GEORGETOWN, SAINT HELENA

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Elevation: 79 meters Latitude: 07 58S Longitude: 014 24W

WEATHER

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Climate Summary

Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

06:27 am

06:56 pm
Local Time
10:46 am GMT
15 November, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 76

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		25		26		26		27		27		26		26		25		24		24		24		24		25

PRECIPITATION

Average Precipitation

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		167		9		10		23		34		12		18		13		12		9		12		8		8

DEGREE DAYS

Cooling Degree Days

Years on Record: 76

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2633.4		223.9		204.1		258.3		250		223.9		216.7		206.7		172.2		166.7		172.2		166.7		206.7

Growing Degree Days

Years on Record: 76

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5883.8		482.2		439.4		516.7		500		482.2		466.7		465		430.6		416.7		430.6		416.7		465

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		12.9		12.7		12.5		12.3		12.1		12		12.1		12.2		12.4		12.6		12.9		13

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		22.9		25.9		27.1		26		23.8		21.6		20.3		20.3		20.9		21.3		21.8		22.2		23.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		6.3		6		6		5.4		4.7		4.4		4.8		5.8		7.1		7.8		7.6		7.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.3		26		26.9		25.7		24.3		22.8		21.7		21.5		21.6		21.3		21.5		22.2		23.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.1		28.5		30		28.4		27.3		26.7		26		25.1		22.9		20.4		19.9		21.2		24.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.9		25.9		27.1		26		23.8		21.6		20.3		20.3		20.9		21.3		21.8		22.2		23.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.7		7		6.7		6.6		6		5.3		4.8		5.3		6.4		7.5		8.3		8.2		7.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25		27.5		27.9		27.2		25.7		23.8		22.8		23.1		23.4		23.8		24.9		24.2		25.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		28.5		31.5		32.1		31.7		30.1		28.9		28.5		28.4		26.6		25.4		26.4		24.9		27.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.3		24.2		25.6		24.6		22.3		20.3		19.4		19		19.1		19.8		19.4		19.8		21.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		5.7		5.5		5.2		4.7		4.2		4		4.1		5.1		6.2		6.6		7		6.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.6		24.3		25.4		24.3		22.8		21.3		20.7		20.1		19.7		19.8		19.1		19.7		21.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.8		25.1		26.9		25.6		24.2		23.6		23.9		22.2		19.3		17.8		15.6		16.8		20.6

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Georgetown, Ascension Island (0 mi / 0 km)

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Georgetown, Saint Helena