MARION ISLAND, SOUTH AFRICA

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Elevation: 72 feet Latitude: 46 53S Longitude: 037 52E

WEATHER

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

12:12 am

10:42 am
Local Time
12:25 pm EDT
19 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		43		46		47		46		44		42		41		40		39		40		41		43		45

Average High Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46		49		50		49		47		45		44		43		42		42		44		46		48

Average Low Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		40		43		43		43		41		39		38		37		36		37		38		39		41

Highest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		72		68		72		70		63		68		63		54		68		57		61		72		67

Lowest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		17		17		32		32		23		24		24		21		26		25		25		32		32

Average Number of Days Above 50F/10C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		82		13		16		14		9		5		3		1		1		1		3		6		10

Average Number of Days Below 32F/0C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26		---		---		---		---		1		3		5		7		5		3		1		---

PRECIPITATION

Average Precipitation

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		94.8		8.3		7.4		8.6		8.5		9		8.2		7.9		7.2		7.2		6.7		7.2		8.5

PRECIPITATION - RAIN

Most Rain Reported in a Month

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		116.1		13.8		13.5		15.8		14.3		16.9		18.1		12.6		9.9		14.1		11.5		12.4		13.1

Least Recorded Rainfall

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		75		3.5		2.2		2		4		3.9		4.1		4		3.4		4.4		2.7		2		4.2

HUMIDITY

Average Morning Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		86		87		87		87		87		86		88		87		85		85		84		84		85

Average Evening Relative Humidity

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		82		81		82		82		83		83		85		84		82		82		80		79		80

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		38		41		42		42		40		38		37		36		35		35		36		37		39

DEGREE DAYS

Heating Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8164.1		589		522.6		589		630		713		720		775		806		765		744		675		635.5

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		16		14.5		12.9		11.2		9.8		9.2		9.5		10.7		12.3		14		15.6		16.5

Average Number of Days With Fog

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		48		4		5		5		6		3		4		4		4		3		2		4		4

WIND

Average Wind Speed

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		26		24		26		25		24		26		29		27		26		28		26		25		26

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		3.1		5.2		4.6		3.3		2.1		1.3		1		1.1		1.8		2.7		3.8		4.8		5.2

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		2.7		2.4		1.7		1.1		0.8		0.6		0.7		1		1.5		2.1		2.6		2.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		4.6		4.5		3.7		2.7		2.1		1.5		1.7		2.5		3.1		3.9		4.4		4.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		4.1		3.9		3.2		2.4		1.8		1.4		1.6		2.2		2.5		3.1		3.7		3.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		5.2		4.6		3.3		2.1		1.3		1		1.1		1.8		2.7		3.8		4.8		5.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		2.7		2.4		1.8		1.2		0.8		0.7		0.8		1.1		1.6		2.2		2.6		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		5.2		5.2		4.4		3		2.3		2		2		2.9		3.7		4.3		5.1		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		3.5		5.1		5		4		2.7		2		1.8		1.8		2.6		3.2		3.7		4.9		4.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.6		4.3		4.1		2.8		1.7		1.1		0.8		1		1.5		2.4		3.1		4.3		4.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		2.7		2.3		1.6		1		0.7		0.6		0.6		0.9		1.5		2		2.6		2.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		3.9		4		3		2.2		1.7		1.3		1.4		2.1		2.8		3		3.9		3.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.1		2.8		3		2.3		1.9		1.4		1.1		1.2		1.7		2.1		1.9		2.9		2.6

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Marion Island, South Africa