SARNIA, ONTARIO

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Elevation: 181 meters Latitude: 43 00N Longitude: 082 18W

WEATHER

Monthly - Summary

CURRENT CONDITIONS

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MONTHLY - WEATHER AVERAGES SUMMARY [ Show All Data ]

[ °F ] °C

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.1		-5.4		-4.4		0.7		6.5		12.7		18		20.9		20		16.1		9.9		3.9		-2.3

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.7		-1.7		-0.6		4.8		11.4		18.3		23.6		26.3		25.3		21.3		14.7		7.6		1.1

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.4		-8.9		-8.3		-3.5		1.5		6.9		12.4		15.5		14.8		10.7		5.1		0.2		-5.6

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		847		50		48		63		75		70		86		74		77		94		66		76		68

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		147.1		14.6		12.4		13		13.2		11.6		10.9		10.7		10.3		11.3		11.3		13.3		14.4

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39.1		15		19.4		25.6		31.2		32.9		39.1		37.3		37.9		34.4		29.4		23.3		18

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-28.9		-28.9		-26.9		-25.6		-10		-3		-1.1		6.1		1.2		-1.6		-8.9		-12.8		-23.6

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		14.1		---		---		---		---		0.9		3.4		5.8		3		0.9		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		137.7		28.9		25.4		24.3		11.6		0.9		---		---		---		0.1		3.5		16.1		26.8

Average Snowfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		125		31.6		26.3		19.3		5.4		---		---		---		---		---		1.8		10.2		30.3

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		111.8		4.4		4.6		7.9		11.6		11.6		10.9		10.7		10.3		11.3		11		10.6		6.9

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		44		11.6		9.1		6.9		2.4		---		---		---		---		---		0.5		3.7		9.9

Average Relative Humidity

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		73		77		76		74		70		69		70		69		72		74		74		76		78

Average Morning Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		86		83.8		83.5		84.2		83.6		83.9		86.3		89.3		91.6		89.7		85.8		84.9		85.2

Average Dew Point

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4		-7		-7		-3		2		7		13		16		15		12		6		---		-5

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		15.9		19.4		17.7		18.3		17.9		15.1		13.7		12		11.5		13.3		15.7		17.8		18.1

NEARBY - MAP

NEARBY - LIST

Marysville, Michigan (6 mi / 10 km)
Petrolia, Ontario (10 mi / 16 km)
Port Huron, Michigan (13 mi / 21 km)
Courtright, Ontario (18 mi / 30 km)
Yale, Michigan (26 mi / 43 km)

GEOBA.SE

Sarnia, Ontario

WEATHER FORECAST