OAKVILLE, CALIFORNIA

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Elevation: 79 meters Latitude: 38 30N Longitude: 122 28W

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CURRENT CONDITIONS

Sunrise/Set

09:03 am

11:08 pm
Local Time
2:17 pm EDT
8 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.9		8		10		11.6		13.9		16.9		19.8		21.6		21.2		19.7		16.3		11.8		8.4

Average High Temperature

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.1		13.6		16.2		18.6		21.9		25.6		29.4		32.1		31.7		29.9		25.2		19.1		14.2

Average Low Temperature

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.7		2.4		3.8		4.6		5.9		8.2		10.2		11.1		10.7		9.5		7.4		4.6		2.6

Highest Recorded Temperature

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46.1		28.3		30		35		36.7		41.7		43.3		46.1		44.4		45		40		33.9		28.3

Lowest Recorded Temperature

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-11.7		-8.9		-6.1		-4.4		-2.8		-1.1		2.2		0.6		---		0.6		-5		-5		-11.7

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		7.8		---		---		---		---		0.2		1.3		2.5		2.6		0.9		0.1		---		---

Average Number of Days Above 90F/32C

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55.7		---		---		---		0.8		3.7		9.1		15		13.6		10		3.3		0.1		---

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		136.4		---		0.2		1.4		5.9		13.6		21.8		28.5		28		23.6		12.1		1.1		---

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		212.3		1.4		4		10.3		17.3		25.6		29.2		31		30.8		29.1		24.8		8.1		0.6

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		291.3		9.7		16.1		24		27.3		30.5		30		31		31		30		30.3		21.8		9.6

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		357.7		28.1		27		30.5		29.9		31		30		31		31		30		31		29.8		28.4

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 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		364.8		31		28		31		30		31		30		30.9		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		357		31		28		31		29.9		30.4		28.2		28.8		29.3		28.9		30.8		29.8		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		219.9		29.4		26.2		28.1		25.5		17.2		5.7		1.8		2.2		8.2		20.1		26.1		29.3

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		78.3		18.5		13.1		10.3		5.3		0.6		---		---		---		---		1.4		10.4		18.7

Average Number of Days Below 32F/0C

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35.2		10.8		5.4		3.4		1		0.1		---		---		---		---		0.5		4.3		9.8

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		0.1		---		---		---		---		---		---		---		---		---		---		---		0.1

PRECIPITATION

Average Precipitation

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		879		193		166		110		53		22		6		1		2		7		44		100		175

Average Number of Days With Precipitation

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68		12		11		9		6		4		1		---		1		1		4		8		11

Most Reported Precipitation in a Month

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		702		702		650		428		214		132		60		27		21		93		299		387		618

Least Reported Precipitation in a Month

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		11		2		1		---		---		---		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		177.8		173.5		147.3		162.6		89.4		50.8		40.9		25.6		18.5		93		141.7		131.8		177.8

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		49.7		8.6		8.8		7.5		3.6		2.2		0.5		---		0.2		0.9		2.6		5.7		9.1

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

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		48		9		8		7		4		2		1		---		---		1		3		5		8

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

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22		5		4		3		1		1		---		---		---		---		1		3		4

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		26		5		5		3.9		1.3		0.9		---		---		---		0.1		1.4		3.5		4.9

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

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11		3		2		1		1		---		---		---		---		---		1		1		2

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		0.8		0.5		---		0.2		---		---		---		---		---		---		---		---		---

Most Snow Reported in a Month

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		17.8		17.8		---		10.2		---		---		---		---		---		---		---		---		4.6

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2544		521		381		324		210		93		17		2		2		18		107		335		535

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		848		---		---		3		15		66		146		220		212		143		40		2		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4061		36		79		163		260		439		579		684		674		574		399		142		32

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		10.3		11.3		12.5		13.7		14.8		15.3		15		14.1		12.8		11.6		10.5		10

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		18.1		7.7		11.2		16.3		21.1		25.5		28.8		29.2		26.3		20.7		14.7		9		7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		2.8		3.7		4.8		6.1		6.7		6.3		5.5		4.7		4.1		3.4		2.9		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		20.2		12.6		15.7		19.9		21.8		23.3		24.8		25.7		26		24.2		21		14.5		12.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.4		13.3		17.1		21.6		24.7		29.2		34.3		36.3		34.5		29.3		23.8		15.9		13.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		7.7		11.2		16.3		21.1		25.5		28.8		29.2		26.3		20.7		14.7		9		7

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		3		4.1		5.7		7.2		8.5		7.4		6.7		5.3		5.2		4.2		3.3		2.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.5		16.1		21.4		24.7		24.6		26.5		26.8		27.1		28.4		26.8		23		18.8		17.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		30.5		18.4		26.1		29.7		30.2		36.9		40.2		40.2		40.5		34.3		27		22.2		20.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		5.2		8.3		12.7		16.9		19.1		26.4		26.8		25.1		18.3		12.6		7		5.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.5		2.5		2.6		3.6		5.2		5.2		5		4.6		3.3		3.2		3		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		16.2		7.2		10.5		14.7		17		17.5		22.8		23.6		24.8		20.9		17.1		10.1		8.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		6.1		9.3		13.2		15.9		16.5		28.9		30.8		31.6		23.2		17.8		9.6		8.1

NEARBY - MAP

NEARBY - LIST

Angwin, California (5 mi / 8 km)
St. Helena, California (5 mi / 8 km)
Calistoga, California (8 mi / 13 km)
Fulton, California (13 mi / 21 km)
Kellogg, California (13 mi / 21 km)

GEOBA.SE

Oakville, California