PORT LAW, ONTARIO

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Elevation: 495 meters Latitude: 44 15N Longitude: 80 28W

WEATHER

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

05:51 am

08:44 pm
Local Time
10:52 am EDT
17 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.4		-8.3		-7.1		-3.4		4.1		10.6		16.4		18.2		17.4		14		7.2		1		-4.9

Average High Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.3		-4.5		-2.5		1.4		9.5		16.2		22		24		23.2		19.5		11.7		4.5		-1.6

Average Low Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.6		-12.1		-11.6		-8.1		-1.3		5		10.7		12.4		11.7		8.5		2.7		-2.5		-8.3

Highest Recorded Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		32.5		11.5		15		22		27		31		31.5		32		32.5		31.5		27		18		15

Lowest Recorded Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-34.5		-34.5		-32		-33.5		-14		-5		-0.5		3.5		2		-4		-7		-19		-30

Average Number of Days Above 95F/35C

Years on Record: 11

ANNUAL

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Days

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Average Number of Days Above 86F/30C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.5		---		---		---		---		0.2		0.4		1.1		0.7		0.2		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		98.5		---		---		0.2		1.6		7.7		20.1		26.6		25.1		13.9		3.3		---		---

Average Number of Days Above 50F/10C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		187.3		0.1		0.2		3.3		13.6		25.8		30		31		31		29.1		16.9		5.6		0.8

Average Number of Days Above 32F/0C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		275		6.6		8.9		15.3		27.3		31		30		31		31		30		30.6		22.8		10.5

Average Number of Days Below 35F/2C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		199.6		30.8		28.1		29.5		24		10.1		1.6		---		0.2		3.2		16.3		25.6		30.3

Average Number of Days Below 32F/0C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		176.5		29.9		27.6		28.3		20.1		6.2		0.3		---		---		1.4		11.2		22.1		29.5

Average Number of Days Below 28F/-2C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		137.4		28.4		25.9		24.9		12.7		1.7		---		---		---		0.2		3.7		14.5		25.3

Average Number of Days Below 10F/-12C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		57.4		17.7		14.7		11.2		0.8		---		---		---		---		---		---		2.1		10.8

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10.4		4.6		3.5		1.5		---		---		---		---		---		---		---		---		0.9

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.6		0.3		0.3		0.1		---		---		---		---		---		---		---		---		---

PRECIPITATION

Average Precipitation

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1185.9		136.3		105.2		94.4		64.7		94.6		96.4		81.9		84.8		91.1		91.7		117.8		127.2

Most Precipitation Reported in a Day

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		87.6		41.6		82		26.4		29		46.8		87.6		74		43.6		45.4		45		38.5		58

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		188.9		20.2		17.1		15.9		13.8		14.5		12.7		11.9		11.5		13.2		17.6		19.8		20.8

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78.8		10.6		7.4		7.2		4.4		6		4.5		4.5		4.9		5.7		5.9		8		9.8

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38.9		4.8		3.2		3.7		1.6		3.1		2.6		2.5		3.4		3.3		2.4		4		4.3

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.7		0.5		0.6		0.1		0.3		0.6		0.8		0.6		0.8		0.4		0.4		0.4		0.3

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		125.4		5.1		4.6		5.5		10.7		14.4		12.7		11.9		11.5		13.2		16.7		12.8		6.3

PRECIPITATION - RAIN

Average Rainfall

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		762.4		35		26.1		35.2		47.2		94.3		96.4		81.9		84.8		91.1		81.8		61.8		26.9

Most Rain Reported in a Day

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		87.6		41.6		70		23.6		29		46.8		87.6		74		43.6		45.4		45		35.8		22.8

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		46.1		2.2		1.3		2.5		3.3		6		4.5		4.5		4.9		5.7		5.2		4.3		2

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.3		1.4		0.8		1.3		1.3		3.1		2.6		2.5		3.4		3.3		2		1.9		0.8

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.4		0.2		0.3		---		0.2		0.6		0.8		0.6		0.8		0.4		0.4		0.2		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		423.5		101.3		79.2		59.2		17.4		0.3		---		---		---		---		9.8		56		100.3

Average Snow Cover

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		7.1		22.2		23.5		20.1		1.8		---		---		---		---		---		0.4		3.5		14

Average Snow Cover at Month End

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		6.4		22.1		23.3		6.7		---		---		---		---		---		---		0.1		6.1		17.9

Deepest Snow Cover Reported

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		70		68		60		70		45		---		---		---		---		---		14		35		70

Most Snow Reported in a Day

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		58		33		37		20		25		2		---		---		---		---		14		28		58

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76		16.7		14.6		11.7		4.6		0.3		---		---		---		---		2.2		9.5		16.4

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.7		8.2		5.8		4.6		1		---		---		---		---		---		0.7		3.8		7.7

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.9		3.2		2.5		2.3		0.4		---		---		---		---		---		0.3		2.1		3.3

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1		0.3		0.2		---		0.1		---		---		---		---		---		---		0.2		0.3

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		135.1		30		28.1		26.9		8.4		---		---		---		---		---		2.3		13.1		26.3

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112.2		27.5		27		23.7		3.6		---		---		---		---		---		1.3		7.2		22.1

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		87.6		22.7		23.3		19.4		1.2		---		---		---		---		---		0.4		4		16.6

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

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		51.9		14.6		14.6		13.2		0.8		---		---		---		---		---		---		0.6		8.2

DEGREE DAYS

Heating Degree Days

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4689.8		825.5		718.4		673.6		426.9		239.6		57.9		4		28.8		129.9		345		519.9		720.1

Growing Degree Days

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		814.2		---		---		---		---		18.6		192		254.2		229.4		120		---		---		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.9		11		12.5		14		15.4		16.1		15.7		14.5		13		11.4		10.1		9.5

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		12.6		4.9		7.8		11.3		15.7		19.1		21.4		21.1		18.3		14.1		9		5.1		4.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.4		3.5		5.1		6.8		8.2		8.6		8.2		7.1		5.5		4		2.6		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		13.9		8.8		11.8		13.9		16.2		17.5		18.6		18.8		18		16.2		12.4		8.1		7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		8.1		11.1		12.5		15.4		17.6		20.2		20.6		18.8		16.3		11.8		7.5		7.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		4.9		7.8		11.3		15.7		19.1		21.4		21.1		18.3		14.1		9		5.1		4.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		2.4		3.5		5.2		7		8.4		9		8.7		7.4		5.8		4.1		2.7		2.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		10.3		13.7		18.6		20.3		19.8		21		21		20.3		21.4		15.9		9.7		8.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		9.9		13.9		19.6		22.8		22.3		25.7		25.5		23.1		24.9		16.6		9.6		9.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.3		3.8		7		9.1		13		15.1		16.6		17.8		16.3		11		7.5		3.6		3.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		2.3		3.4		4.6		6.2		7.7		8		7.6		6.6		4.5		3.7		2.4		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.9		6		9.8		10.4		13.1		13.8		14.5		15.8		15.9		11.9		9.7		5		4.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.2		4.9		8.8		8.1		10.6		10.9		12		14.5		14.9		9.9		8.2		3.8		4.1

NEARBY - MAP

NEARBY - LIST

Proton Station, Ontario (6 mi / 10 km)
Priceville, Ontario (8 mi / 14 km)
Ruskview, Ontario (16 mi / 26 km)
Temple Hill, Ontario (17 mi / 27 km)
Durham, Ontario (18 mi / 29 km)

GEOBA.SE

Port Law, Ontario