HILO, HAWAII

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Elevation: 10 meters Latitude: 19 43N Longitude: 155 04W

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CURRENT CONDITIONS

Sunrise/Set

11:58 am

12:39 am
Local Time
11:27 am EDT
19 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		23.3		21.9		21.8		22.1		22.3		23.2		24		24.5		24.7		24.6		24.2		23.4		22.4

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27.2		26.1		26		26.1		26.1		27		27.9		28.2		28.4		28.5		28.1		27.1		26.3

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.3		17.7		17.5		18.1		18.6		19.4		20.1		20.7		20.9		20.6		20.3		19.6		18.4

Highest Recorded Temperature

Years on Record: 66

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		34.4		33.3		33.3		33.9		31.7		34.4		32.2		32.8		33.9		33.3		32.8		33.3		33.9

Lowest Recorded Temperature

Years on Record: 66

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.7		12.2		11.7		12.2		13.3		14.4		15.6		16.7		17.2		16.1		16.7		14.4		12.8

Average Heat Index Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.2		21.7		21.6		21.8		22.2		23.1		24.1		24.7		25		24.8		24.2		23.2		22.1

Average Wind Chill Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22.9		21.6		21.5		21.8		22.1		22.9		23.7		24.2		24.4		24.2		23.8		22.9		22

Average Number of Days Above 86F/30C

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		54		2		2		2		1		3		5		6		9		11		8		3		2

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		237.1		11.3		10.6		12.5		11.8		19.3		26.4		28.4		28.6		28.3		26.5		19.3		14

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		364.1		30.8		27.7		30.7		29.9		31		30		31		31		30		31		30		30.9

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: 46

		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 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		311.8		30.9		27.9		30.7		29.8		28.8		26		20.1		17.5		19.9		23.5		26.2		30.4

Average Number of Days Below 65F/18C

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		142		24		22		22		16		11		4		3		2		3		5		10		20

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.8		2		2.4		0.6		0.1		---		---		---		---		---		---		0.1		0.7

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		3218.2		236.2		243.8		340.4		292.1		205.7		188		274.3		251.5		251.5		248.9		393.7		294.6

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		272.1		16.3		15.8		21.4		24.9		23.5		25.1		26.8		26.8		24.3		23.6		23		20.6

Most Reported Precipitation in a Month

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1448		711		1152		668		850		534		252		442		790		336		686		758		1448

Least Reported Precipitation in a Month

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		9		9		32		112		53		88		68		139		121		61		77		193		91

Most Precipitation Reported in a Day

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		410.2		184.2		410.2		266.2		194.3		185.9		72.4		146.8		184.7		144.8		232.9		329.7		243.1

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		188.3		11.2		10.3		14.9		18.3		15		16.5		19.5		17.9		16.6		17		16.9		14.2

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

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		171		10		11		14		15		17		14		16		17		14		14		14		15

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

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76		5		7		7		7		7		4		7		7		4		6		7		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		68.7		5.1		4.8		6.4		6.8		4.2		4.4		6.1		5.2		5.7		5.9		7.9		6.2

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

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.8		2.7		2.4		3.5		2.6		1.7		1.3		2.2		1.8		2.1		2.3		4.1		3.1

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		3		2.7		2.6		2.8		2.7		2.9		3		3.2		3.3		3.4		3.3		3.2		2.9

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		278		17		17		23		25		25		25		27		26		23		24		23		21

Average Number of Days With Thunderstorms

Years on Record: 46

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

Most Rain Reported in a Month

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		5350		810		1150		1260		1090		630		330		720		680		550		660		1160		1290

Least Recorded Rainfall

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1720		10		10		20		70		60		40		90		60		40		60		20		---

PRECIPITATION - SNOW

Most Snow Reported in a Month

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		1.5		---		---		---		---		---		---		1.5		---		---		---		---		---

HUMIDITY

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78.1		76.3		75.7		77.4		78.6		77.2		77.7		78.8		79.3		78.6		79.6		81.3		79

Average Morning Relative Humidity

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		86		82		82		85		88		88		87		88		88		86		86		86		84

Average Evening Relative Humidity

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74		73		72		73		75		73		71		73		74		74		76		78		76

Average Dew Point

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.8		16.9		16.7		17.3		18		18.6		19.3		20.1		20.4		20.2		19.9		19.3		17.9

DEGREE DAYS

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3232		198		172		211		216		271		306		343		355		336		327		272		225

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8707		663		592		676		666		736		756		808		820		786		792		722		690

BAROMETER

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1016.8		1016.2		1016.7		1017.9		1018.3		1017.6		1017.6		1016.9		1016.3		1015.5		1015.7		1016.2		1016.5

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		11.5		11.9		12.4		13		13.5		13.7		13.6		13.1		12.6		12		11.6		11.4

Average Number of Clear Days

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36		6		5		3		1		1		2		1		2		3		3		3		5

Average Possibility of Sunshine

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		41		47		46		41		36		37		44		42		42		43		39		34		37

Average Number of Cloudy Days

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		199		13		13		18		20		19		17		18		17		15		16		16		15

Average Number of Partly Cloudy Days

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		131		12		10		10		9		11		11		12		12		12		12		11		11

Average Percent Chance - Clear Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		6.8		14.4		12.1		7.5		3.2		4.7		4		3.7		4		5.4		5.9		6.5		10.7

Average Percent Chance - Scattered Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		10.7		9.5		10.1		9.9		9.5		10.4		11.1		11.3		12.1		11.8		12.2		10.2		10.5

Average Percent Chance - Few Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		12.6		16.7		15.4		13		9.5		10.3		10.8		10.8		12.6		14		13		11.9		13.7

Average Percent Chance - Broken Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		28.8		24.1		24.8		27.2		29.2		29.2		33.3		30.5		30.5		30		30.5		28.3		27.4

Average Percent Chance - Overcast Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		41.1		35.2		37.6		42.5		48.7		45.4		40.8		43.6		40.7		38.7		38.4		43.2		37.8

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72.3		62.7		68.5		73.2		78		75.1		75.7		75.8		74.9		70.7		71.2		73.8		69.3

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		70		61.2		66.8		71.4		75.2		73		73.7		73.8		72.6		67.5		66.5		70.9		67.3

WIND

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		11.1		11.4		11.7		11.9		11.7		11.4		10.9		10.8		10.6		10.6		10.5		10.6		10.9

Highest Reported Hourly Wind Speed

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		62.8		56.3		62.8		46.7		41.8		46.7		40.2		40.2		40.2		40.2		46.7		53.1		46.7

Average Percent Chance - Calm Winds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		5.4		5.6		5		5.4		5.2		5.4		5.2		5.4		5.3		4.9		5.2		5.7		6

Average Primary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		198.1		214.2		193.3		203.9		199.6		190.7		180.1		177.3		185.4		193.3		203.4		215		220.5

Average Secondary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		199.5		181.5		181.5		179.9		216		197.4		218.7		218.3		218.5		196.5		199.3		190.1		195

Average Wind Vector Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		163.1		172.8		166.5		163.8		167.3		154.9		152.4		155.8		159.2		162.2		165.2		167.3		170.6

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		21.4		15.9		18.6		21.6		24.2		25.4		26.1		25.6		25.1		23.1		19.9		16.3		14.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		4.5		5.2		6		6.7		7.1		6.9		7		6.5		5.9		5.3		4.7		4.3

Average 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		19.3		21.1		22.6		23.4		23.3		26.2		25.4		23.6		23.5		22		19.3		17.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.2		21.3		22.5		23.7		25.3		26.2		27.5		26.6		26.5		25.5		23.6		20.8		20.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.4		15.9		18.6		21.6		24.2		25.4		26.1		25.6		25.1		23.1		19.9		16.3		14.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.8		5.3		6.1		7.2		8.1		8.1		7.6		7.8		7.4		7		6.2		5.5		4.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.8		23.4		23.9		25.9		25.8		24.4		28.4		27.6		25.9		25.2		24.9		21.9		20.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		29.1		28.7		27.7		30.1		30.3		28.8		31.8		30.8		31.6		29		29.1		25.3		25.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.4		12.6		15.2		17.5		18.9		22.4		24.2		23.5		22.9		20.3		16.9		13.5		12.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		3.3		4.2		4.8		5.7		6.6		6		6.2		5.4		5.3		4.2		4.1		3.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		14.6		16.8		18.1		18.3		20.7		24.3		23.3		21.6		20.5		18.3		15.5		14.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18		13.4		15.2		15.8		15.6		20.4		23.8		22.4		22.2		19.8		17.2		14.4		15.3

NEARBY - MAP

NEARBY - LIST

Papaikou, Hawaii (0 mi / 0 km)
Hilo - Clem Akina Park, Hawaii (1 mi / 2 km)
Kaumana, Hawaii (4 mi / 7 km)
Amauulu, Hawaii (5 mi / 8 km)
Kipa, Hawaii (5 mi / 9 km)

GEOBA.SE

Hilo, Hawaii