BOSTON, MASSACHUSETTS

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Elevation: 4 feet Latitude: 42 22N Longitude: 071 02W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

05:53 am

07:31 pm
Local Time
3:32 am EDT
20 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		51.3		29.3		30.6		38.2		48.1		58.2		67.7		73.3		71.8		64.7		54.6		44.8		33.8

Average High Temperature

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		59		36.4		38		45.6		56		66.7		76.4		81.6		79.8		72.6		62.5		51.7		40.6

Average Low Temperature

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		43.5		22.2		23.3		30.9		40.1		49.8		59.1		65		63.9		56.9		46.8		37.8		27

Highest Recorded Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		103		69		70		89		94		95		100		103		102		100		90		79		76

Lowest Recorded Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-12		-12		-4		5		16		34		45		50		47		38		28		15		-7

Average Heat Index Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		51.6		29.6		32		38.2		48.1		57.6		67.6		73.9		72.1		64.9		54.2		44.8		35.1

Average Wind Chill Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		47.7		20		23		30.9		44.1		56.3		67.4		73.4		71.7		64.6		52.4		39.9		27

Average Number of Days Above 90F/32C

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.5		---		---		---		0.1		0.6		2.7		4.9		3.4		0.8		---		---		---

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		53.6		---		---		0.1		0.8		3.3		10.6		17.8		15		5.3		0.7		---		---

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		115.5		---		---		0.6		2.8		10		21.7		28.6		27.9		17.9		5.1		0.7		0.1

Average Number of Days Above 65F/18C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		153		---		---		1		6		17		27		31		31		24		13		3		---

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		175.5		0.4		0.5		2.4		8.6		21.5		28.3		31		30.9		28.7		16.4		5.6		1.1

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		237.5		2.9		3.2		9.1		20.7		29.7		30		31		31		30		28.6		16.1		5.2

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		299.7		9.8		11.6		21.3		29		31		30		31		31		30		31		27.4		16.6

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		353.6		31		28		31		30		30.9		28.8		25.3		27.3		29.3		31		30		31

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		286		31		28		31		30		29.2		17.1		3.8		5.2		19.6		30.1		29.9		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		219.8		31		28		30.9		28.4		16.6		1.2		---		0.1		4		21		28		30.7

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		153.1		30.2		27.1		28		13.9		0.8		---		---		---		0.1		6		18.6		28.3

Average Number of Days Below 32F/0C

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		97.7		25.7		23.4		16.5		2.7		---		---		---		---		---		0.5		7.4		21.6

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.9		12.1		8.2		2.6		0.1		---		---		---		---		---		---		0.4		5.6

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.6		4.2		1.3		0.3		---		---		---		---		---		---		---		---		0.9

Average Number of Days Below 5F/-15C

Years on Record: 50

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

Average Number of Days Below 0F/-17C

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.1		0.5		0.4		---		---		---		---		---		---		---		---		---		0.2

PRECIPITATION

Average Precipitation

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		42.2		3.6		3.3		4		3.7		3.3		3.4		3.1		3.4		3.3		3.3		3.9		3.9

Average Number of Days With Precipitation

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126		12		10		12		11		11		11		9		10		9		9		11		11

Most Reported Precipitation in a Month

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		17.1		10.6		7.9		14.9		9.6		13.4		13.2		11.7		17.1		10.9		10.7		8.9		9.7

Least Reported Precipitation in a Month

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.6		0.7		0.6		0.8		0.2		---		0.5		0.7		0.2		0.1		0.6		0.7

Most Precipitation Reported in a Day

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7.1		2.5		2.7		4		4.3		4.5		5.7		6		7.1		5.6		6.1		3.3		4.2

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		76.2		6.5		5.8		7.4		6.5		6.9		6.4		6.2		5.8		5.6		5.9		6.6		6.6

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

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75		7		6		7		7		7		6		6		6		5		5		6		7

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

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28		3		2		3		2		2		2		2		2		2		2		3		3

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		28.4		2.4		2.4		2.6		2.2		2.1		2.1		2.4		2		2.1		2.8		2.8		2.5

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

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		1		1		1		1		1		1		1		1		1		1		1		1

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		0.7		0.4		0.4		0.4		0.6		0.8		1.1		1.3		1.2		1		0.7		0.6		0.4

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126		11		11		12		11		11		11		9		10		9		9		11		12

Average Number of Days With Thunderstorms

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16		---		---		1		1		2		3		4		3		1		1		---		---

Most Rain Reported in a Month

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		62.3		10.5		7.8		11		9.5		13.4		13.2		8.1		17.1		8.3		8.7		8.9		9.7

Least Recorded Rainfall

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		23.7		0.6		0.7		0.6		1.2		0.5		0.5		0.5		0.8		0.3		0.3		0.6		0.8

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		41.8		12.7		12.1		7.2		0.8		---		---		---		---		---		---		1.2		7.8

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.4		6.7		5.3		4.2		0.7		---		---		---		---		---		0.1		0.8		4.6

Most Snow Reported in a Month

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		43.3		43.3		41.3		38.9		13.3		0.9		---		---		---		---		1.1		9.5		27.9

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10.9		3.6		2.4		2.2		0.3		---		---		---		---		---		---		0.4		2

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.7		1.5		1.1		0.9		0.1		---		---		---		---		---		---		0.2		0.9

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.7		0.8		0.7		0.5		0.1		---		---		---		---		---		---		---		0.6

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.5		0.1		0.2		---		0.1		---		---		---		---		---		---		---		0.1

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.6		10.9		9.4		5.6		0.3		---		---		---		---		---		---		0.9		4.5

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19.4		7.3		5.9		3.2		0.2		---		---		---		---		---		---		0.4		2.4

Avg. # of Days w/Snow Depth Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.6		4.8		3.2		1.6		0.1		---		---		---		---		---		---		0.1		1.8

Avg. # of Days w/Snow Depth Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4		2		0.8		0.3		0.1		---		---		---		---		---		---		---		0.8

HUMIDITY

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		66.1		62.1		59.1		62.6		62.7		67.1		69.9		69.1		71.1		72.1		68.7		66.3		62.5

Average Morning Relative Humidity

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72		68		68		69		68		71		72		73		76		78		77		74		70

Average Evening Relative Humidity

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		58		58		56		57		56		58		58		57		60		61		59		61		60

Average Dew Point

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		39.7		17.7		19.3		25.5		34.7		45.4		55.8		61.4		60.9		54.7		43.2		33.2		23.5

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5681		1116		932		829		510		245		55		6		7		84		350		608		939

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		747		---		---		---		3		27		136		266		227		81		7		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2936		2		1		10		67		259		531		725		685		448		164		38		6

BAROMETER

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
InHg		30		30		30		30		30		30		29.9		30		30		30.1		30.1		30		30

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10		11.1		12.5		13.9		15.2		15.8		15.5		14.3		12.9		11.5		10.3		9.7

Average Number of Days With Fog

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		135		10		9		11		11		13		12		12		13		11		12		11		10

Average Number of Clear Days

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		98		9		8		8		7		6		7		7		9		10		11		8		9

Average Possibility of Sunshine

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		58		53		56		57		56		59		63		66		65		63		60		50		52

Average Number of Cloudy Days

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		163		15		13		15		15		15		13		12		11		12		12		15		15

Average Number of Partly Cloudy Days

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		104		7		7		8		8		10		10		12		11		8		8		7		7

Average Percent Chance - Clear Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		20.1		23.8		24.1		21.7		17.7		15.3		14.6		14.7		18.3		23.8		24.6		21.1		22

Average Percent Chance - Scattered Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		9.5		7		7.7		7.2		8.3		9.7		11.7		14.2		13.5		10.6		9.1		7.8		7

Average Percent Chance - Few Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		13.3		12		12		12.1		11.9		12.9		13.8		15.8		16		14.7		13.8		12.7		11.7

Average Percent Chance - Broken Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		17.5		13.5		13.9		14.6		16.8		19.1		22.5		23.5		21.3		17.7		16.6		16.1		14.4

Average Percent Chance - Overcast Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		39.6		43.7		42.3		44.5		45.2		42.9		37.4		31.8		30.9		33.3		35.9		42.3		45

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		59		60.4		57.3		61.6		62		62.1		61.8		57.2		54.8		53.7		54.2		62.3		60.2

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		52.8		55.6		51.4		56.8		55.3		55.9		53.9		49.8		47.1		48		49.1		56.8		55

WIND

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		11.8		12.8		12.9		13.1		12.5		11.6		10.8		10.6		10.2		10.7		11.5		12.1		12.7

Highest Reported Hourly Wind Speed

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		54		49		48		54		43		45		47		46		47		47		47		48		51

Average Percent Chance - Calm Winds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		1.8		1.5		1.5		1.6		1.9		1.7		2		2.2		2.2		2.2		1.7		2		1.6

Average Primary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		284.5		348.1		348.5		338.5		262.4		203.8		220.4		246.4		219.4		238.5		299		344.4		348.4

Average Secondary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		285.6		326.4		315.5		259.2		271		241.4		279.8		260.7		254.2		284.1		306.1		310.4		321

Average Wind Vector Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		260.1		287.2		293.4		302.1		244.1		210.8		232		233.2		223.3		247.9		280		283.1		286.4

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.8		2.7		3.8		4.7		5.4		5.7		5.9		5.3		4.2		3.1		2		1.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.7		1		1.4		1.9		2.3		2.5		2.3		2		1.6		1.1		0.8		0.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		3.3		4.1		4.6		4.8		4.9		5		5.2		5.2		4.8		4.3		3.2		2.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		3.4		4.3		4.6		4.7		4.9		5.1		5.6		5.5		4.9		4.4		3.3		3.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.8		2.7		3.8		4.7		5.4		5.7		5.9		5.3		4.2		3.1		2		1.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.7		1		1.5		2		2.4		2.5		2.4		2.1		1.7		1.2		0.8		0.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		4		5.2		5.4		6.3		5.6		5.7		5.9		6.1		5.6		5.3		3.8		3.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		4.3		5.8		5.9		7.4		6.3		6.6		7.2		7.3		6.3		5.8		4.1		4.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		1.6		2.3		3.3		3.7		4.3		4.7		5.1		4.7		3.6		2.5		1.5		1.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.7		0.8		1.3		1.6		2.2		2.3		2.1		1.7		1.4		1		0.8		0.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		2.6		3.2		4		3.7		4		4.1		4.6		4.6		4		3.2		2.2		2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		2.5		3.1		3.7		3		3.2		3.4		4.2		4.4		3.6		2.9		1.9		1.8

NEARBY - MAP

NEARBY - LIST

Brookline, Massachusetts (4 mi / 6 km)
Chelsea, Massachusetts (4 mi / 6 km)
Jamaica Plain, Massachusetts (6 mi / 10 km)
Melrose, Massachusetts (6 mi / 10 km)
Hingham, Massachusetts (10 mi / 17 km)

GEOBA.SE

Boston, Massachusetts