GREENBRAE, CALIFORNIA

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Elevation: 3 meters Latitude: 37 57N Longitude: 122 33W

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CURRENT CONDITIONS

Sunrise/Set

09:11 am

11:02 pm
Local Time
3:59 am EDT
2 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.3		8.4		10.4		11.8		13.6		15.7		18.1		19.3		19.1		18.6		16		11.9		8.7

Average High Temperature

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21.4		13.1		15.8		18.1		20.7		23.4		26.6		28.6		28.2		27.4		23.8		17.9		13.5

Average Low Temperature

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.2		3.7		5		5.5		6.6		8.1		9.7		10.1		10.1		9.7		8.3		6		3.9

Highest Recorded Temperature

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		44.4		26.1		28.9		32.8		36.1		38.9		43.3		44.4		41.1		41.1		38.3		31.7		26.1

Lowest Recorded Temperature

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-8.3		-7.8		-6.1		-4.4		-1.7		0.6		2.8		---		2.8		1.1		-2.2		-3.9		-8.3

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.3		---		---		---		---		---		0.4		0.5		0.2		0.1		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.5		---		---		---		0.2		1.4		4.4		5.6		5.2		5.4		1.3		---		---

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		82.9		---		---		0.6		3		6.4		12.2		19.4		18.8		15.6		6.9		0.1		---

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		180.7		---		1.9		6.8		11.4		19.5		26.1		30.5		30.5		28.3		21.2		4.3		0.1

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		270.1		5.2		12.5		21.9		25.2		30.3		30		31		31		30		30.4		18.3		4.2

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		354.3		26.1		27.1		30.8		30		31		30		31		31		30		31		29.6		26.7

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		364.9		31		28		31		30		31		30		31		31		30		31		30		30.9

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		364.9		31		28		31		30		31		30		31		31		30		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		360.4		31		28		31		30		30.7		29.1		30.1		30		29.1		30.6		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		224.8		28.4		24.7		27.3		24.8		19.2		9.4		6		5		9.4		17.8		24.5		28.3

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		48.1		13.5		8.3		5.5		2.2		---		---		---		---		---		0.2		5		13.2

Average Number of Days Below 32F/0C

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.4		6		2.8		1.4		0.2		---		---		---		---		---		---		1.7		5.3

PRECIPITATION

Average Precipitation

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1208		268		214		157		72		34		9		1		2		12		62		148		228

Average Number of Days With Precipitation

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		67		12		10		10		6		4		1		---		---		1		4		8		11

Most Reported Precipitation in a Month

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		835		798		719		576		233		246		87		84		44		142		329		660		835

Least Reported Precipitation in a Month

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		8		1		2		---		---		---		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		293.6		293.6		220		122.7		125.7		105.7		49.3		62.2		31.2		97.8		156		202.2		204.2

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		52.1		9		9.2		8.1		4.1		2.3		0.5		---		0.1		0.6		2.5		6.3		9.4

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

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		51		10		8		8		4		2		1		---		---		1		3		6		8

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

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28		6		5		4		2		1		---		---		---		---		1		4		5

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		29		5.6		5.4		4.6		1.5		0.8		0.2		---		---		0.2		1.2		3.9		5.6

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

Years on Record: 109

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

PRECIPITATION - SNOW

Most Snow Reported in a Month

Years on Record: 109

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2.5		---		---		---		---		---		---		---		---		---		---		---		2.5

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2714		522		377		333		241		141		52		15		14		32		126		337		525

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		413		---		---		1		7		25		67		104		97		83		28		1		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3419		31		75		146		219		349		465		553		549		501		367		134		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		10.4		11.3		12.4		13.7		14.8		15.3		15		14		12.8		11.6		10.6		10.1

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		17.8		8.1		11.1		16.3		22.1		26.2		28.1		26.7		23.7		19.7		14.4		9.5		7.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.9		3.8		5		5.9		6.5		6.6		6.7		6		4.8		3.8		3		2.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.6		13.1		15.1		19.7		22.8		23.9		24.2		23.6		23.2		22.5		19.9		14.9		12.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.1		14		16.1		21		26.4		30.2		32.7		30.5		28		26		22		16.3		13.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.8		8.1		11.1		16.3		22.1		26.2		28.1		26.7		23.7		19.7		14.4		9.5		7.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		3.1		4.2		5.8		6.9		8		8.2		8.1		7.3		5.9		4.3		3.4		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.3		17.8		21		25.9		25.6		26.5		26.3		26.7		25.8		24.8		22		19.5		18.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		29.9		20.8		25.4		31.7		32.2		36.8		38.4		38.7		33.8		30.4		25.3		23.3		21.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		5.7		8.2		13.3		19		21.9		24		22.8		19.9		16.5		12.8		7.6		5.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.8		2.4		2.8		3.4		4.8		5.2		5.4		4.9		4.9		4		3.4		2.3		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		7.9		10.2		15.3		19.3		20.1		20.8		20.3		19.4		18.2		17.2		11		8.8

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		6.9		8.8		14		19.7		21.4		23.9		22.3		20		18.5		17.8		10.7		8.2

NEARBY - MAP

NEARBY - LIST

San Rafael, California (1 mi / 2 km)
Mill Valley, California (3 mi / 5 km)
Novato, California (7 mi / 11 km)
Lucas Valley-Marinwood, California (8 mi / 13 km)
Richmond, California (10 mi / 17 km)

GEOBA.SE

Greenbrae, California