UMATAC, GUAM

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Elevation: 58 meters Latitude: 13 17N Longitude: 144 40E

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

04:06 pm

04:34 am
Local Time
12:46 am EDT
19 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

PRECIPITATION

Average Precipitation

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2720		113		95		104		73		104		190		320		341		381		412		344		243

Average Number of Days With Precipitation

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		230		16		12		16		13		12		18		24		24		24		24		26		21

Most Reported Precipitation in a Month

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		907		204		202		308		71		234		420		413		817		863		907		615		421

Least Reported Precipitation in a Month

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		14		4		38		---		---		---		219		124		206		151		129		91

Most Precipitation Reported in a Day

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		160		94.7		160		48.3		38.1		53.3		58.4		53.3		58.4		55.9		152.4		57.1		63.5

Avg. No. of Days w/Precip. Above 0.2in/5mm

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		169		10		6		11		6		6		13		22		19		21		21		19		15

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65		2		1		3		1		2		5		8		9		9		9		9		7

Avg. No. of Days w/Precip. Above 1in/25mm

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34		---		1		1		---		1		2		4		5		5		6		5		4

SKY CONDITIONS

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		12.1		12.4		12.8		13.1		13.3		13.2		12.9		12.6		12.2		11.9		11.7

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.2		19.1		21.1		24.2		25.4		25.2		23.2		21.5		19.4		19.7		19.3		18.4		18.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		4.9		5.5		5.9		6.4		6.5		7.1		7.6		8.1		7.5		6.5		5.4		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		21.8		21.2		22.6		24.6		24.6		25		23.2		21.4		18.9		19.6		20.1		20.2		20.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.5		24		24.4		26.8		27		26.8		23.4		20		16		17.5		19.4		21.5		23.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.2		19.1		21.1		24.2		25.4		25.2		23.2		21.5		19.4		19.7		19.3		18.4		18.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.1		5.7		6.4		6.6		7.3		7.4		8.3		8.3		8.5		8		7.1		6.2		5.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.3		22.7		24.5		25.9		26.2		27.2		26.2		24.1		23.5		23.8		22.3		23.1		22.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.3		26.8		28.1		29.5		30.6		31.2		29.2		25		24.2		25.3		23.4		27.2		27.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		16.8		18.5		22.3		23.1		23.1		17.8		17.6		14.3		15.7		16.9		15.3		16.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		4.4		4.8		5.3		5.7		5.6		5.9		6.8		7		6.3		5.9		4.5		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		18.5		18.5		19.5		22.6		22.3		22.9		17.7		17.4		13.9		15.6		17.5		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		16.8		18.8		18.8		23		22.4		22.5		13.8		13.4		8.4		11.1		15.1		15.1		19

NEARBY - MAP

NEARBY - LIST

Pyga Beach, Guam (1 mi / 1 km)
Merizo, Guam (3 mi / 5 km)
Inarajan, Guam (4 mi / 7 km)
Achang Bay, Guam (5 mi / 9 km)
Mangilao, Guam (15 mi / 24 km)

GEOBA.SE

Umatac, Guam