PIETERSBURG, SOUTH AFRICA

Average Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18		22		22		21		18		16		13		12		15		18		20		21		22

Average High Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23		26		26		25		23		21		19		19		21		23		25		25		26

Average Low Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13		18		18		16		13		10		6		6		8		12		14		16		17

Highest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37		36		34		33		32		31		27		26		30		32		33		37		33

Lowest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		11		12		8		5		2		---		---		---		2		7		7		5

Average Number of Days Above 90F/32C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		2		1		1		---		---		---		---		---		1		1		2		1

Average Number of Days Above 80F/26C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106		18		13		12		7		2		---		---		3		10		12		13		15

Average Number of Days Below 45F/7C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		62		---		---		---		---		6		20		23		10		2		---		---		---

Average Precipitation

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		490		80		70		60		30		10		---		---		---		10		40		70		80

Average Number of Days With Thunderstorms

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35		6		4		5		2		1		---		---		---		1		3		6		7

Most Rain Reported in a Month

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		800		230		210		180		160		70		70		40		70		80		160		190		250

Least Recorded Rainfall

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		260		10		---		---		---		---		---		---		---		---		---		---		---

Average Morning Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		84		87		88		89		88		85		80		80		77		79		81		84		87

Average Evening Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		46		51		53		53		49		42		39		37		37		39		46		51		52

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10		15		15		14		11		7		3		3		4		7		10		12		15

Heating Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		511		---		---		---		---		77.5		158.3		163.6		103.3		8.3		---		---		---

Cooling Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		653.1		129.2		109.9		86.1		8.3		---		---		---		---		---		43.1		75		111.9

Growing Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3392.3		387.5		345.3		344.4		258.3		180.8		91.7		94.7		155		241.7		301.4		325		370.3

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		13.8		13.3		12.6		11.9		11.4		11.1		11.2		11.7		12.4		13.1		13.7		14

Average Number of Days With Fog

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		---		1		2		3		2		3		3		2		1		1		1		1

Average Wind Speed

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		14		14		14		12		12		12		12		12		16		17		17		16		14

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.9		23.7		22.3		19.9		18		16.4		14.9		16.2		18.2		21.5		21.8		22.5		23.3

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		8.8		8		6.8		5		3.4		2.9		2.8		3.9		5.2		7.3		8.6		9.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21		21.5		21.1		20.4		20.5		20.3		19.6		20.8		22		23.1		21.2		20.7		20.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.7		21.5		20.8		20		21.8		24.9		24.5		26.4		25.1		25.7		21.3		20		20.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.9		23.7		22.3		19.9		18		16.4		14.9		16.2		18.2		21.5		21.8		22.5		23.3

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		9.3		8.7		7.5		5.9		4.5		4.2		3.6		4.6		6.1		8.1		9.2		9.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.8		23.5		25.3		24.2		24		23.2		22.7		22.8		23.6		25.6		23.6		24.1		22.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		28.1		25.9		29.6		27		28		30.4		30.5		30.2		28		30.4		26		27.2		24.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		21.1		18.1		16.4		15		13.9		11.5		14.5		16.6		19.1		18.7		17.7		20.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		8.1		6.5		5.7		4		2.4		1.9		2.1		3.4		4.2		6.5		7.5		8.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		19.3		17.2		16.6		16.6		16.5		14.2		18.2		19.7		20.3		18.1		16.5		18.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.5		17.1		13.6		13.7		15.2		17.9		14.9		21.5		21.1		20.4		15.6		12.2		15.2