RETALHULEU, GUATEMALA

Average Temperature

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27		27		27		28		28		27		27		27		27		26		27		27		27

Average High Temperature

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30		30		30		31		31		30		30		29		30		29		29		30		30

Average Low Temperature

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24		23		24		25		25		25		25		25		24		23		24		24		24

Highest Recorded Temperature

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37		35		37		36		37		36		33		33		33		33		33		33		36

Lowest Recorded Temperature

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12		16		17		17		16		21		20		18		20		20		20		12		17

Average Number of Days Above 95F/35C

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		---		1		3		4		1		---		---		---		---		---		---		1

Average Number of Days Above 86F/30C

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		267		25		22		25		24		22		20		20		22		18		21		24		25

Average Number of Days Below 75F/23C

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		218		19		15		18		16		17		17		18		21		21		19		19		18

Average Number of Days Below 65F/18C

Years on Record: 6

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

Average Number of Days With Precipitation

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		99		2		1		2		3		8		14		15		14		18		14		6		2

Average Number of Rainy Days

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		99		2		1		2		3		8		14		15		14		18		14		6		2

Average Number of Days With Thunderstorms

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		127		1		1		1		3		12		21		21		20		18		19		9		1

Average Morning Relative Humidity

Years on Record: 2

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		88		82		84		85		84		90		91		90		91		92		---		89		86

Average Evening Relative Humidity

Years on Record: 2

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		61		46		46		---		54		64		71		65		66		72		71		60		49

Average Dew Point

Years on Record: 1

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		---		---		---		---		---		---		---		---		21		---		---		---

Cooling Degree Days

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3566.6		275.6		258.9		310		308.3		284.2		275		275.6		275.6		250		266.9		275		284.2

Growing Degree Days

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6817		533.9		494.4		568.3		558.3		542.5		525		533.9		533.9		500		525.3		525		542.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.8		12		12.4		12.8		13.2		13.4		13.3		13		12.6		12.2		11.8		11.7

Average Number of Days With Fog

Years on Record: 5

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

Average Number of Days With Smoke/Haze

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		98		4		11		25		27		20		3		---		2		1		1		1		3

Average No. of Days With Vision Obstruction

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		108		5		12		26		28		21		3		2		2		1		3		2		3

Average Wind Speed

Years on Record: 1

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

Average No. of Days With Blowing Dust/Sand

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		---		2		10		10		7		1		---		---		---		1		---		1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.3		18		20.6		22.5		22.8		20.6		18.9		20.1		19.8		17.7		17.1		17		17

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		4.9		5.4		6.3		7.4		8.2		8.3		8.1		8.2		7.8		6.8		5.5		4.8

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		20.5		22.3		23		22		20.1		19		19.8		18.8		17.6		17.9		18.9		19.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.3		22.8		24.2		23.9		22		17.7		15.2		17.2		16.5		14.4		15.9		19.4		21.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.3		18		20.6		22.5		22.8		20.6		18.9		20.1		19.8		17.7		17.1		17		17

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.2		5.6		6.3		6.9		8		8.6		8.5		8.5		8.5		8		7.1		6		5.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.3		22.3		24.8		25.3		23.9		22.4		21.9		22.1		21.1		20.6		20.3		21.9		21.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.5		26.2		28.9		28.5		25.9		21.6		19.8		21.2		20.7		19.4		20		24.8		25.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17		15.7		18		20.8		20.6		16.7		17.4		17.3		16.4		15.5		14.9		15.2		15.7

Minimum 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		4.3		4.5		5.4		6.7		7.7		7.8		7.6		7.6		7.2		6.3		4.7		4.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		17.5		19.3		21.2		19.9		16.3		17.5		17		15.7		15.4		15.5		16.7		17.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		17.4		18.7		20.6		18		11.5		12.9		12.6		11.3		11		12.1		15.6		18.8