HORTA, PORTUGAL

Average Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64		59		58		58		59		62		66		71		73		71		67		63		60

Average High Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		67		61		60		61		62		65		69		74		76		74		70		65		62

Average Low Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		60		56		55		55		56		59		62		67		69		67		63		60		57

Highest Recorded Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		86		73		66		68		68		73		76		86		85		84		79		72		77

Lowest Recorded Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		42		42		43		45		44		52		54		55		61		57		55		50		48

Average Number of Days Above 70F/21C

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		125		---		---		---		---		1		13		30		31		28		18		2		---

Average Precipitation

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		40.3		4.5		4.1		3.8		2.7		2.8		2		1.6		2.3		3.4		4.2		4.4		4.5

Average Number of Days With Thunderstorms

Years on Record: 13

		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: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		64		9.8		11.7		10.2		10.4		7.3		6.5		7.4		9.4		10.2		9.7		9.4		12.5

Least Recorded Rainfall

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		26.5		0.5		1		0.6		0.3		0.3		0.2		---		0.2		0.4		0.5		0.3		0.9

Average Morning Relative Humidity

Years on Record: 13

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

Average Evening Relative Humidity

Years on Record: 14

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

Average Dew Point

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		58		53		52		52		53		57		60		64		66		65		61		57		55

Heating Degree Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1148.9		201.5		211.9		217		180		93		---		---		---		---		---		75		170.5

Cooling Degree Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		629.5		---		---		---		---		---		15		170.5		232.5		165		46.5		---		---

Growing Degree Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4959.4		263.5		211.9		248		270		372		465		635.5		697.5		615		511.5		375		294.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.3		11.3		12.4		13.7		14.8		15.3		15		14.1		12.8		11.6		10.5		10

Average Number of Days With Fog

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42		3		5		5		3		5		6		3		2		2		2		3		3

Average Wind Speed

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		12		14		17		14		13		11		10		9		9		11		12		13		17

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		1.9		2.7		3.9		5.3		6.1		6.5		6.8		6.3		4.8		3.3		2.2		1.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.8		1.1		1.5		1.9		2.2		2.3		2.1		1.8		1.5		1.2		0.9		0.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		3		3.7		4.6		5.4		5.5		5.7		6.1		6.1		5.5		4.3		3.2		2.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5		2.9		3.7		4.4		5.5		6		6.4		7.3		7.1		5.9		4.3		3.3		2.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		1.9		2.7		3.9		5.3		6.1		6.5		6.8		6.3		4.8		3.3		2.2		1.7

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		0.8		1.2		1.6		2		2.3		2.4		2.3		2		1.6		1.3		0.9		0.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.5		3.5		5.3		5.3		6.2		6.2		6		6.8		6.7		6.2		5.8		4.2		3.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.4		3.7		6.1		5.5		7.1		7.3		7.3		9.2		8.3		7.1		6.5		4.6		3.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.7		2.2		3.2		4.6		5.4		6.1		6.2		5.5		4.5		2.9		1.8		1.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.8		0.9		1.4		1.7		2		2.2		1.7		1.6		1.3		1		0.8		0.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4		2.6		2.7		3.7		4.7		4.9		5.3		5.5		5.3		5		3.7		2.6		2.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.9		2.4		2.3		3.1		4.3		4.7		5.5		6		5.5		5.1		3.4		2.4		1.9