SAO SEBASTIAO, PORTUGAL

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Elevation: 54 meters Latitude: 38 46N Longitude: 027 06W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

02:46 am

04:43 pm
Local Time
8:18 am EDT
4 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		14		13		14		15		16		18		21		22		21		18		16		15

Average High Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20		16		16		16		17		18		21		23		25		23		21		18		17

Average Low Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14		12		11		12		12		13		16		17		18		18		16		14		12

Highest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30		21		21		22		23		23		27		28		30		30		27		23		22

Lowest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		2		4		---		6		7		7		12		12		11		10		5		5

Average Number of Days Above 70F/21C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		144		---		---		---		1		6		20		31		31		29		20		6		1

PRECIPITATION

Average Precipitation

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1140		140		130		130		70		50		40		30		40		70		110		130		130

PRECIPITATION - RAIN

Average Number of Days With Thunderstorms

Years on Record: 21

		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: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1600		350		400		290		150		140		180		190		140		200		240		370		420

Least Recorded Rainfall

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		390		10		10		10		20		10		---		---		---		---		20		20		10

HUMIDITY

Average Morning Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		83		81		81		82		81		83		85		85		84		83		82		82		81

Average Evening Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74		76		76		75		73		73		75		71		71		73		75		78		78

Average Dew Point

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13		10		10		10		11		12		15		16		17		16		14		12		11

DEGREE DAYS

Heating Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		771.4		120.6		125.6		120.6		108.3		60.3		---		---		---		---		---		50		103.3

Cooling Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		289.6		---		---		---		---		---		8.3		77.5		111.9		83.3		8.6		---		---

Growing Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2768.9		137.8		109.9		137.8		141.7		198.1		258.3		335.8		370.3		333.3		266.9		200		155

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.3		11.2		12.4		13.7		14.8		15.4		15.1		14.1		12.9		11.6		10.5		10

Average Number of Days With Fog

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22		2		2		3		2		2		3		1		1		1		1		2		2

WIND

Average Wind Speed

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		19		20		20		20		25		17		16		16		16		19		20		14		14

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		15.4		6.9		9.9		14		18.9		21.8		23.3		24.5		22.3		17.6		11.6		7.7		6

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		8.4		7.5		6.4		5.4		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		10.8		13.2		16.5		19.3		19.9		20.3		21.7		21.9		20		15.3		11.7		9.9

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		10.8		13.2		16.1		20		21.4		22.7		26.1		25.3		21.6		15.2		11.8		9.9

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		6.9		9.9		14		18.9		21.8		23.3		24.5		22.3		17.6		11.6		7.7		6

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		7.3		8.3		8.8		8.2		7.2		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		19.6		13.2		19.4		19.5		21.8		22.2		21.8		24.5		24.3		21.5		20.5		14.2		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		22.9		14.2		22.9		20.7		24.6		26.5		26.4		33		30.5		24.3		23		15.3		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		8		11.5		16.3		19.9		21.6		22.1		20.2		16.1		9.9		6.2		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		2.8		3.1		5		6.2		7.2		7.8		6.2		5.5		5		3.6		3.1		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		14.3		9.2		9.9		13		16.5		18.2		18.9		19.7		19.7		18		12.5		8.6		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		13.9		8.6		8.7		10.9		14.9		17.9		19.6		21.2		20.7		18.1		11.2		7.7		7

NEARBY - MAP

NEARBY - LIST

Vila Nova, Portugal (2 mi / 3 km)
Angra do Hero�smo, Portugal (10 mi / 16 km)
Horta, Portugal (88 mi / 143 km)
Alagoa, Portugal (104 mi / 168 km)
Ponta Delgada, Portugal (104 mi / 167 km)

GEOBA.SE

Sao Sebastiao, Portugal