LANG SON, VIETNAM

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Elevation: 869 feet Latitude: 21 51N Longitude: 106 45E

WEATHER

Monthly - Summary

Nearby

Forecast

Monthly - All Data

Climate Summary

CURRENT CONDITIONS

Sunrise/Set

06:25 pm

07:16 am
Local Time
12:37 am EDT
25 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		71		57		59		64		72		79		81		81		81		78		73		66		60

Average High Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		79		64		65		71		79		87		88		89		89		86		82		75		68

Average Low Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64		50		53		58		66		72		74		74		74		71		65		58		52

Highest Recorded Temperature

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		104		89		98		98		101		104		97		99		99		97		94		91		88

Lowest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		30		30		33		42		44		52		61		67		66		56		46		36		32

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		77.8		---		0.2		0.5		2.5		12.7		16.4		17.1		17.9		7.7		2		0.8		---

Average Number of Days Below 32F/0C

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.5		0.3		---		---		---		---		---		---		---		---		---		---		0.2

PRECIPITATION

Average Precipitation

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		55.7		0.9		2		2		3.5		6.3		7.6		10.8		10.7		6.2		3.3		1.4		1

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		84.3		1.9		3.7		3.9		5.2		5.4		12.2		15		14.9		9.5		6.4		4.1		2.1

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
F		64		47		52		58		66		72		74		75		76		73		67		60		53

DEGREE DAYS

Heating Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		588		248		169.5		15.5		---		---		---		---		---		---		---		---		155

Cooling Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2891		---		---		---		225		449.5		480		511.5		511.5		405		263.5		45		---

Growing Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7781.8		217		254.3		449.5		675		914.5		930		976.5		976.5		855		728.5		495		310

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
kWh/m2		3.7		2.4		2.7		3.3		3.8		4.4		4.5		4.6		4.6		4.3		3.8		3.4		3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2		1.4		1.6		2		2.2		2.4		2.5		2.4		2.3		2.1		1.8		1.5		1.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		2.6		2.9		3.4		3.7		4.1		4.4		4.3		4.3		4.3		4.1		3.9		3.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		1.9		1.8		2.2		2.3		2.8		3		3.1		3.2		3.3		3.3		3.5		3.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		2.4		2.7		3.3		3.8		4.4		4.5		4.6		4.6		4.3		3.8		3.4		3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2		1.4		1.7		2		2.3		2.5		2.5		2.5		2.3		2.1		1.8		1.5		1.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		3.5		3.6		4.6		4.4		4.5		5.2		4.9		5.2		5.2		5.1		4.9		5.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		3.1		2.8		3.8		3.2		3.4		4		4.1		4.6		4.7		4.9		5.1		6.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		1.6		2		2.7		2.9		3.6		3.7		3.4		3.4		3.4		3		2.3		2.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.8		1.2		1.4		1.8		2		2.3		2.4		2.3		2.2		2		1.7		1.3		1.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		1.6		2		2.7		2.8		3.4		3.6		3.2		3.2		3.4		3.2		2.5		2.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.8		1		1.4		1.3		1.8		1.9		1.6		1.7		2		2.1		1.6		1.5

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