AGANA, GUAM

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Elevation: 74 meters Latitude: 13 29N Longitude: 144 48E

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

04:05 pm

04:34 am
Local Time
4:46 pm EDT
18 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27.5		26.8		26.6		27.1		27.7		28.1		28.1		27.7		27.4		27.4		27.6		27.7		27.3

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30.3		29.4		29.4		29.9		30.7		31.1		31.1		30.6		30.3		30.4		30.4		30.3		29.8

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.7		24.2		23.9		24.2		24.7		25.1		25.2		24.8		24.6		24.6		24.7		25.1		24.9

Highest Recorded Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		35		34		33		33		35		34		35		35		33		33		33		33		32

Lowest Recorded Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18		19		18		18		20		21		21		21		21		21		19		20		20

Average Heat Index Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		29.9		28		27.7		28.3		29.8		31		31.6		30.8		30.4		30.3		30.6		30.7		29.4

Average Wind Chill Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27.4		26.7		26.5		26.9		27.6		28		28.2		27.7		27.4		27.4		27.6		27.6		27.2

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10.4		---		---		---		0.9		2.5		3.8		1.2		0.6		0.5		0.6		0.3		---

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 Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		362.7		30.8		27.7		30.9		29.9		30.9		30		30.9		30.7		29.6		30.7		29.9		30.8

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		365		31		28		31		30		31		30		31		31		30		31		30		31

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		365		31		28		31		30		31		30		31		31		30		31		30		31

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		365		31		28		31		30		31		30		31		31		30		31		30		31

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		365		31		28		31		30		31		30		31		31		30		31		30		31

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

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.2		2.1		2.6		2.3		1.8		0.9		0.4		0.3		0.5		0.4		0.8		0.3		0.8

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2479		127		114.3		71.1		91.4		109.2		180.3		307.3		436.9		360.7		299.7		233.7		152.4

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		272.3		20.3		18		18.9		18.8		20.5		24		26.2		26.4		25		25.7		24.9		23.6

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		161.7		9.9		9.2		8.4		7.9		9.4		14		18.5		19.3		19		17.5		15.8		12.8

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55.5		2.4		2.5		1.1		1.1		2.3		4.3		7.2		9.8		9.1		7.2		5.3		3.2

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

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.9		0.8		0.9		0.2		0.6		0.7		1.5		3.3		5.1		4.3		3.1		2.5		0.9

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		4		3.3		3.2		3.2		3.5		3.9		4.4		4.9		5		4.8		4.5		4.2		3.5

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
mm		3320		450		340		230		380		610		330		440		610		610		670		400		400

Least Recorded Rainfall

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1500		20		---		10		10		10		20		110		90		90		100		60		40

HUMIDITY

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		79.3		77.6		76.3		74.8		75.7		76.9		77.4		80.6		83.2		84.2		82.8		81.1		79.2

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: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.2		22.1		21.7		21.7		22.6		23.4		23.8		23.9		24.1		24.2		24.2		23.9		23.1

DEGREE DAYS

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6005		471		419		487		507		544		529		522		508		493		516		505		502

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11480		936		839		952		957		1009		979		987		973		943		981		955		967

BAROMETER

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1010.5		1011.5		1012		1012.1		1011.4		1010.9		1010.7		1009.7		1009		1009.2		1009.3		1009.7		1010.4

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

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

Average Percent Chance - Clear Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		8.2		7.5		7.1		7.5		8		7.9		8.2		8.7		8.9		10.3		9.1		8.1		7.4

Average Percent Chance - Scattered Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		14.8		13.3		14.1		16		18.2		17.9		15.4		13.2		11.9		11.3		13.9		16.1		15.8

Average Percent Chance - Few Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		27.1		29.9		30.1		32.8		34.5		34.3		27.7		20.4		15.8		17.9		22.7		30.1		29.6

Average Percent Chance - Broken Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		29.3		29.7		29.4		27.9		26.8		27.8		29.5		31.3		30.5		30.6		30.4		28.8		29.1

Average Percent Chance - Overcast Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		20.6		19.7		19.4		15.7		12.5		12.2		19.3		26.5		32.9		29.9		23.9		16.8		18.1

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		54.6		56.9		55.6		51.8		48.9		48.8		51.9		58.4		60.3		59		56.2		52.2		54.8

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		42.2		43		42.2		39.5		37.6		37.2		39		45.9		48.2		46.7		44.1		42		40.7

WIND

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		15.4		18.5		18.2		18.5		17.7		15.6		14.5		11.9		11.4		10.9		12.4		16.7		18.5

Average Percent Chance - Calm Winds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		8.2		2.9		3.3		3.1		3.7		5.3		7		15.2		17.5		18.9		14		4.8		2.8

Average Primary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		134.8		132.9		124.3		135		135		135		135		136.4		142		135.9		135		135		135

Average Secondary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		123.3		92.1		100.7		90		98.2		140.7		156.9		170.4		172.3		140.6		131.5		93.7		90

Average Wind Vector Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		91.5		70.9		69.5		72.1		81.4		91.4		93.9		105		135.5		119.4		96.8		82.9		77

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

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