ALLISTON NELSON, ONTARIO

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Elevation: 221 meters Latitude: 44 09N Longitude: 79 52W

WEATHER

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Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

05:49 am

08:41 pm
Local Time
5:07 pm EDT
17 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.7		-6.5		-5.2		-0.7		6.7		13.1		18.4		21		20		15.9		9.2		3.1		-2.9

Average High Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.7		-2.5		-0.8		4.1		11.9		19.1		24.4		27		25.9		21.5		14.1		6.7		0.5

Average Low Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.7		-10.5		-9.6		-5.5		1.3		7		12.4		15		14.1		10.1		4.3		-0.5		-6.2

Highest Recorded Temperature

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37		15.5		15.5		24.5		30.5		34.5		35.5		36.5		37		35		30.5		22.5		20

Lowest Recorded Temperature

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-35		-35		-34		-28.5		-12.5		-3		1		4.5		2.5		-3.5		-6		-19		-32

Average Number of Days Above 95F/35C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.3		---		---		---		---		---		---		0.2		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		12.6		---		---		---		---		0.9		2.7		5.5		2.8		0.6		---		---		---

Average Number of Days Above 86F/30C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.8		---		---		---		---		0.6		3.5		6		3.5		1.1		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		122		---		---		0.5		3.7		13.2		24.1		29.8		28.4		17.9		4.2		0.2		---

Average Number of Days Above 50F/10C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		205.2		0.4		0.5		5		17.1		29.2		29.9		31		31		29.8		22.9		7.5		1.1

Average Number of Days Above 32F/0C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		305		11.3		13.3		22.5		29.3		31		30		31		31		30		31		27.2		17.4

Average Number of Days Below 35F/2C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		177.1		30.5		27.6		28.9		18.7		6		0.2		---		---		1.1		12.1		22.4		29.8

Average Number of Days Below 32F/0C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		148.8		29		26.1		26		14.1		2.8		---		---		---		0.4		6.8		17.4		26.3

Average Number of Days Below 28F/-2C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		107.4		26		23.1		20.4		6.2		---		---		---		---		---		1.6		9.3		20.8

Average Number of Days Below 10F/-12C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42.7		14.8		13		6.1		0.2		---		---		---		---		---		---		0.8		7.8

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.1		3.8		2		0.4		---		---		---		---		---		---		---		---		0.9

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

Years on Record: 26

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

PRECIPITATION

Average Precipitation

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		834.4		53.9		49.5		53.8		63.6		78.3		81		77.6		82.3		80.1		71.3		81.6		61.3

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		148.3		15.6		10.4		12		12		11.2		10.9		10.5		11.4		12.3		12.6		14		15.4

Most Precipitation Reported in a Day

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		94.7		23.8		31		43		38		50		68.8		94.7		63		74.6		46.6		49		35

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		154.6		16.7		11.7		12		12.5		12.3		10.8		10.9		11.5		12		13.7		15		15.5

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53		3.6		3.4		3.7		4		5.3		4.7		4.3		5		4.8		4.6		5.3		4.5

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.2		1.3		1.4		1.6		2.2		2.4		2.8		2.6		2.8		2.7		2.2		2.7		1.6

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.1		---		0.2		0.1		0.4		0.5		0.6		0.6		0.7		0.4		0.3		0.4		---

PRECIPITATION - RAIN

Average Rainfall

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		682.1		18.8		19.7		30.4		59.4		78.3		81		77.6		82.3		80.1		66.8		62.5		25

Average Number of Rainy Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		114.5		4.2		3.9		6.5		11.5		12.3		10.8		10.9		11.5		12		13.4		11.3		6.4

Most Rain Reported in a Day

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		94.7		23.8		24.6		43		33.4		50		68.8		94.7		63		74.6		46.6		39		32.2

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42.9		1.4		1.5		2.2		3.8		5.3		4.7		4.3		5		4.8		4.2		4		1.9

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.2		0.6		0.7		0.9		2		2.4		2.8		2.6		2.8		2.7		1.9		2.1		0.7

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.7		---		---		---		0.4		0.5		0.6		0.6		0.7		0.4		0.2		0.3		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		152.3		35.1		29.7		23.4		4.1		---		---		---		---		---		4.5		19.1		36.3

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		45.9		12.8		8.1		6.7		1.7		0.2		---		---		---		---		0.9		4.6		11

Average Snow Cover

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		4.3		14.3		18.5		9.6		0.3		---		---		---		---		---		0.1		1.3		7.6

Average Snow Cover at Month End

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		3.9		17.7		15.6		1.1		---		---		---		---		---		---		---		2.5		9.7

Deepest Snow Cover Reported

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		57		47		54		57		24		---		---		---		---		---		30		35		43

Most Snow Reported in a Day

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		35		18		31		19.8		27.9		4.8		---		---		---		---		30		34		35

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		47.3		13.6		9.2		6.7		1.8		---		---		---		---		---		0.7		5		10.4

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10.1		2.2		1.8		1.5		0.3		---		---		---		---		---		0.4		1.3		2.6

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.4		0.6		0.6		0.6		---		---		---		---		---		---		0.2		0.6		0.9

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

Years on Record: 26

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

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		98.3		26.4		25.6		16.4		1.9		---		---		---		---		---		0.5		6.3		21.2

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		81.9		22.8		24.1		13.7		0.8		---		---		---		---		---		0.3		3.9		16.3

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		62.4		18.5		21.4		11.4		0.1		---		---		---		---		---		0.1		1.3		9.7

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.3		9		12.2		6.8		---		---		---		---		---		---		---		0.3		3

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2283.6		426.2		373.8		324.6		193.8		89.7		26.7		5.2		10.6		54.4		157.1		253.8		367.7

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		141.5		---		---		---		0.8		8.9		26.6		53.1		39.7		11.9		0.6		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1138.8		---		---		---		---		101.6		240		334.1		301.4		161.7		---		---		---

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		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

Angus, Ontario (7 mi / 11 km)
Borden, Ontario (8 mi / 14 km)
Cookstown, Ontario (9 mi / 15 km)
Essa, Ontario (14 mi / 22 km)
Ruskview, Ontario (14 mi / 23 km)

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Alliston Nelson, Ontario