ST. HELENA, CALIFORNIA

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Elevation: 52 meters Latitude: 38 26N Longitude: 122 25W

WEATHER

Monthly - Summary

CURRENT CONDITIONS

Sunrise/Set

06:52 am

04:56 pm
Local Time
1:05 am PST
15 November, 2024

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MONTHLY - WEATHER AVERAGES SUMMARY [ Show All Data ]

[ °F ] °C

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.1		8.6		10.4		12.3		13.9		17.3		19.8		20.7		20.8		19.8		16.8		12		8.6

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.1		14.5		17.1		19.3		21.9		26.1		29.1		29.9		30.3		29.3		25.8		19.2		14.8

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.1		2.6		3.8		5.3		5.9		8.6		10.4		11.5		11.3		10.3		7.7		4.8		2.4

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		858.5		160		172.7		121.9		48.3		30.5		5.1		---		2.5		7.6		38.1		101.6		172.7

Average Number of Days With Precipitation

Years on Record: 76

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60		11		9		9		5		3		1		---		1		1		4		7		9

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28.9		15.6		18.5		20.4		21.5		24.4		27.6		24.8		25.6		28.9		24.8		20.9		16.4

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.3		4.3		5.8		6.4		6.9		9.5		11.6		12.4		11.9		12.4		10.8		7.2		4.4

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

Average Number of Days Above 90F/32C

Years on Record: 76

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.9		---		---		0.4		0.8		2		4.2		7.4		7.6		6.5		3.1		---		---

Average Number of Days Below 32F/0C

Years on Record: 76

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60.2		12.9		8.8		7.6		3.4		0.8		0.2		---		---		0.4		4		7.9		14.2

Average Snowfall

Years on Record: 76

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

NEARBY - MAP

NEARBY - LIST

Oakville, California (5 mi / 8 km)
Angwin, California (9 mi / 15 km)
Boyes Hot Springs, California (10 mi / 16 km)
Spanish Flat, California (12 mi / 20 km)
Calistoga, California (13 mi / 22 km)

GEOBA.SE

St. Helena, California