HOLYHEAD, WALES

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Elevation: 7 meters Latitude: 53 19N Longitude: 004 37W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

01:08 am

03:26 pm
Local Time
6:58 am EDT
19 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9		5		5		6		8		10		13		14		14		13		11		8		6

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12		7		7		9		11		13		16		17		17		16		13		10		8

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7		4		3		4		6		7		10		12		12		11		9		6		5

Highest Recorded Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30		12		15		19		23		24		28		29		30		25		24		16		13

Lowest Recorded Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-8		-6		-8		-3		-3		1		4		6		7		4		---		-1		-3

Average Number of Days Below 32F/0C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4		---		1		1		---		---		---		---		---		---		---		---		---

PRECIPITATION

Average Precipitation

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		880		70		60		60		50		50		50		60		80		60		100		100		100

Average Number of Days With Precipitation

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		259		24		21		23		21		18		19		20		20		21		24		25		23

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		88		8		7		6		6		6		5		6		7		6		8		8		10

PRECIPITATION - SNOW

Average Number of Days With Snow

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		2		3		2		2		---		---		---		---		---		---		1		2

HUMIDITY

Average Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		81		83		82		82		80		79		81		82		82		80		80		82		83

Average Dew Point

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7		4		3		3		5		7		10		12		12		11		8		6		5

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3216.2		378.9		353.1		353.1		291.7		232.5		150		103.3		94.7		125		206.7		291.7		353.1

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		621.1		---		---		---		---		25.8		100		155		163.6		125		51.7		---		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13		8.9		10.5		12.5		14.7		16.7		17.8		17.2		15.3		13.2		11.1		9.3		8.3

Average Number of Days With Fog

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36		2		2		4		3		4		4		5		4		4		1		1		2

WIND

Average Wind Speed

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		23		29		27		24		21		20		19		19		19		20		24		24		25

Highest Reported Wind Gust

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		113		91		91		91		93		96		91		80		67		80		94		96		113

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		10.4		2.6		5		9		14.2		18.8		18.9		18.1		15.4		11		6.2		3.2		1.9

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		3.1		5.3		7.5		9.2		10		9.5		8.1		5.8		3.6		2.1		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		11.2		4.7		7.8		11.2		15		17.3		16.3		16		15.3		13		9		5.3		3.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.3		4.1		6.8		9.4		13.5		17.3		15.6		15.2		14		11.7		8		4.7		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		10.4		2.6		5		9		14.2		18.8		18.9		18.1		15.4		11		6.2		3.2		1.9

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		1.9		3.4		5.8		7.5		9.2		10.1		9.7		8.1		6.1		3.9		2.3		1.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.4		5.6		9.3		14.7		17.6		19.3		18.8		19.1		19.4		15.4		10.2		6.2		4.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		5.1		8.3		13.6		17.6		21.1		20.9		21.4		20.9		14.9		9.3		5.6		4.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.4		2.3		3.9		7.6		12		15.5		14.8		12.8		12.5		9.4		5.4		2.8		1.6

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		1.6		2.6		4.9		7.4		9.1		9.7		8.8		7.9		5.5		3.3		1.9		1.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.9		3.9		5.6		8.9		12.2		14		12.8		11.3		11.9		10.7		7.5		4.5		2.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.8		3.2		4.5		6.6		9.3		11.3		9.1		7.1		8.6		8.8		6.4		3.8		2.3

NEARBY - MAP

NEARBY - LIST

Colwyn Bay, Wales (5 mi / 9 km)
Rhosneigr, Wales (5 mi / 9 km)
Amlwch, Wales (11 mi / 18 km)
Llanbabo, Wales (11 mi / 18 km)
Llanfairfechan, Wales (26 mi / 43 km)

GEOBA.SE

Holyhead, Wales