CAPE TOWN, SOUTH AFRICA

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Elevation: 42 meters Latitude: 33 59S Longitude: 018 36E

WEATHER

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Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

01:10 am

12:18 pm
Local Time
12:07 am EDT
18 April, 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		21		21		20		17		15		13		12		13		14		16		18		20

Average High Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21		25		25		24		22		19		17		16		17		18		20		22		23

Average Low Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12		17		17		15		13		11		8		8		8		10		12		14		16

Highest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37		37		37		37		36		32		28		27		30		32		36		34		35

Lowest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1		8		7		6		3		-1		---		1		1		2		1		---		6

Average Number of Days Above 90F/32C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		1		2		1		1		---		---		---		---		---		---		1		1

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		189		29		27		27		19		9		5		4		4		6		12		20		27

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		580		20		20		30		50		70		90		100		70		50		40		20		20

Average Number of Days With Precipitation

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112		6		5		6		9		12		13		14		13		11		9		7		7

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		111		5		5		6		9		12		13		14		13		11		9		7		7

Average Number of Days With Thunderstorms

Years on Record: 19

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

HUMIDITY

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74.2		70		70		70		75		80		80		80		80		75		70		70		70

Average Morning Relative Humidity

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		87		83		86		88		90		90		88		89		89		88		85		84		85

Average Evening Relative Humidity

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		64		60		60		63		67		69		70		70		67		65		63		61		60

Average Dew Point

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11		14		15		14		12		11		8		8		8		9		10		12		13

DEGREE DAYS

Heating Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		782.8		---		---		---		16.7		94.7		150		180.8		163.6		116.7		60.3		---		---

Cooling Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		317.1		86.1		86.3		51.7		---		---		---		---		---		---		---		---		51.7

Growing Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2784.6		344.4		321.7		310		233.3		163.6		100		77.5		94.7		133.3		198.1		250		310

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		11.6		10.8		10.4		10.6		11.3		12.3		13.4		14.4		14.9

Average Daily Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		8.7		7		6		7		7		9		9		10		10		12		11		9		7

Average Number of Days With Fog

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		79		3		5		9		10		10		10		9		7		6		5		3		2

Average Number of Days With Smoke/Haze

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		143		14		15		15		13		10		8		9		10		11		12		13		13

Average No. of Days With Vision Obstruction

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		191		16		17		19		19		17		15		15		15		15		14		14		15

WIND

Average Wind Speed

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		25		30		28		27		20		19		22		25		19		20		27		30		30

Average No. of Days With Blowing Dust/Sand

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		1		1		1		---		---		---		---		---		---		---		1		2

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		28.1		25.5		20.7		15.1		11.1		9.2		10		12.8		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		23.6		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		28.1		25.5		20.7		15.1		11.1		9.2		10		12.8		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		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		6.5		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		12.3		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

Lansdowne, South Africa (5 mi / 9 km)
Belhar, South Africa (7 mi / 12 km)
Claremont, South Africa (7 mi / 12 km)
Rondebosch, South Africa (7 mi / 11 km)
Rosebank, South Africa (7 mi / 12 km)

GEOBA.SE

Cape Town, South Africa