PRINCETON, NEW JERSEY

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Elevation: 18 meters Latitude: 40 20N Longitude: 074 40W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

07:29 am

05:55 pm
Local Time
3:24 am EDT
1 November, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1226		96		75		99		99		118		95		135		107		112		92		98		99

Average Number of Days With Precipitation

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		97		8		8		9		9		9		8		8		8		7		6		8		9

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		482		267		141		210		239		238		204		482		364		281		227		233		221

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		7		14		22		39		26		21		7		26		15		32		31		10		15

Most Precipitation Reported in a Day

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		173.2		70.6		82.3		57.1		55.9		81.3		99.1		167.6		173.2		112.8		111.8		89.4		80.5

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

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		73		6		6		7		7		7		6		6		6		5		5		6		6

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

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		2		2		3		3		3		2		3		3		3		2		3		3

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

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13		1		1		1		1		1		1		2		1		1		1		1		1

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		28.2		7.6		10.2		4.1		0.5		---		---		---		---		---		---		0.2		5.6

Most Snow Reported in a Month

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		57.1		39.4		57.1		24.9		7.6		---		---		---		---		---		1.5		5.1		33

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		10.2		11.2		12.5		13.8		15		15.6		15.2		14.2		12.9		11.6		10.4		9.9

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		13.7		7		10		13.4		16.5		18.9		20.4		20		18		15.2		11.4		7.5		6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		2.8		3.8		5.4		7.1		8.3		8.9		8.5		7.5		5.8		4.3		3.1		2.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		11.5		13.9		15.9		16.7		17.3		17.9		17.9		17.5		16.9		15.3		11.7		10.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		11.7		14.3		15.3		15.6		16.5		17.8		17.8		16.9		16.8		15.3		11.9		10.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		7		10		13.4		16.5		18.9		20.4		20		18		15.2		11.4		7.5		6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		2.9		4		5.6		7.3		8.6		9.1		8.8		7.7		6.2		4.5		3.2		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		14.1		17		18.7		19		20.9		20.4		20.2		20.1		20.2		19.2		14.8		13.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.8		14.9		18.8		19.6		19.6		23.7		23.2		22.5		21.7		22.2		21.1		16.2		14.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.4		6		8.6		12		14.3		13.1		16.1		17.4		16.2		12.5		10.1		6		4.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.7		3.5		5		6.8		7.6		8.3		8.1		7		5.3		3.7		2.8		2.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.4		9.2		11.2		13.8		14.3		12		14.2		15.6		15.7		13.4		13.1		8.6		7.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.6		8.7		10.5		12.2		11.6		7.7		10.9		13.3		13.8		11.3		12.2		7.7		6.8

NEARBY - MAP

NEARBY - LIST

Hightstown, New Jersey (6 mi / 11 km)
Trenton, New Jersey (9 mi / 15 km)
Ringoes, New Jersey (10 mi / 17 km)
Hillsborough, New Jersey (11 mi / 18 km)
Morrisville, Pennsylvania (11 mi / 18 km)

GEOBA.SE

Princeton, New Jersey