GEORGETOWN, SAINT HELENA

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Elevation: 259 feet Latitude: 07 58S Longitude: 014 24W

WEATHER

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Climate Summary

Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

02:59 am

02:53 pm
Local Time
5:21 am EDT
20 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 76

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		77		78		78		80		80		78		78		77		75		75		75		75		77

PRECIPITATION

Average Precipitation

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.5		0.3		0.4		0.9		1.3		0.5		0.7		0.5		0.5		0.3		0.5		0.3		0.3

DEGREE DAYS

Cooling Degree Days

Years on Record: 76

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4442.3		403		367.3		465		450		403		390		372		310		300		310		300		372

Growing Degree Days

Years on Record: 76

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9921		868		791		930		900		868		840		837		775		750		775		750		837

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
kWh/m2		6.4		7.2		7.5		7.2		6.6		6		5.6		5.6		5.8		5.9		6.1		6.2		6.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		1.8		1.7		1.7		1.5		1.3		1.2		1.3		1.6		2		2.2		2.1		2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.5		7.2		7.5		7.1		6.8		6.3		6		6		6		5.9		6		6.2		6.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7		7.9		8.3		7.9		7.6		7.4		7.2		7		6.4		5.7		5.5		5.9		6.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.4		7.2		7.5		7.2		6.6		6		5.6		5.6		5.8		5.9		6.1		6.2		6.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.9		1.9		1.9		1.8		1.7		1.5		1.3		1.5		1.8		2.1		2.3		2.3		2.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.9		7.6		7.8		7.6		7.1		6.6		6.3		6.4		6.5		6.6		6.9		6.7		7.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.9		8.7		8.9		8.8		8.4		8		7.9		7.9		7.4		7.1		7.3		6.9		7.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		6.7		7.1		6.8		6.2		5.6		5.4		5.3		5.3		5.5		5.4		5.5		6

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		1.6		1.5		1.5		1.3		1.2		1.1		1.1		1.4		1.7		1.8		1.9		1.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6		6.8		7.1		6.8		6.3		5.9		5.7		5.6		5.5		5.5		5.3		5.5		6.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		7		7.5		7.1		6.7		6.6		6.7		6.2		5.4		4.9		4.3		4.7		5.7

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Georgetown, Saint Helena