DURHAM, ONTARIO

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Elevation: 384 meters Latitude: 44 10N Longitude: 080 49W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

05:53 am

08:45 pm
Local Time
9:23 am EDT
17 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.6		-7.1		-6.2		-1.9		5.6		12		17		19.6		18.9		14.7		8.3		2		-3.8

Average High Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.3		-3.3		-2		2.8		10.6		17.7		22.7		25.2		24.2		19.6		12.8		5.4		-0.5

Average Low Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.9		-10.8		-10.4		-6.5		0.5		6.4		11.2		13.9		13.4		9.7		3.8		-1.4		-7.1

Highest Recorded Temperature

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.8		15.6		15.5		23.3		29		33.3		33.9		37.8		36		35		29.4		22.2		18

Lowest Recorded Temperature

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-35.6		-35.6		-34.4		-32.5		-20		-6.1		-3.3		-1.1		-1.1		-4		-11.1		-20		-30

Average Number of Days Above 95F/35C

Years on Record: 22

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

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.1		---		---		---		---		0.2		1.3		2.2		1.3		0.1		---		---		---

Average Number of Days Above 86F/30C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.8		---		---		---		---		0.1		1.4		2.4		1.6		0.3		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		104.9		---		---		0.3		2.6		11.1		20.7		28		26.3		13.3		2.6		0.1		---

Average Number of Days Above 50F/10C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		196.3		0.1		0.4		4.1		15		28.2		29.9		31		31		29		20.2		6.3		1.3

Average Number of Days Above 32F/0C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		288.3		7.8		10.5		19.7		28.3		31		30		31		31		30		31		24		14

Average Number of Days Below 35F/2C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		184.6		30.7		27.6		28.8		20.1		7.2		0.6		---		0.1		2.1		13.4		24.2		30

Average Number of Days Below 32F/0C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		163		30.1		26.6		27.2		16		3.8		0.1		---		0.1		0.6		8.3		21.1		29.1

Average Number of Days Below 28F/-2C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		120.9		27.8		23.9		21.9		8.8		0.7		---		---		---		0.1		1.9		12.2		23.8

Average Number of Days Below 10F/-12C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		47.9		15.4		13.6		8.2		0.3		---		---		---		---		---		---		1.3		9.2

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.3		3.3		2.4		0.9		---		---		---		---		---		---		---		---		0.7

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

Years on Record: 22

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

PRECIPITATION

Average Precipitation

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1118.5		103.1		78.5		71		73.9		93.9		85		83.7		102.2		114.7		94.2		117.4		101

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		140.2		14.7		11.4		10.4		10.8		10.6		10.3		9.2		10.2		11.9		12.9		14.3		13.5

Most Precipitation Reported in a Day

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		85.9		55.9		54.2		66		51.3		54.7		85.9		69.3		73.9		85.5		78.5		59.9		76.2

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		153.5		15.9		12.3		11.5		11.7		11.8		11.2		9.8		10.7		13.2		14.8		15.6		15

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		73.6		7.6		6.1		5		5.2		5.7		4.8		4.8		5.4		6.7		6.4		8.2		7.6

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38.7		3.4		2.7		2.6		2.4		3.1		2.9		2.9		3.5		4		3		4.3		3.9

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.6		0.4		0.3		0.2		0.3		0.7		0.6		0.9		1.1		0.9		0.4		0.7		0.2

PRECIPITATION - RAIN

Average Rainfall

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		823.6		22		23.2		36.7		65.2		93.5		85		83.7		102.2		114.7		91.4		74.7		31.4

Average Number of Rainy Days

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		109		3.3		3		5.3		10.1		11.7		11.2		9.8		10.7		13.2		14.5		10.8		5.3

Most Rain Reported in a Day

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		85.9		50.8		47.2		47		51.3		54.7		85.9		69.3		73.9		85.5		78.5		59.9		76.2

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		51.1		1.6		1.6		2.7		4.4		5.7		4.8		4.8		5.4		6.7		6.3		5.1		2.2

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27.5		0.6		0.7		1.2		2.1		3.1		2.9		2.9		3.5		4		2.9		2.6		0.9

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.6		0.1		0.2		0.1		0.3		0.7		0.6		0.9		1.1		0.9		0.4		0.4		0.1

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		294.9		81.1		55.3		34.3		8.7		0.4		---		---		---		---		2.7		42.7		69.6

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		46.2		12.4		9.2		6.2		2.2		0.2		---		---		---		---		0.7		5.6		9.8

Average Snow Cover

Years on Record: 1

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		---		32.6		30.2		---		---		---		---		---		---		---		---		---		---

Average Snow Cover at Month End

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		7.3		28.6		22.8		5.6		---		---		---		---		---		---		0.1		8.6		21.6

Deepest Snow Cover Reported

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		70		66		65		70		14		2		---		---		---		---		19		38		59

Most Snow Reported in a Day

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		66		55.9		35.6		66		20		8.1		---		---		---		5.1		21		30.5		38.1

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		50.8		13.5		10		7.1		2.4		0.1		---		---		---		---		0.7		5.8		11.1

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21.9		6		4.6		2.2		0.7		---		---		---		---		---		0.2		3.2		5.1

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10.2		2.6		1.9		1		0.2		---		---		---		---		---		---		1.7		2.8

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.7		0.3		---		0.1		---		---		---		---		---		---		---		0.2		0.1

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2454.7		441		382.9		352.3		213.4		101.8		40.3		12.1		18.8		69.3		172.7		269.7		380.3

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		99.8		---		---		---		0.9		7.1		18.8		36.6		28.1		8		0.3		---		---

Growing Degree Days

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		817.3		---		---		---		---		17.2		166.7		275.6		241.1		116.7		---		---		---

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		13		5.4		8.6		12		15.8		19.5		21.8		21.6		18.4		14.3		9		5		4.4

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		3.4		5.1		6.8		8.1		8.6		8.1		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		14.5		10.2		13.4		15.1		16.3		17.9		18.9		19.2		18.1		16.6		12.5		8		7.8

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		9.9		13.3		14.2		15.6		18.4		20.9		21.5		19		16.9		11.9		7.3		8.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13		5.4		8.6		12		15.8		19.5		21.8		21.6		18.4		14.3		9		5		4.4

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		7.5		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		17.6		12.7		16.5		20.1		21		20		21.6		21.9		20.8		21.4		16.2		9.3		10.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.1		13		17.8		22		24		22.7		27.1		27.5		24.1		25		17.1		9		11.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.5		4.5		7.1		10.1		13		15.4		17.4		16.7		15.6		10.7		7.7		4		3.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.2		3.1		4.4		6		7.7		7.8		7.3		6.5		4.5		3.7		2.5		2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		7.8		10.1		12.1		13.1		14.1		15.2		14.9		15.2		11.6		10.1		5.8		5.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.7		7		9.2		10		10.6		11.4		13.2		12.8		13.7		9.3		8.8		4.7		5.4

NEARBY - MAP

NEARBY - LIST

Priceville, Ontario (9 mi / 15 km)
Hanover, Ontario (10 mi / 16 km)
Chatsworth, Ontario (14 mi / 23 km)
Mount Forest, Ontario (14 mi / 22 km)
Proton Station, Ontario (15 mi / 24 km)

GEOBA.SE

Durham, Ontario