HORTA, PORTUGAL

Average Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		15		14		14		15		16		18		21		22		21		19		17		15

Average High Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19		16		15		16		16		18		20		23		24		23		21		18		16

Average Low Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15		13		12		12		13		15		16		19		20		19		17		15		13

Highest Recorded Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30		22		18		20		20		22		24		30		29		28		26		22		25

Lowest Recorded Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5		5		6		7		6		11		12		12		16		13		12		10		8

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
mm		1020		110		100		90		60		70		50		40		50		80		100		110		110

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
mm		1620		240		290		250		260		180		160		180		230		250		240		230		310

Least Recorded Rainfall

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		670		10		20		10		---		---		---		---		---		10		10		---		20

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
C		14		11		11		11		11		13		15		17		18		18		16		13		12

Heating Degree Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		714.1		111.9		117.7		120.6		100		51.7		---		---		---		---		---		41.7		94.7

Cooling Degree Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		349.7		---		---		---		---		---		8.3		94.7		129.2		91.7		25.8		---		---

Growing Degree Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2886.2		146.4		117.7		137.8		150		206.7		258.3		353.1		387.5		341.7		284.2		208.3		163.6

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
km/h		19		22		27		22		20		17		16		14		14		17		19		20		27

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		6.8		9.8		13.9		18.9		21.8		23.5		24.6		22.5		17.4		11.7		7.7		5.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		3		4		5.5		6.8		8		8.3		7.5		6.4		5.5		4.4		3.2		2.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		10.6		13.1		16.4		19.3		19.9		20.4		21.8		22		19.7		15.6		11.7		9.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		10.6		13.2		15.9		19.9		21.5		23.1		26.2		25.7		21.1		15.6		11.8		9.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		6.8		9.8		13.9		18.9		21.8		23.5		24.6		22.5		17.4		11.7		7.7		5.9

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		3		4.1		5.7		7.2		8.4		8.8		8.2		7.3		5.9		4.6		3.3		2.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		12.7		18.9		18.9		22.3		22.1		21.7		24.6		24		22.3		20.7		15.1		12.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23		13.4		22.1		19.8		25.5		26.3		26.1		33.2		29.9		25.7		23.3		16.6		13.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		6.2		7.8		11.6		16.6		19.3		21.8		22.2		19.7		16.1		10.4		6.6		5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.9		3.2		5.1		6		7.3		7.9		6.2		5.6		4.8		3.5		2.9		2.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.4		9.2		9.7		13.2		16.8		17.7		19		19.8		19.1		18		13.3		9.4		7.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14		8.6		8.3		11.1		15.4		16.9		19.9		21.5		19.8		18.2		12.3		8.7		7