CHESTER, CALIFORNIA

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Elevation: 1375 meters Latitude: 40 18N Longitude: 121 13W

WEATHER

Monthly - Summary

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

08:55 am

11:06 pm
Local Time
8:00 pm EDT
7 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.2		-0.7		1.1		3.4		6.3		10.6		14.9		18.4		17.7		14.5		9.4		3.4		-0.3

Average High Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.8		5.3		7.6		10.6		14.6		19.8		24.8		29.7		29.1		25.6		19.1		10.2		5.6

Average Low Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-0.4		-6.8		-5.3		-3.8		-2		1.4		4.8		7.1		6.2		3.3		-0.3		-3.4		-6.3

Highest Recorded Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40		16.7		21.1		25		28.9		33.9		36.1		40		39.4		36.7		32.2		24.4		16.7

Lowest Recorded Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-26.7		-23.9		-23.3		-19.4		-15		-10		-4.4		-2.8		-2.8		-9.4		-11.1		-16.1		-26.7

Average Number of Days Above 90F/32C

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18.7		---		---		---		---		0.1		1.8		8.2		7		1.6		---		---		---

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		77.5		---		---		---		0.1		3.3		10.9		24		23.8		13.2		2.1		---		---

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		135		---		---		0.4		3.9		12.4		22.4		30.1		30.3		24.2		11.3		---		---

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		186.5		---		1.1		5.2		12.7		22.1		28		31		31		28.5		22		4.8		---

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		243.9		3.6		8.1		16.5		21.3		28.6		29.9		31		31		29.8		27.7		13.5		3

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		313.6		16.4		18.7		26.1		27.9		30.8		30		31		31		30		30.7		24.6		16.3

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		365		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		364.5		31		28		31		30		31		30		30.6		30.9		30		31		30		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		348.5		31		28		31		30		30.7		27.7		22.2		26.7		29.3		31		30		31

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		265.2		30.9		28		30.8		29.3		23		10.5		3		4.8		15.9		28.5		29.6		30.8

Average Number of Days Below 32F/0C

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		201.5		29.4		26.6		28.4		23.4		12.6		2.4		0.4		0.7		4.7		18.8		25.3		28.7

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		45.2		13.8		10		4		0.9		---		---		---		---		---		0.1		4.3		12.1

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		8.3		3.1		2.1		0.2		---		---		---		---		---		---		---		0.5		2.4

Average Number of Days Below 0F/-17C

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.9		0.9		0.4		---		---		---		---		---		---		---		---		---		0.6

PRECIPITATION

Average Precipitation

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		810		153		132		104		56		39		21		7		7		16		48		97		132

Average Number of Days With Precipitation

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78		11		10		10		8		6		4		1		1		3		5		9		10

Most Reported Precipitation in a Month

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		595		595		387		494		196		139		98		51		58		143		350		315		416

Least Reported Precipitation in a Month

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		6		7		7		2		---		---		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		149.9		117.1		103.1		127.5		45.7		43.2		55.1		27.7		37.9		47		149.9		72.1		98.8

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		62.4		9.2		8.6		8.5		5.9		4.5		2.2		0.8		0.7		1.7		4		7.3		9

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

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59		9		8		8		5		4		2		1		1		2		4		7		8

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

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		4		4		3		1		1		---		---		---		---		1		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		22.2		4.1		3.9		3.4		1.3		0.9		0.3		0.2		0.1		0.2		1.5		2.7		3.6

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

Years on Record: 102

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

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		325.6		89.9		66.5		52.8		18.3		3.6		0.2		---		---		0.2		2		26.7		65.3

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.1		5.8		4.4		3.4		1.7		0.2		---		---		---		---		0.3		2.5		4.8

Average Snow Cover

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		12		40		48		27		5		---		---		---		---		---		---		2		17

Most Snow Reported in a Month

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		355.6		355.6		223.5		199.4		120.7		37.1		5.1		---		---		5.1		25.4		137.2		318.8

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		22.7		5.7		4.4		3.4		1.5		0.2		---		---		---		---		0.3		2.4		4.8

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		13.3		3.4		3		1.9		0.5		---		---		---		---		---		0.1		1.4		3

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		8		1.9		2		1.2		0.2		---		---		---		---		---		---		0.7		2

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		2.5		0.9		0.6		0.2		---		---		---		---		---		---		---		0.1		0.7

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		92.4		24.7		24.8		15.3		3.4		---		---		---		---		---		0.1		4.7		19.4

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		81.1		22.4		23.3		13.5		2.8		---		---		---		---		---		0.1		3		16

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		69.4		19.6		21.8		11.8		2.3		---		---		---		---		---		---		2.1		11.8

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		47.4		13.8		17		8.3		1.3		---		---		---		---		---		---		1.3		5.7

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6750		1063		890		828		649		429		200		54		69		206		495		816		1049

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		155		---		---		---		---		1		16		79		51		8		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1675		---		---		1		16		113		276		490		447		262		70		1		---

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		11.5		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		17.8		7.8		11.2		16.1		20.5		24.6		28.3		28.9		25.8		20.4		14.4		8.8		7.1

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		2.6		3.5		4.8		6.2		7		6.5		5.6		4.8		4.1		3.3		2.8		2.3

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		13.6		16.1		20		21.3		22.6		24.3		25.4		25.6		24.1		21		14.5		13.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.4		14.7		17.6		21.7		23.9		27.6		33.3		35.9		33.8		29.3		23.9		15.9		14.6

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		7.8		11.2		16.1		20.5		24.6		28.3		28.9		25.8		20.4		14.4		8.8		7.1

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		2.9		4		5.4		7.2		8.5		8.1		6.8		5.7		5.4		4		3.1		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		23.4		16.8		19.4		24.2		24.6		26.7		26.7		27.8		28.6		26.2		24.1		18.4		17.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		30.6		19.3		22.9		28.8		30.5		37.8		40.1		42.5		41		33.2		28.7		21.7		20.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		6.6		9		13.6		15.6		18.4		24.4		26.4		24		17.4		12.5		7.4		5.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.5		2.3		3		3.7		5.1		5		5.1		4.1		3.2		3.4		2.6		2.3		1.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.5		10.7		11.9		16.1		15.7		16.9		21.2		23.4		23.7		19.9		17.3		11.3		9.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.8		10.7		11.5		15.5		13.8		15.5		25.1		30.4		29.4		21.6		18.2		11.4		9.9

NEARBY - MAP

NEARBY - LIST

Westwood, California (8 mi / 14 km)
Canyondam, California (11 mi / 18 km)
Twain, California (15 mi / 24 km)
Greenville, California (18 mi / 30 km)
Mineral, California (18 mi / 30 km)

GEOBA.SE

Chester, California