GRABOUW, SOUTH AFRICA

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Elevation: 318 meters Latitude: 34 09S Longitude: 019 01E

WEATHER

Monthly - Summary

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

01:16 am

12:06 pm
Local Time
7:03 pm EDT
27 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.6		18.8		19		17.7		15.5		12.8		11.2		10.5		10.7		11.9		13.7		15.9		17.6

PRECIPITATION

Average Precipitation

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1005.7		37.6		31.1		44		69.4		119.5		152.7		144.3		160.1		88.8		65.8		47.7		44.7

Average Number of Days With Precipitation

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105.4		5.3		5.2		6.1		8.8		11.2		11.9		11.4		12.8		10.5		9.1		6.6		6.5

PRECIPITATION - SNOW

Average Number of Days With Frost

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25.2		0.1		0.1		0.2		0.9		2.7		4.2		5.6		5.2		3.5		1.9		0.6		0.2

HUMIDITY

Average Relative Humidity

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		69.4		66.6		66.8		68.4		70.3		72.3		72.8		72		71.9		70.4		68.2		67.1		66.5

Average Dew Point

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.1		12.5		12.7		11.8		10.1		7.9		6.5		5.7		5.8		6.7		7.9		9.8		11.3

DEGREE DAYS

Heating Degree Days

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1401		---		---		19.5		84.9		171.4		213.9		242.7		236.5		192.9		143.5		72.9		22.6

Cooling Degree Days

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33.5		14.6		18.9		---		---		---		---		---		---		---		---		---		---

Growing Degree Days

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1675.1		272.8		254.3		238.7		165		86.8		36		15.5		21.7		57		114.7		177		235.6

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		14.6		13.7		12.7		12.7		10.8		10.4		10.6		11.3		12.3		13.4		14.4		14.9

Average Possibility of Sunshine

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		65.5		75.5		73.8		71.6		63.5		57.7		55.8		60.4		60.2		61		64.9		68.8		72.9

WIND

Average Wind Speed

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		17.5		20.5		19.4		17.3		14.8		14		14		15.1		16.2		16.9		19.1		21.2		20.9

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		18.8		28.2		25.5		20.7		15.1		11.1		9.2		10		12.9		17		21.9		26		27.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		7.3		6.3		5.2		4.2		3.2		2.8		3		3.9		5.2		6.5		7.5		8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.3		25		24.8		22.7		19.4		16		14.4		15.1		16.7		19.6		21.9		23.7		24

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.2		31.1		29.5		25.7		21		18		16.2		16.9		18.5		20.7		24.3		27.8		29.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		28.2		25.5		20.7		15.1		11.1		9.2		10		12.9		17		21.9		26		27.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		8.4		7.2		6.3		4.9		3.7		3.1		3.4		4.4		5.7		7.6		8.8		9.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.8		26.5		26.4		25.1		21.8		18.9		17.6		17.6		19.4		22.7		25.7		25.6		26

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.9		35		33		30.2		24.8		22.7		21.1		20.9		22.9		26		32		32.6		34.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.2		25.1		23.3		17.5		12.6		9		8.2		8.6		11.1		15.3		17.9		21.6		24.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		6.5		5.6		4.4		3.6		2.7		2.3		2.6		3.4		4.4		5		6.6		7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.2		22.4		22.5		18.8		15.5		12.2		12.4		12.4		13.9		17.3		17.6		19.8		21.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		24.9		24.7		18.6		14.8		12.2		13.1		12.7		13.9		16.8		16.3		19.3		22.3

NEARBY - MAP

NEARBY - LIST

Hermanus, South Africa (22 mi / 35 km)
Stellenbosch, South Africa (23 mi / 37 km)
Caledon, South Africa (24 mi / 38 km)
Cape Town, South Africa (26 mi / 42 km)
Kraaifontein, South Africa (27 mi / 43 km)

GEOBA.SE

Grabouw, South Africa