LUXEMBOURG, LUXEMBOURG

Average Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8		---		1		5		7		12		15		17		17		13		9		3		1

Average High Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12		2		3		7		11		16		19		21		21		17		12		6		3

Average Low Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5		-1		-1		1		3		7		10		12		12		10		6		1		---

Highest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33		13		16		21		22		28		32		33		33		31		23		15		13

Lowest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-15		---		-15		-11		-6		-2		2		3		5		2		-3		-8		-13

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		1		---		---		---		---		---		---		1		---		---		---		---		---

Average Number of Days Above 65F/18C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		92		---		---		1		3		11		16		22		23		13		3		---		---

Average Number of Days Below 32F/0C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		93		21		19		13		7		---		---		---		---		---		2		13		19

Average Precipitation

Years on Record: 150

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		770		60		50		50		50		60		60		60		60		60		60		70		70

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		196		19		16		18		16		15		15		15		14		14		16		19		19

Average Number of Days With Thunderstorms

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29		1		1		1		2		5		6		5		5		2		1		---		---

Most Rain Reported in a Month

Years on Record: 150

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1310		190		150		140		170		240		170		180		160		210		230		190		200

Least Recorded Rainfall

Years on Record: 150

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		380		---		---		---		---		---		---		---		---		---		---		---		---

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78.8		90		85		75		70		70		70		70		70		80		85		90		90

Average Morning Relative Humidity

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		87		92		88		88		83		81		83		83		86		91		92		92		91

Average Evening Relative Humidity

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		67		85		73		66		56		55		57		55		56		63		73		81		86

Average Dew Point

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4		-1		-2		---		1		5		9		10		11		9		6		1		---

Heating Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3932.6		559.7		486.6		430.6		325		189.4		100		34.4		34.4		133.3		284.2		425		516.7

Growing Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		783.4		---		---		---		---		68.9		150		223.9		223.9		116.7		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.9		9.3		10.7		12.5		14.4		16.1		17		16.5		14.9		13.1		11.3		9.7		8.8

Average Daily Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		10.9		8		9		11		11		12		14		13		12		12		11		9		9

Average Number of Days With Fog

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		228		21		19		19		16		16		16		15		18		20		24		22		22

Average Wind Speed

Years on Record: 17

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

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.1		3.2		5.7		9		13.5		17		17.6		17.6		15.5		10.5		6.2		3.5		2.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		2.1		3.4		5.4		7.5		9		9.7		9.4		8.1		5.8		3.6		2.3		1.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.8		5.2		8.4		10.6		13.8		15.5		15.2		15.6		15.2		11.8		8.3		5.5		4.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.2		4.5		7.3		8.4		11.3		13.8		13.2		14		13.4		10		7.2		4.5		3.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.1		3.2		5.7		9		13.5		17		17.6		17.6		15.5		10.5		6.2		3.5		2.5

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		2.6		4.3		5.9		7.7		9.2		9.8		9.5		8.2		6.3		4		2.8		1.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		7.5		13.4		14.7		17.1		20		18		18.5		18.4		15.9		10.1		7.8		5.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		6.8		12		13.3		16.5		22		18.7		19.7		18.8		15.2		9.1		6.9		4.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.7		2.3		4.1		6.7		10.2		12.6		14.2		14.2		12.9		7.4		3.9		2.7		1.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		1.7		2.7		4.8		7		8.5		9.2		9.1		8		5.1		2.8		1.9		1.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.8		3.4		5.5		7.2		10		11.5		12.3		12.6		12.3		7.7		4.7		3.7		2.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.5		4.3		4.4		6.2		7.2		8.2		8.7		8.9		4.9		3.2		2.7		2