13.8		15.6		16.7		18		18.9		19.3		18.2		17.4		14.8		11		10.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.8		12.1		13.9		15.1		16		18.2		20.3		21.2		18.6		17.9		14.9		11.1		11.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		6.5		9.3		12.8		16.3		19.6		21.7		21.7		18.5		15.2		10.7		6.8		5.7

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		2.6		3.8		5.4		7.1		8.5		9		8.8		7.6		6		4.3		2.9		2.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19		14.7		17.1		21		20.2		22		22.2		21.4		20.7		22		17.8		15.3		13.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.7		15.7		18.3		23.7		22.1		26.6		28.2		25.8		23.5		25.8		19		17		14.3

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		5.3		6.9		10.8		13.1		14.7		18.7		17.2		16.6		11.3		7.7		4.9		4.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		2.3		3.3		4.3		6.3		7.2		7.6		7.6		6.7		4.5		3.7		2.6		2.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.8		8.6		9.3		12.5		13.1		13.4		16.4		15.4		16.1		12.1		9.6		6.9		8.2

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		7.9		7.6		10.6		10.3		10		15.1		13.4		14.8		9.8		7.8		5.8		7.7

NEARBY - MAP

NEARBY - LIST

Walford, Iowa (17 mi / 28 km)
Belle Plaine, Iowa (20 mi / 33 km)
Brooklyn, Iowa (22 mi / 36 km)
Cedar Rapids, Iowa (22 mi / 35 km)
Swisher, Iowa (22 mi / 35 km)

GEOBA.SE

Williamsburg, Iowa