LANG SON, VIETNAM

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Elevation: 264 meters Latitude: 21 51N Longitude: 106 45E

WEATHER

Monthly - Summary

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

06:26 pm

07:15 am
Local Time
10:37 am EDT
23 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21		13		14		17		22		26		27		27		27		25		22		18		15

Average High Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26		17		18		21		26		30		31		31		31		30		27		23		20

Average Low Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		10		11		14		18		22		23		23		23		21		18		14		11

Highest Recorded Temperature

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40		31		36		36		38		40		36		37		37		36		34		32		31

Lowest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1		-1		---		5		6		11		16		19		18		13		7		2		---

Average Number of Days Above 90F/32C

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77		---		---		---		2		12		16		17		17		7		2		---		---

Average Number of Days Below 32F/0C

Years on Record: 7

ANNUAL

JAN

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APR

MAY

JUN

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AUG

SEP

OCT

NOV

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Days

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PRECIPITATION

Average Precipitation

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1410		20		50		50		80		160		190		270		270		150		80		30		20

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		84		1		3		3		5		5		12		15		14		9		6		4		2

HUMIDITY

Average Relative Humidity

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		81		73		79		82		82		79		81		83		85		85		81		82		79

Average Dew Point

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		8		11		14		18		22		23		23		24		22		19		15		11

DEGREE DAYS

Heating Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		395.6		137.8		94.2		8.6		---		---		---		---		---		---		---		---		86.1

Cooling Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1606.2		---		---		---		125		249.7		266.7		284.2		284.2		225		146.4		25		---

Growing Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4461.1		120.6		141.3		249.7		375		508.1		516.7		542.5		542.5		475		404.7		275		172.2

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.4		11.8		12.4		13		13.6		13.9		13.7		13.2		12.6		12		11.5		11.2

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		13.4		8.5		9.7		12		13.7		15.7		16.3		16.6		16.4		15.3		13.6		12.1		10.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.1		4.9		5.8		7		8		8.8		8.9		8.8		8.3		7.5		6.4		5.3		4.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		9.3		10.3		12.2		13.2		14.7		15.9		15.4		15.6		15.4		14.7		14		12.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.1		6.9		6.6		7.7		8.2		9.9		10.6		11.2		11.7		11.7		12		12.5		12.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.4		8.5		9.7		12		13.7		15.7		16.3		16.6		16.4		15.3		13.6		12.1		10.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.2		5.2		6.1		7.3		8.3		8.9		9		8.9		8.4		7.6		6.5		5.4		4.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		12.5		13.1		16.7		15.7		16.3		18.6		17.6		18.6		18.7		18.4		17.8		18.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15		11.3		10		13.8		11.6		12.3		14.3		14.9		16.7		16.9		17.7		18.4		22.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.2		5.7		7.1		9.8		10.4		12.8		13.1		12.1		12.1		12.2		10.9		8.2		7.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		4.1		5.1		6.6		7.3		8.3		8.5		8.2		7.9		7.2		6		4.8		3.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.1		5.8		7.3		9.8		10		12.2		12.8		11.4		11.5		12.1		11.5		8.9		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		5.5		2.9		3.5		4.9		4.5		6.5		6.7		5.6		6.1		7.3		7.6		5.7		5.5

NEARBY - MAP

NEARBY - LIST

Longzhou, China (35 mi / 57 km)
Baihe, China (37 mi / 59 km)
Thai Nguyen, Vietnam (61 mi / 98 km)
Cao Bang, Vietnam (64 mi / 104 km)
Haiphong, Vietnam (72 mi / 117 km)

GEOBA.SE

Lang Son, Vietnam