SLAVE LAKE - SOUTH, ALBERTA

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Elevation: 583 meters Latitude: 55 17N Longitude: 114 47W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

05:33 am

09:37 pm
Local Time
5:51 am MDT
12 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.9		-14.3		-9.7		-5.8		2.8		8.7		13.7		16.4		14.9		10		3.2		-5.5		-11.5

Average High Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.3		-9.3		-3.8		-0.3		8.7		15		19.4		21.9		20.6		15.7		8.1		-1.3		-6.6

Average Low Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-3.5		-19.2		-15.6		-11.3		-3.1		2.4		7.9		10.9		9.1		4.4		-1.7		-9.8		-16.4

Highest Recorded Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		34.9		16.3		12.3		13.7		25.1		31.2		31.8		32.4		34.9		29.6		24.6		15.9		14.4

Lowest Recorded Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-44		-44		-41.1		-42.5		-25.4		-9.4		-0.3		1.3		1.3		-6.2		-17.7		-33.1		-39.2

Average Number of Days Above 95F/35C

Years on Record: 13

ANNUAL

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Days

---

Average Number of Days Above 86F/30C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.3		---		---		---		---		0.1		0.2		0.6		0.5		---		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65.2		---		---		---		0.8		6		13		21.4		17.6		6		0.5		---		---

Average Number of Days Above 50F/10C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		169.9		0.2		0.2		1.2		12.6		25.4		29.5		31		31		25.8		11.3		1.2		0.5

Average Number of Days Above 32F/0C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		263.8		5.5		9.6		17.2		27.3		30.8		30		31		31		30		28.9		14.4		8.1

Average Number of Days Below 35F/2C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		229.3		31		28.2		30.8		27.9		14.3		0.9		0.3		0.4		8.8		26.2		29.9		30.9

Average Number of Days Below 32F/0C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		204.7		30.9		28.2		30.2		22.7		8.6		0.3		---		---		4		19.9		29.2		30.8

Average Number of Days Below 28F/-2C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		177.7		30.5		28		27.9		15.2		4.4		---		---		---		1.4		12.7		27.4		30.2

Average Number of Days Below 10F/-12C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		103.5		26.2		22.4		14.5		2.5		---		---		---		---		---		1.2		12.6		24.2

Average Number of Days Below -4F/-20C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37.1		12.8		6.5		5.4		0.2		---		---		---		---		---		---		2.4		9.9

Average Number of Days Below -22F/-30C

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.2		4.2		0.8		1.1		---		---		---		---		---		---		---		0.3		1.9

TEMPERATURE - WIND CHILL

Avg. # of Days w/Wind Chill Below -4F/-20C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		70.1		20.8		13		9.7		1.4		---		---		---		---		---		0.3		6.3		18.5

Av. # of Days w/Wind Chill Below -22F/-30C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.3		11.6		4.1		4.2		0.1		---		---		---		---		---		---		1.3		7.1

Av. # of Days w/Wind Chill Below -40F/-40C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.4		3.8		0.5		0.5		---		---		---		---		---		---		---		---		1.7

Lowest Reported Wind Chill

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-53.5		-53.5		-49.2		-51.5		-31		-17.2		---		---		---		-10.1		-23.3		-38.6		-49.3

TEMPERATURE - HUMIDEX

Average No. Days w/Humidex Above 104F/40C

Years on Record: 12

ANNUAL

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Days

---

Average No. Days w/Humidex Above 95F/35C

Years on Record: 12

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

Average No. Days w/Humidex Above 86F/30C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.3		---		---		---		---		0.1		0.3		2.5		2.4		0.1		---		---		---

Highest Reported Humidex

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.8		15.1		12		12.8		22.5		30.6		32.9		35		37.8		30.7		24.4		15.7		13.9

PRECIPITATION

Average Precipitation

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		411.5		15.7		10.2		15.9		22.3		43.1		77.5		71.1		60.2		41.8		25.3		16.3		12.2

Most Precipitation Reported in a Day

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		62.5		13		5.3		16		17		45.5		54		57.2		53.5		62.5		13.6		8.6		7.5

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		127.8		10.1		8.6		9.3		9.6		12.2		14.7		13.1		12.1		10.4		10.6		9.2		8

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.3		0.5		0.2		0.5		1.4		2.5		4.9		4.3		3.1		2.8		1.3		0.6		0.2

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.8		0.1		---		0.1		0.5		0.9		2.2		2.2		1.4		0.9		0.5		---		---

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.8		---		---		---		---		0.2		0.6		0.4		0.4		0.1		---		---		---

Avg. No. of Days w/Rain Above 0.1in/2mm

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		79.2		0.5		0.3		0.9		6.8		11.5		14.7		13.1		12.1		10.4		7.7		0.9		0.3

PRECIPITATION - RAIN

Average Rainfall

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		330.2		1.1		0.7		1.8		13.6		41.5		77.5		71.1		60.2		41.8		17.9		1.9		1.1

Most Rain Reported in a Day

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		62.5		5.4		5.3		6		14.5		45.5		54		57.2		53.5		62.5		13		7.5		7.5

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.1		0.1		0.1		0.1		1		2.5		4.9		4.3		3.1		2.8		1.1		0.1		0.1

Avg. No. of Days w/Rain Above 0.4in/10mm

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.3		---		---		---		0.3		0.9		2.2		2.2		1.4		0.9		0.4		---		---

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.8		---		---		---		---		0.2		0.6		0.4		0.4		0.1		---		---		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		84.5		15.7		10.6		15		8.7		1.6		---		---		---		---		7.4		14.4		11.1

Average Snow Cover

Years on Record: 1

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		7.8		28.8		27.3		24.7		---		---		---		---		---		---		---		2.9		9.5

Average Snow Cover at Month End

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		5.4		22.5		25.7		4.7		---		---		---		---		---		---		0.6		1		10

Deepest Snow Cover Reported

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		41		31		37		41		---		---		---		---		---		---		4		5		11

Most Snow Reported in a Day

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		16		13		6		16		16		5.4		---		---		---		---		11.5		8.6		5

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		50.6		9.6		8.4		8.6		3.3		0.9		---		---		---		---		3.7		8.2		7.8

Avg. No. of Days w/Snowfall Above 2in/5cm

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.2		0.4		0.2		0.4		0.4		0.1		---		---		---		---		0.2		0.5		0.1

Avg. No. of Days w/Snow Above 3.9in/10cm

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.6		0.2		---		0.2		0.2		---		---		---		---		---		0.1		---		---

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 13

ANNUAL

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Days

---

Av. # of Days w/Snow Depth Above 0.4in/10mm

Years on Record: 1

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		151		31		28		31		---		---		---		---		---		---		---		30		31

Avg. # of Days w/Snow Depth Above 2in/5cm

Years on Record: 1

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		122		31		28		31		---		---		---		---		---		---		---		1		31

Av. # of Days w/Snow Depth Above 3.9in/10cm

Years on Record: 1

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		100		31		28		26		---		---		---		---		---		---		---		---		15

Av. # of Days w/Snow Depth Above 7.8in/20cm

Years on Record: 1

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		84		31		28		25		---		---		---		---		---		---		---		---		---

HUMIDITY

Average Morning Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78.9		74.6		77.4		74.8		72.8		73.5		79.9		83.9		87.7		85		80.7		79.4		77.3

Average Evening Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		61.2		69.9		64.3		58.7		51.1		49.3		56.1		61.5		60.1		59.8		61.7		70		72.3

DEGREE DAYS

Heating Degree Days

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6819		1011.5		873.8		868.9		882.9		679.8		723.9		481.4		462.8		252.9		298.5		138.9		143.5

Growing Degree Days

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		225.7		---		---		---		---		---		---		---		---		---		---		111		114.7

BAROMETER

Average Sea Level Pressure

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1014.9		1016.4		1018.2		1015.9		1014.3		1013.2		1012		1013.6		1014.4		1015.8		1013.9		1014.4		1017.2

Average Station Pressure

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		944.7		944.2		946		944.8		944.3		944.1		943.6		945.4		946		946.5		943.9		942.9		944.9

Average Vapor Pressure

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		6.3		2.4		2.6		3.6		4.8		7		10.3		12.7		12.4		8.6		5.7		3.3		2.4

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13		8.6		10.4		12.6		14.9		17.1		18.3		17.6		15.6		13.3		11		9		8

Avg. No. of Days Visibility Above 5.5m/9km

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		---		585		608.7		686.5		672.7		---		---		---		---		---		---		---		---

Avg. No. of Days Visibility Below 5.5m/9km

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		---		150		68		49.5		41.3		---		---		---		---		---		---		---		---

Avg. No. of Days Visibility Below 0.6m/1km

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		---		9		3.3		8		6		---		---		---		---		---		---		---		---

WIND

Average Wind Speed

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		13		13.2		12.3		13.8		12.8		12.7		12.3		12.6		11.7		13.2		13.8		13.1		14

Highest Reported Hourly Wind Speed

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		74		74		70		70		56		69		48		57		61		67		67		67		72

Average Primary Wind Direction

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		90		90		90		90		315		315		315		270		270		270		90		90		90

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		11.6		2.6		5.6		10.8		16.5		20		21.2		20.6		17.8		11.9		6.8		3.4		1.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		1.7		3.3		5.6		7.4		9.2		9.9		9.7		8		5.9		3.8		2.2		1.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		5.7		10		15.6		18.3		18.4		18.3		18.2		18.1		14.7		10.4		6.9		4.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		4.9		8.5		13.6		18.9		19.9		20.3		19.9		19.1		14.1		9.6		6.1		3.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.6		2.6		5.6		10.8		16.5		20		21.2		20.6		17.8		11.9		6.8		3.4		1.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		1.9		3.6		6		7.7		9.4		10		9.8		8.2		6.5		4.2		2.3		1.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		6.7		11.5		17.7		21.2		21.4		20.5		20.4		20.6		18.1		12.2		7.9		5.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.2		5.9		10		16.2		23		25.1		25		24.2		23.1		18.5		11.6		7.1		4.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.1		2.3		4.5		9		15.2		17.7		17.9		18.1		15.6		10		5.8		3		1.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		1.6		2.8		5.2		7.3		9.2		9.9		9.6		8		5.5		3.4		2		1.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		4.8		7.7		12.4		16.4		16.2		15.5		15.9		15.5		11.9		8.8		6		3.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.2		4		6.3		9.9		16.1		15.5		14.5		15.2		14.6		10.6		7.7		5.2		3.1

NEARBY - MAP

NEARBY - LIST

Slave Lake, Alberta (1 mi / 2 km)
Smith, Alberta (1 mi / 2 km)
Wagner, Alberta (9 mi / 14 km)
Kinuso, Alberta (25 mi / 40 km)
Cross Lake, Alberta (57 mi / 93 km)

GEOBA.SE

Slave Lake - South, Alberta