COLWYN BAY, WALES

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		50.8		42.6		42		44.7		47.8		52.8		57		60.4		60.5		57.7		52.8		47.7		43.3

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55.8		46.8		46.6		49.3		53.2		58.8		62.8		65.8		65.8		62.8		57.4		52		47.7

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		45.9		38.5		37.4		40.1		42.3		46.8		51.3		55		55.2		52.5		48.2		43.3		39

Highest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		93.2		60.8		64.4		68		75.2		78.8		84.2		89.6		93.2		78.8		86		66.2		60.8

Lowest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		12.2		23		23		17.6		28.4		32		33.8		42.8		42.8		37.4		28.4		23		12.2

Average Number of Days Above 70F/21C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17		---		---		---		---		2		3		6		5		1		---		---		---

Average Number of Days Above 60F/15C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17		---		---		---		2		8		17		27		29		20		5		---		---

Average Number of Days Below 32F/0C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		5		7		2		1		---		---		---		---		---		---		1		4

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		33.7		3.5		2.3		2.3		1.9		2.1		2.1		2.2		2.8		3.1		3.6		3.9		3.7

Average Rainfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		33.1		3		2.2		2.5		2.2		1.9		2.1		2.1		2.8		2.8		4		4.1		3.6

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		143		14.4		11.1		12		10.9		9.3		9.6		9.3		10.8		10.7		14.6		15.7		14.8

Average Number of Days With Thunderstorms

Years on Record: 19

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

Most Rain Reported in a Month

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		41.5		7.8		6.3		6		4.1		4.8		5		4.7		8.3		6.9		7.6		7.4		9.5

Least Recorded Rainfall

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		23.4		0.7		0.2		0.5		0.2		0.4		---		0.3		0.2		0.1		0.4		0.5		0.7

Average Number of Days With Frost

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.3		5.3		6.1		2.2		0.5		---		---		---		---		---		0.1		1		5.1

Average Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		80		80		78		76		75		75		77		77		78		79		79		81		82

Average Morning Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		86		84		84		86		86		85		86		88		89		86		85		84		85

Average Evening Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74		79		75		75		69		67		70		71		73		74		75		78		81

Average Dew Point

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		44		37		36		39		40		44		49		53		54		51		46		42		39

Heating Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5298.8		716.1		627.2		632.4		531		353.4		234		130.2		130.2		261		409.2		558		716.1

Growing Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1242		---		---		---		---		111.6		216		334.8		334.8		189		55.8		---		---

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 Daily Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hr		1651.4		62.3		86.5		123.1		177.8		231.8		207.8		201.1		189.5		146.7		109.7		63.6		51.6

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		14		17.4		15.7		15.1		12.7		12.5		11.7		11.7		12.1		13.2		15.3		15.4		15.8

Highest Reported Wind Gust

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		49.8		49.8		42.9		44.8		32.3		26.7		31.1		26.7		23		25.5		36.7		34.8		43.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		0.7		1.4		2.5		4		5.2		5.3		5		4.3		3.1		1.7		0.9		0.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.5		0.9		1.5		2.1		2.6		2.8		2.7		2.2		1.6		1		0.6		0.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		1.3		2.2		3.1		4.2		4.8		4.5		4.4		4.3		3.6		2.5		1.5		1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		1.1		1.9		2.6		3.7		4.8		4.3		4.2		3.9		3.3		2.2		1.3		0.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		0.7		1.4		2.5		4		5.2		5.3		5		4.3		3.1		1.7		0.9		0.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.5		0.9		1.6		2.1		2.6		2.8		2.7		2.3		1.7		1.1		0.6		0.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		1.6		2.6		4.1		4.9		5.4		5.2		5.3		5.4		4.3		2.8		1.7		1.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.4		2.3		3.8		4.9		5.9		5.8		5.9		5.8		4.2		2.6		1.6		1.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.3		0.6		1.1		2.1		3.3		4.3		4.1		3.6		3.5		2.6		1.5		0.8		0.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.5		0.7		1.4		2.1		2.5		2.7		2.4		2.2		1.5		0.9		0.5		0.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.5		1.1		1.6		2.5		3.4		3.9		3.6		3.1		3.3		3		2.1		1.2		0.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.9		0.9		1.3		1.8		2.6		3.2		2.5		2		2.4		2.5		1.8		1.1		0.6