MONTREAL, QUEBEC

Average Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.5		-8.6		-6.7		-1.3		7.2		14.2		19.1		22.4		20.8		15.9		9.3		2.5		-5.3

Average High Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.5		-4.7		-2.9		2.6		11.5		18.8		23.5		26.8		25.1		20		12.9		5.5		-1.7

Average Low Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.4		-12.4		-10.5		-5.3		2.9		9.6		14.6		17.9		16.4		11.7		5.8		-0.5		-8.9

Highest Recorded Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		35.6		10.6		15		22		30		32.8		34.5		35		35.6		32.2		27.8		21.1		15

Lowest Recorded Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-30		-30		-29.4		-27		-12.5		-2.8		4		7.5		4.5		0.5		-5		-15		-28

Average Number of Days Above 95F/35C

Years on Record: 11

ANNUAL

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

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Average Number of Days Above 90F/32C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		---		---		---		---		---		---		1		1		---		---		---		---

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		9.1		---		---		---		---		0.3		1.9		4.4		2.3		0.3		---		---		---

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		111.8		---		---		0.1		2.5		12.4		23.6		29.9		27.6		13.8		1.8		---		---

Average Number of Days Above 65F/18C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		125		---		---		---		3		15		26		30		30		16		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		197.4		0.1		0.1		2.8		16		29.7		30		31		31		29.5		20.9		5.6		0.7

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		290		8.6		8.9		20.6		29.6		31		30		31		31		30		31		25.1		13.2

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		159.4		30.8		27.8		27.7		13.4		0.9		---		---		---		0.3		6.7		21.7		30

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		137.1		29.7		26.6		24.7		7.4		0.2		---		---		---		---		2.6		17.6		28.4

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		109.8		27.4		24.9		19		3.3		---		---		---		---		---		0.2		9.7		25.4

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		53.4		18.9		14.2		7.3		0.3		---		---		---		---		---		---		0.8		12

Average Number of Days Below 5F/-15C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40		15		11		4		---		---		---		---		---		---		---		---		9

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		8.4		4.7		1.5		0.3		---		---		---		---		---		---		---		---		1.9

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

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Average Precipitation

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1033.9		77.5		64.2		63.8		81.5		89.9		93.8		94.2		110.8		86.5		86.5		93.7		91.5

Most Precipitation Reported in a Day

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		103		40		52.8		43.2		45.6		48.8		59.4		103		61.6		76.2		43.8		45		48

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		168.2		16.8		13.1		11.6		12.4		15.3		13.9		12.6		13.4		12.6		15.9		15.3		15.4

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		63.7		4.6		3.6		4.6		5.6		5.3		5.7		6		6.1		4.7		5.6		5.8		6.1

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		35.4		2.1		2.3		2.3		2.8		3.2		3.6		3.2		3.6		3		3		3.3		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		5.3		0.4		0.2		0.2		0.3		0.4		0.6		0.5		0.9		0.6		0.3		0.7		0.5

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		3.1		3.4		7.2		11.7		15.3		13.9		12.6		13.4		12.6		15.6		11.7		4.6

Average Rainfall

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		844		23.6		24		38.4		77.2		89.9		93.7		94.2		110.8		86.5		85.5		77.1		43.1

Average Number of Days With Thunderstorms

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23		---		---		---		1		2		5		6		6		2		1		---		---

Most Rain Reported in a Day

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		103		26.8		52.8		42.7		45.6		48.8		59.4		103		61.6		76.2		43.8		45		48

Most Rain Reported in a Month

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1210		120		170		160		140		170		210		180		170		220		140		190		150

Least Recorded Rainfall

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		740		10		---		10		20		10		10		30		---		10		10		40		20

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		51.4		1.4		1.3		2.8		5.3		5.3		5.7		6		6.1		4.7		5.5		4.9		2.6

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		29.6		0.8		0.9		1.2		2.6		3.2		3.6		3.2		3.6		3		3		2.9		1.6

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		4.7		0.2		0.1		0.2		0.3		0.4		0.6		0.5		0.9		0.6		0.3		0.6		0.2

Average Snowfall

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		189.9		53.9		40.2		25.4		4.3		---		---		---		---		---		0.9		16.7		48.4

Average Snow Cover

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		3.5		12.1		15.9		10.3		0.1		---		---		---		---		---		---		0.1		3.8

Average Snow Cover at Month End

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		3.4		16		14.5		0.2		---		---		---		---		---		---		---		0.1		10.5

Deepest Snow Cover Reported

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		100		73		80		100		3		---		---		---		---		---		---		2		60

Most Snow Reported in a Day

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		42.2		40		35.6		23.6		42.2		0.8		0.4		---		---		---		6.4		25.8		38.9

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		49.8		14.8		10.9		5.6		1.7		---		0.1		---		---		---		0.4		4.4		12

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		12.6		3.4		2.5		1.7		0.2		---		---		---		---		---		0.1		1		3.8

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		5.4		1.3		1.3		0.9		0.1		---		---		---		---		---		---		0.5		1.5

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		0.4		0.2		---		---		---		---		---		---		---		---		---		0.1		0.1

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		102.6		27.8		28.2		23.7		0.9		---		---		---		---		---		---		2.8		19.1

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		46.7		11.5		18.1		12.9		---		---		---		---		---		---		---		---		4.2

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		23.3		7		7.7		5.8		---		---		---		---		---		---		---		---		2.7

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		19.1		6.2		5.6		5.1		---		---		---		---		---		---		---		---		2.3

Average Morning Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		77		74		74		74		72		72		75		77		82		85		84		81		78

Average Evening Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		62		69		64		61		55		53		56		56		59		63		64		71		72

Average Dew Point

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1		-13		-12		-7		---		6		11		15		14		10		3		-2		-10

Heating Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5129.1		878.3		753.3		637.2		366.7		155		8.3		---		---		116.7		318.6		500		775

Cooling Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		129.2		---		---		---		---		---		---		86.1		43.1		---		---		---		---

Growing Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1124.1		---		---		---		---		103.3		241.7		344.4		301.4		133.3		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.8		11		12.5		14.1		15.5		16.2		15.8		14.6		13		11.4		10		9.3

Average Number of Days With Fog

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		120		9		7		9		9		10		10		10		12		11		11		12		10

Average Wind Speed

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		16		19		17		19		17		16		14		14		12		14		16		17		17

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.7		5.7		9.1		13		16.1		18.4		20.2		19.9		17.7		13.6		8.6		5.2		4.6

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		2.2		3.1		4.8		6.7		8.2		8.8		8.4		7.1		5.5		3.8		2.6		1.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.7		11.7		15.1		17.4		16.7		16.9		17.6		17.7		17.5		15.7		11.9		8.8		9.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		11.9		15.6		17.3		16.6		16.7		18.2		18.5		18		15.7		11.4		8.4		9.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.7		5.7		9.1		13		16.1		18.4		20.2		19.9		17.7		13.6		8.6		5.2		4.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.3		3.4		5		6.9		8.4		9		8.6		7.4		5.7		3.9		2.6		2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		14.2		17		22		20.4		20.2		20.9		19.4		20		18.1		14.9		11.6		13.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		15.1		18.2		23.8		23.1		23.4		26		22.2		22.8		19.4		15.3		11.9		15.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.4		4.9		7.2		11.6		12.8		14.2		16.4		18.2		14.7		11		6.1		4.5		3.5

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		2.9		4.1		6		7.6		8		8.1		6.7		5.2		3.7		2.5		1.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.5		9.2		10.9		14.5		13		13		14.4		16.2		14.3		12.1		7.5		7.1		6.1

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		8.7		9.9		13.7		10.5		9.8		11.9		15.4		12.4		10.2		5.7		6.3		5.8