WILLIS ISLAND, QUEENSLAND

Average Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		80		83		83		82		81		79		76		75		76		77		79		81		83

Average High Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		84		87		87		86		84		82		80		79		80		81		84		86		87

Average Low Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		75		78		78		78		77		75		73		71		71		72		74		76		78

Highest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		95		94		92		93		93		89		86		86		86		88		90		92		95

Lowest Recorded Temperature

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		63		69		70		71		70		68		63		63		64		65		66		70		70

Average Number of Days Above 86F/30C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		157		28		24		24		12		3		---		---		---		1		10		25		29

Average Number of Days Below 75F/23C

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		187		4		3		4		8		18		27		30		31		29		21		8		4

Average Precipitation

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		43.1		8.2		8.7		7.7		4.9		2.9		2.1		1.3		1.1		0.7		0.9		1.3		3.5

Average Number of Days With Thunderstorms

Years on Record: 53

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

Most Rain Reported in a Month

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		79.7		25.4		26.9		23.8		20.1		14.1		8.2		9.9		8.5		3.2		6.5		10.9		14.2

Least Recorded Rainfall

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		9.4		0.5		0.4		0.3		0.4		---		---		---		---		---		---		0.1		---

Average Morning Relative Humidity

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		79		83		85		84		81		79		76		74		75		76		79		80		80

Average Evening Relative Humidity

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		71		73		77		77		75		73		70		68		67		66		67		67		68

Average Dew Point

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		70		75		76		75		73		70		66		65		65		66		69		71		73

Cooling Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5229.4		542.5		494.4		527		465		418.5		345		310		325.5		345		434		480		542.5

Growing Degree Days

Years on Record: 53

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10708.1		1007.5		918.1		992		915		883.5		795		775		790.5		795		899		930		1007.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		13.4		13		12.5		12.1		11.7		11.6		11.6		12		12.4		12.8		13.3		13.5

Average Wind Speed

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		14		11		13		14		17		16		16		16		16		17		14		13		13

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		6.9		6.2		5.9		5.5		4.9		4.5		4.8		5.5		6.6		7.4		7.6		7.2

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		2.2		2.2		2		1.6		1.3		1.2		1.2		1.3		1.5		1.6		1.9		2

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		6.8		5.9		5.9		5.9		5.5		5.2		5.5		6.1		6.8		7.2		7.5		7.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.7		6.8		5.6		5.7		6.1		6.1		5.9		6.3		6.8		7.7		8.3		8.2		7.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		6.9		6.2		5.9		5.5		4.9		4.5		4.8		5.5		6.6		7.4		7.6		7.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2		2.5		2.5		2.2		1.9		1.6		1.4		1.4		1.7		1.8		1.9		2.2		2.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.1		7.7		7.3		6.8		6.7		6.1		5.9		6.2		6.7		7.3		7.6		8		8.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.2		8.7		8.6		7.3		7.7		7.2		7.1		7.5		8		8.5		9.2		9.4		9.5

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		5.3		4.9		3.8		4.4		4		4		4.2		4.4		5.7		7		6.8		5.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		1.8		1.7		1.7		1.3		1.1		1		1		1.1		1.3		1.4		1.6		1.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		5.2		4.7		3.7		4.6		4.5		4.5		4.8		4.7		5.9		6.7		6.7		5.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		4		3.4		2.3		3.9		4.2		4.7		4.9		4.3		5.8		7.3		6.6		4.9