KEYSTONE, SOUTH DAKOTA

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Elevation: 1511 meters Latitude: 43 53N Longitude: 103 27W

WEATHER

Monthly - Summary

CURRENT CONDITIONS

Sunrise/Set

07:51 am

09:51 pm
Local Time
12:12 pm EDT
26 April, 2024

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MONTHLY - WEATHER AVERAGES SUMMARY [ Show All Data ]

[ °F ] °C

Average Temperature

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.8		-3.3		-1.9		1		5.7		11.2		16.7		21		20.2		15.1		8.7		1.8		-2.4

Average High Temperature

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.3		1.9		3.3		6.4		11.2		16.9		22.4		27		26.3		20.9		14.2		6.8		2.6

Average Low Temperature

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.3		-8.6		-7.2		-4.4		0.2		5.4		10.8		15		14.2		9.1		3.2		-3.1		-7.4

Average Precipitation

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		550		10		15		28		60		102		99		82		50		42		35		15		12

Average Number of Days With Precipitation

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		88		5		5		6		8		11		13		11		9		7		5		4		4

Highest Recorded Temperature

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.8		20		20		25.6		29.4		33.9		37.2		37.8		37.2		36.1		28.9		23.9		19.4

Lowest Recorded Temperature

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-38.9		-38.9		-33.9		-24.4		-17.2		-10		-2.8		1.7		0.6		-7.2		-17.2		-24.4		-35

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		9.9		11		12.5		14		15.3		16		15.6		14.4		12.9		11.4		10.2		9.5

Average Number of Days Above 90F/32C

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.7		---		---		---		---		0.1		1.3		4.6		3.1		0.7		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		154.4		27.1		24.4		24.1		15.6		4.1		0.3		---		---		1.7		9.5		20.9		26.7

Average Snowfall

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		141.7		15.5		19.8		28.7		30.7		4.6		0.5		---		---		1.5		8.4		15.8		16.3

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.7		3.7		3.7		3.7		3.1		0.6		---		---		---		0.3		1.4		2.8		3.4

NEARBY - MAP

NEARBY - LIST

Harney, South Dakota (2 mi / 3 km)
Hill City, South Dakota (7 mi / 12 km)
Stockade Lake, South Dakota (9 mi / 15 km)
Pringle, South Dakota (10 mi / 16 km)
Nemo, South Dakota (12 mi / 20 km)

GEOBA.SE

Keystone, South Dakota