WATERLOO AIRPORT, ONTARIO

Home > North America > Canada > Ontario
Elevation: 317 meters Latitude: 43 27N Longitude: 80 23W

WEATHER

Monthly - Summary

Nearby

Forecast

Monthly - All Data

Climate Summary

Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

05:53 am

08:42 pm
Local Time
1:58 am EDT
18 May, 2024

PRINT THIS DATA

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		7		-6.5		-5.5		-1		6.2		12.5		17.6		20		18.9		14.5		8.2		2.5		-3.3

Average High Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12		-2.6		-1.2		3.6		11.5		18.5		23.6		26		24.8		20.4		13.5		6.3		0.2

Average Low Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2		-10.3		-9.7		-5.6		0.8		6.4		11.5		14		12.9		8.6		2.9		-1.4		-6.8

Highest Recorded Temperature

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		36.5		14.2		13.7		24.4		29.2		32		36.1		36		36.5		33.3		29.4		21.7		18.7

Lowest Recorded Temperature

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-31.9		-31.9		-29.2		-25.4		-16.1		-3.9		-0.6		5		1.1		-3.7		-8.3		-15.4		-27.2

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		0.3		---		---		---		---		---		0.1		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		6.9		---		---		---		---		0.3		1.7		3		1.5		0.4		---		---		---

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		8.4		---		---		---		---		0.3		2.1		3.6		1.9		0.5		---		---		---

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		115.7		---		---		0.3		2.9		11.6		23.5		29.7		28.1		15.9		3.6		0.2		---

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		205.4		0.5		0.5		4.9		17.3		29.3		29.9		31		31		29.6		22.5		7.4		1.6

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		301.7		10.3		12.5		21.8		29.4		31		30		31		31		30		31		26.8		17

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		184.7		30.5		27.9		29.2		19.6		6.1		0.2		---		0.1		2.6		14.6		24.2		29.8

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		157.6		29.5		26.4		27		14.5		2.1		---		---		---		0.8		9.3		19.7		28.5

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		121.3		27.2		23.6		21.9		8.3		0.2		---		---		---		0.2		3.8		13.1		23.1

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		45.4		15.1		13.4		6.7		0.2		---		---		---		---		---		---		0.9		9.1

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		6		2.9		2		0.4		---		---		---		---		---		---		---		---		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		0.1		0.1		---		---		---		---		---		---		---		---		---		---		---

TEMPERATURE - WIND CHILL

Lowest Reported Wind Chill

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-40.5		-40.5		-37.1		-30.2		-20.6		-8.1		---		---		---		-4.1		-11.9		-22.2		-31.2

TEMPERATURE - HUMIDEX

Highest Reported Humidex

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		48.3		13.4		13		28		33.7		39.6		43.2		47.7		48.3		41.2		34.5		24.4		22.1

PRECIPITATION

Average Precipitation

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		916.5		65.2		54.9		61		74.5		82.3		82.4		98.6		83.9		87.8		67.4		87.1		71.2

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		164.4		18.3		14.3		14.2		13.4		12		11.7		10.4		11		11.5		13.3		16.1		18.1

Most Precipitation Reported in a Day

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		89.8		43		47		53.8		53.4		51.8		54.2		89.8		73.7		74.4		39.2		56		36.8

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		166		18.2		14.2		13.8		13.7		12.4		12		10.6		10.7		12.2		13.9		16.4		18.1

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55.1		4.3		3.2		4		4.5		5.2		5.2		5.1		4.4		5		4.5		5.3		4.5

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.2		1.5		1.6		1.8		2.3		2.9		3.1		3.4		2.8		2.8		2.4		2.5		2.1

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.1		0.1		0.2		0.3		0.3		0.5		0.4		1		0.8		0.7		0.1		0.5		0.4

PRECIPITATION - RAIN

Average Rainfall

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		776.8		28.7		29.7		36.8		68		81.8		82.4		98.6		83.9		87.8		66.1		75		38

Average Number of Rainy Days

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		118.7		5.6		5		6.9		11.5		12.4		12		10.6		10.7		12.2		13.7		11.6		6.9

Most Rain Reported in a Day

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		89.8		43		47		36.8		53.4		51.8		54.2		89.8		73.7		74.4		39.2		56		36.8

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		46.9		1.8		1.8		2.5		4.1		5.1		5.2		5.1		4.4		5		4.4		4.7		2.8

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.4		1		1		1.4		2.1		2.9		3.1		3.4		2.8		2.8		2.4		2.4		1.2

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.6		0.1		0.1		0.1		0.3		0.5		0.4		1		0.8		0.7		0.1		0.5		0.1

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		159.7		43.7		30.3		26.5		7.3		0.4		---		---		---		---		1.4		13		37.2

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		64.1		16.7		12.6		8.9		3.3		0.1		---		---		---		---		0.8		7.1		14.6

Average Snow Cover

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2.8		11.2		11.5		5.5		0.2		---		---		---		---		---		---		0.6		4.5

Average Snow Cover at Month End

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2.5		12		8.7		0.6		---		---		---		---		---		---		---		0.5		8.5

Deepest Snow Cover Reported

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		77		58		74		77		18		---		---		---		---		---		2		19		50

Most Snow Reported in a Day

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		22.9		16.8		17.8		21.2		22.9		6		---		---		---		---		6		16.6		22.4

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		62.2		16.1		11.9		9		3.3		0.2		---		---		---		---		0.9		6.5		14.4

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.6		2.5		1.8		1.9		0.4		0.1		---		---		---		---		0.1		0.7		2.3

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.5		0.6		0.5		0.6		0.1		---		---		---		---		---		---		0.1		0.6

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

Years on Record: 22

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: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		95.3		26.9		24.3		17.2		1.7		---		---		---		---		---		0.2		5.6		19.4

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59.8		20.6		17.5		9.7		0.4		---		---		---		---		---		---		1.1		10.5

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36.2		13.7		11.2		6.5		0.1		---		---		---		---		---		---		0.3		4.5

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

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.7		6.8		5.1		1.5		---		---		---		---		---		---		---		---		1.4

HUMIDITY

Average Morning Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		87.8		86.4		83.4		84.8		84.4		84.7		87		90.1		93.6		94.3		90.6		87.6		87.1

Average Evening Relative Humidity

Years on Record: 1

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		3.7		78.2		75.4		---		---		---		---		---		---		---		---		---		---

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2382.4		431.9		382.9		332.3		204.2		99.7		31.8		8.9		16.3		69.4		169.7		260.7		374.5

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		104.3		---		---		---		0.4		5.8		20.4		40		28.9		8.4		0.3		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		997.6		---		---		---		---		77.5		218.3		303.1		270.4		128.3		---		---		---

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		11.1		12.5		14		15.3		16		15.6		14.4		12.9		11.5		10.2		9.6

WIND

Average Wind Speed

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		12.6		15.2		14.3		14.9		14.6		12.3		10.4		9.6		8.5		9.8		11.7		14.5		14.8

Highest Reported Hourly Wind Speed

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		74		70		67		74		72		71		52		52		45		53		63		66		61

Highest Reported Wind Gust

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		120		113		113		120		98		106		89		111		98		89		96		100		96

Avg. # of Days w/Wind Above 32 mph/52 km/h

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.3		1.9		1.3		1.7		1.6		0.9		0.7		0.4		0.2		0.1		1.2		1.6		1.7

Avg. # of Days w/Wind Above 39 mph/63 km/h

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.8		0.7		0.4		0.7		0.7		0.2		0.2		0.1		---		---		0.4		0.8		0.7

Average Primary Wind Direction

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		270		270		270		270		315		315		315		315		315		315		270		270		225

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		12.9		5.5		8.6		12		15.7		18.6		21.1		21.1		18.2		14.4		9.6		5.6		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		5.4		2.5		3.6		5.2		7		8.3		8.7		8.3		7.2		5.6		4.1		2.8		2.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.4		10		12.9		14.6		16.1		17		18.4		18.8		17.9		16.4		13.1		8.8		8.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.3		9.6		12.6		13.6		15.2		16.5		19.4		20.3		18.2		16.4		12.6		8.3		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		12.9		5.5		8.6		12		15.7		18.6		21.1		21.1		18.2		14.4		9.6		5.6		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		5.6		2.5		3.7		5.3		7.1		8.5		9		8.7		7.5		5.9		4.2		2.8		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.1		11.6		15.4		18.2		19.7		20		21		20.6		20.4		19.8		16.2		10.6		11.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		11.6		15.9		19.1		21.3		22.4		25.5		24.2		23.1		22		16.9		10.7		11.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.6		4.7		7.4		9.5		13.4		15.2		16.9		17.3		16.5		11.3		7.9		3.9		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		5.1		2.5		3.4		4.8		6.4		7.8		8		7.8		6.7		5		3.8		2.5		2.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		7.7		10.2		10.8		13.5		13.9		14.8		15.4		16.1		12.2		10.2		5.3		5.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.6		6.8		9.4		8.5		10.9		10.9		12.3		13.6		15		10.1		8.6		4		4.8

NEARBY - MAP

NEARBY - LIST

Waterloo Welling, Ontario (0 mi / 0 km)
Preston, Ontario (3 mi / 6 km)
Preston - South, Ontario (4 mi / 7 km)
Waterloo, Ontario (7 mi / 11 km)
Cambridge - Galt Moe, Ontario (8 mi / 14 km)

GEOBA.SE

Waterloo Airport, Ontario