MOUNT ISA, QUEENSLAND

Average Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		76		87		85		83		77		70		63		62		66		73		80		85		87

Average High Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		89		98		95		93		89		82		76		76		81		87		94		98		99

Average Low Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		63		75		74		72		65		58		50		48		51		58		65		71		74

Highest Recorded Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		115		115		110		106		100		96		90		90		97		103		108		110		111

Lowest Recorded Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		27		60		60		56		48		35		30		27		31		34		43		51		56

Average Number of Days Above 90F/32C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		187		27		23		26		15		2		---		---		3		11		25		27		29

Average Number of Days Above 80F/26C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		291		30		28		30		28		22		9		9		18		26		30		30		31

Average Number of Days Below 45F/7C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		---		---		---		---		2		8		12		7		1		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 24

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

Average Precipitation

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		16.4		3.9		3.6		2.5		0.6		0.6		0.1		0.3		0.2		0.3		0.8		1		2.4

Average Number of Days With Thunderstorms

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33		7		6		3		1		---		---		---		---		1		3		5		7

Most Rain Reported in a Month

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		34.1		18.9		9.5		9.5		4.5		6.9		1.1		2.6		1.6		2.7		3.6		4		6.5

Least Recorded Rainfall

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		6.3		---		0.1		---		---		---		---		---		---		---		---		---		0.2

Average Morning Relative Humidity

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		53		61		68		59		53		57		59		57		49		42		41		44		53

Average Evening Relative Humidity

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		27		33		37		33		28		31		29		27		21		19		19		21		26

Average Dew Point

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46		59		61		56		49		45		39		36		34		35		41		47		53

Heating Degree Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		153		---		---		---		---		---		60		93		---		---		---		---		---

Cooling Degree Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4231.9		666.5		550.9		542.5		360		155		---		---		31		225		449.5		585		666.5

Growing Degree Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9526.6		1116		974.6		1007.5		810		620		390		372		496		675		914.5		1035		1116

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		13.6		13.2		12.6		12		11.5		11.3		11.4		11.8		12.4		13		13.5		13.8

Average Wind Speed

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		9		8		8		9		9		9		9		9		9		10		9		9		8

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		6.9		6.4		6.2		5.6		4.9		4.5		4.7		5.5		6.2		6.7		6.9		7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		2.3		2.2		1.8		1.3		1		0.9		0.9		1.1		1.5		1.9		2.2		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.3		6.2		6.1		6.3		6.3		6		5.5		5.8		6.5		6.5		6.5		6.4		7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.9		6.5		6.1		6.6		7		7		7		7.2		7.6		7.2		7		6.8		6.7

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		6.9		6.4		6.2		5.6		4.9		4.5		4.7		5.5		6.2		6.7		6.9		7

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		2.6		2.4		2		1.7		1.2		1.1		1.1		1.3		1.8		2.1		2.5		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7		7.1		7.3		7		6.9		6.6		6.1		6.4		7		7.2		7		7		7.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.3		8.5		8.7		8		8.1		8.1		8.1		8.3		8.6		8.6		8.1		8.3		8.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		5.6		5.1		5.3		4.5		4.4		4.1		4.2		5		5.5		6.1		5.9		5.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		2		1.7		1.5		1.1		0.8		0.7		0.7		0.8		1.2		1.7		1.9		2.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		5.1		4.8		5.4		5		5.2		5		5		5.8		5.7		5.9		5.5		5.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		4.3		3.8		4.9		4.7		5.7		5.9		5.7		6.3		5.7		5.8		5		4.2