ST. THOMAS, ONTARIO

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Elevation: 236 meters Latitude: 42 46N Longitude: 081 07W

WEATHER

Monthly - Summary

CURRENT CONDITIONS

Sunrise/Set

06:20 am

08:23 pm
Local Time
11:04 am EDT
29 April, 2024

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MONTHLY - WEATHER AVERAGES SUMMARY [ Show All Data ]

[ °F ] °C

Average Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.7		-4.7		-3.6		1		7.6		13.7		18.8		21.2		20.3		16.4		10.1		4.5		-1.4

Average High Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.6		-0.8		0.7		5.6		13		19.6		24.7		27		25.9		21.8		15.1		8.3		2

Average Low Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.7		-8.5		-7.8		-3.7		2.1		7.7		12.9		15.4		14.7		10.9		5.1		0.6		-4.8

Average Precipitation

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		993		73.5		63.2		65.7		83.4		87.3		92.4		83		80		94.8		85.7		98.7		85.3

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		162		14.8		11.9		12.4		15.9		13.1		11.6		12.8		11.4		14		14.1		15.5		14.6

Highest Recorded Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38		14.5		18.5		24.5		29.5		32.5		38		37		34.5		33		26.5		21.5		18.5

Lowest Recorded Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-31		-31		-30		-25.5		-16		-3		1		6		---		-2		-7		-13.5		-27.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10		11.1		12.5		13.9		15.2		15.9		15.5		14.4		12.9		11.5		10.2		9.6

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		7.3		---		---		---		---		0.2		1.8		3.5		1.7		0.1		---		---		---

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		135.4		27.9		25.5		23.9		11.1		1.9		---		---		---		0.2		4.7		15.1		25.2

Average Snowfall

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		118.6		38.3		25.9		17.1		3.5		---		---		---		---		---		0.3		6.3		27.3

Average Number of Rainy Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		132.9		6		5.7		9.1		14.3		14.1		11.1		12.4		11.1		13.2		13.9		13.5		8.5

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32.2		9.6		7.3		4.1		1.3		---		---		---		---		---		0.2		2.5		7.3

Average Relative Humidity

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		79		87		86		79		74		73		75		73		75		78		81		85		86

Average Dew Point

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4		-6		-7		-3		1		8		14		16		15		11		6		1		-5

NEARBY - MAP

NEARBY - LIST

Aylmer, Ontario (6 mi / 11 km)
Forest, Ontario (8 mi / 13 km)
Port Stanley, Ontario (8 mi / 13 km)
Westminster Township, Ontario (11 mi / 18 km)
Culloden Easey, Ontario (16 mi / 26 km)

GEOBA.SE

St. Thomas, Ontario