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Monthly
Summary

Climate
Summary

United States of America

AGANA, GUAM

Home > North America > United States > Guam
Elevation: 246 feet Latitude: 13 29N Longitude: 144 48E

WEATHER

Monthly - Summary

Monthly - All Data

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 47

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

Average High Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		86		85		85		86		87		87		88		87		87		87		87		87		86

Average Low Temperature

Years on Record: 47

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

Highest Recorded Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		96		94		93		93		96		94		95		95		93		93		93		92		91

Lowest Recorded Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		65		67		65		66		68		70		70		70		70		70		67		68		68

Average Number of Days Above 86F/30C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		289		17		16		23		26		28		27		27		26		25		26		25		23

Average Number of Days Below 75F/23C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		152		19		20		19		12		8		6		10		12		11		11		9		13

PRECIPITATION

Average Precipitation

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		86.8		4.4		3.2		2.5		3.4		5.3		5.6		9.6		13.4		13.1		12.5		8.5		5.1

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		273		20		18		19		20		20		24		26		26		25		26		25		23

Average Number of Days With Thunderstorms

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18		---		---		---		---		---		1		4		5		4		3		1		---

Most Rain Reported in a Month

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		131		18.1		13.6		9.3		15.3		24.1		13.3		17.7		24.4		24.3		26.5		16.1		15.9

Least Recorded Rainfall

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		59.1		0.9		0.3		0.4		0.5		0.4		0.8		4.5		3.9		3.9		4.3		2.6		1.6

HUMIDITY

Average Morning Relative Humidity

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		85		83		83		83		83		84		85		87		88		89		88		86		85

Average Evening Relative Humidity

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72		71		68		67		67		70		71		75		76		77		76		75		73

Average Dew Point

Years on Record: 48

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

DEGREE DAYS

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5034		381		342		397		420		456		447		446		437		426		437		426		419

Growing Degree Days

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11416.4		930		833.4		945.5		945		992		975		976.5		976.5		945		976.5		960		961

VISIBILITY

Average Number of Days With Fog

Years on Record: 38

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

Average Number of Clear Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18		3		3		3		1		1		1		---		---		---		---		3		3

Average Possibility of Sunshine

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		45		48		51		57		57		55		50		39		34		36		36		39		37

Average Number of Cloudy Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		222		15		16		14		15		16		19		23		27		24		21		15		16

Average Number of Partly Cloudy Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126		13		9		14		14		14		10		8		4		6		10		12		12

WIND

Average Wind Speed

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		9		10		10		10		11		10		9		8		6		6		8		10		10

NEARBY - MAP

NEARBY - LIST

Camp Quezon, Guam (0 mi / 0 km)
Tamuning, Guam (1 mi / 1 km)
Mangilao, Guam (2 mi / 4 km)
Dededo, Guam (4 mi / 7 km)
Agat, Guam (5 mi / 8 km)

GEOBA.SE

Agana, Guam

WEATHER FORECAST