RADLETT, ENGLAND

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Elevation: 73 meters Latitude: 51 43N Longitude: 000 19W

WEATHER

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Daily Averages

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CURRENT CONDITIONS

Sunrise/Set

02:20 am

11:10 am
Local Time
6:56 am EST
15 November, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8		2		3		4		7		10		13		15		15		13		9		5		4

Average High Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12		5		6		8		12		15		18		20		20		17		13		8		6

Average Low Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5		---		---		1		3		6		9		11		11		9		6		3		2

Highest Recorded Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		31		12		16		19		25		28		31		31		30		28		25		15		13

Lowest Recorded Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-12		-8		-12		-9		-4		-1		2		5		3		---		-3		-7		-7

Average Number of Days Below 32F/0C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		64		14		13		11		5		---		---		---		---		---		2		6		10

PRECIPITATION

Average Precipitation

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		780		60		60		40		40		50		50		60		90		60		70		80		70

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		80		7		7		5		4		6		5		6		7		7		6		8		7

HUMIDITY

Average Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		84		90		88		83		78		79		78		80		82		84		88		90		91

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6		1		1		2		3		7		10		11		12		10		7		4		3

DEGREE DAYS

Heating Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3673		482.2		423.8		404.7		316.7		223.9		125		68.9		86.1		141.7		258.3		366.7		430.6

Growing Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		629.3		---		---		---		---		34.4		125		189.4		172.2		108.3		---		---		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.9		9.1		10.6		12.5		14.5		16.4		17.4		16.8		15.2		13.2		11.2		9.5		8.6

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		9.8		2.6		4.9		8.6		13		16.8		17.6		17.4		15.2		10.3		6		3.4		2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		1.8		3		5.2		7.5		9.1		9.9		9.5		8.1		5.7		3.5		2.2		1.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.5		4.5		7.3		10.4		13.4		15.3		15.2		15.4		15		11.9		8.5		5.5		3.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.1		3.8		6.2		8.3		10.9		13.6		13.2		13.8		13.4		10.2		7.4		4.9		3.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		2.6		4.9		8.6		13		16.8		17.6		17.4		15.2		10.3		6		3.4		2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		2.1		3.4		5.8		7.6		9.2		10		9.6		8.1		6.3		4		2.5		1.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		6.2		9.1		14.4		17.7		19.1		17.2		17.9		18.1		16.1		10.6		6.8		5.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13		5.7		8.2		13.1		17.6		20.7		17.5		18.6		18.6		15.5		9.7		6.3		4.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.1		2		4.2		7		10.7		14.5		14.5		14.9		12.2		8.6		4.6		3		1.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		1.5		2.7		4.8		7.1		9		9.5		9.3		7.8		5.4		3		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		8.3		3		6		7.9		10.6		13.1		12.6		13.2		11.6		9.5		5.9		4.7		1.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6		2.3		4.8		5.3		7		9.7		8.7		9.7		8.1		7.2		4.7		4		0.8

NEARBY - MAP

NEARBY - LIST

Frogmore, England (1 mi / 2 km)
Hatfield, England (4 mi / 7 km)
St Albans, England (5 mi / 9 km)
Watford, England (7 mi / 12 km)
Bovingdon, England (9 mi / 14 km)

GEOBA.SE

Radlett, England