Photo: P199 · CC BY-SA 3.0

Climate in Vaudreuil-sur-le-Lac · ECCC 1991–2020 normals

Vaudreuil-sur-le-Lac has warmer summer afternoons than 78% of Canadian towns

Deep winter brings January lows near −13.5°C. Rain and snow together come to more here than on 74% of Canadian towns. Of all months, October brings the most precipitation and February the least. Plan for rain or snow on about 122 days a year, the days with 1 mm or more.

July afternoons: warmer than 78% of Canadian towns

January nights: milder than 51% of Canadian towns

Rain and snow a year: wetter than 74% of Canadian towns

Borrowed figures: Vaudreuil-sur-le-Lac has no normals station, so these come from Montréal Trudeau (Airport), 23 km east.

July high

26.7°C

Typical Canadian town 25.5°C

January low

−13.5°C

Typical Canadian town −13.5°C

Rain & snow a year

1,041 mm

Typical Canadian town 883 mm

Snowfall a year

217 cm

Typical Canadian town 141 cm

Frost days

146

a year at 0°C or below

Frost-free days

167

29 Apr to 14 Oct

A year in Vaudreuil-sur-le-Lac at a glance

Each month’s typical high and low, in °C.

Jan−5°C−14°CColdest nightsSnowiest

Feb−3°C−12°C

Mar2°C−7°C

Apr11°C1°CLast frost ~29 Apr

May19°C8°C

Jun24°C14°C

Jul27°C17°CWarmest

Aug26°C16°C

Sep21°C11°C

Oct13°C5°CWettestFirst frost ~14 Oct

Nov now6°C−2°C

Dec−1°C−9°C

What stands out about Vaudreuil-sur-le-Lac’s climate

Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.

Snowier than 80% of Canadian townsAbout 217 cm of snow falls in a year, most of it in January.Warmer than 78% of Canadian townsJuly afternoons average 26.7°C, the warmest of the year. 4th warmest of 514 towns of 2,500+ in Quebec.Wetter than 74% of Canadian townsAbout 1,041 mm of rain and melted snow a year; October is the wettest month and February the driest.

A normal year

What a year in Vaudreuil-sur-le-Lac feels like

Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.

Winter

−3°C / −12°C

243 mm, with 147 cm of snow

Spring

11°C / 1°C

253 mm, with 52 cm of snow

Summer

26°C / 15°C

268 mm of rain and snow

Autumn

13°C / 5°C

277 mm, with 17 cm of snow: the wettest season

−20°

−10°

0°

10°

20°

30°

40°

−5°C−14°C

−3°C−12°C

2°C−7°C

11°C1°C

19°C8°C

24°C14°C

27°C17°C

26°C16°C

21°C11°C

13°C5°C

6°C−2°C

−1°C−9°C

JanFebMarAprMayJunJulAugSepOctNovDec

Best months to be outsideMayJunJulAugSepHighs of 17–27°C and nights of 8°C or more

Frost & warm days

Frost on 146 days, 20°C on 121

The frost season runs October to April, and January freezes nearly every night. Deep cold, under −20°C, comes on about 12 nights a year.

167 frost-free days · average dates, 1991–2020

29 Apr 14 Oct

JanFebMarAprMayJunJulAugSepOctNovDec

146

Frost days a year (0°C or below)

Fewer frosts than 65% of Canadian towns

Days that stay below 0°C

Nights a year below −20°C

121

Days a year above 20°C

Days a year above 30°C

Frost days by month

Average days at 0°C or below

JFMAMJJASOND

Days above 20°C by month

Average days

JFMAMJJASOND

Rain & snow

Rain and melted snow: about 1,041 mm a year

1,041 mm

Rain and snow a year

Wetter than 74% of Canadian towns

818 mm

Of it as rain alone (79%)

103 mm

October, the wettest month

66 mm

February, the driest month

Rain and snow by month

Millimetres

103 mm

JFMAMJJASOND

Rain alone by month

Millimetres

102 mm

JFMAMJJASOND

Snow

Snowfall: about 217 cm in a normal year

From October to April snow is likely; January is the peak, at about 52 cm.

217 cm

Snowfall a year

Snowier than 80% of Canadian towns

Days a year with 0.2 cm of snow or more

101

Days a year with 1 cm or more on the ground

11 cm

Snow on the ground at the end of January, the deepest month

Snowfall by month

Centimetres

52 cm

JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

11 cm

JFMAMJJASOND

Heating

Heating a home in Vaudreuil-sur-le-Lac

93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.

4,281 heating degree days (below 18°C)a year, 1991–2020

2,247 growing degree days (above 5°C)a year, 1991–2020

Think of it as a year’s worth of daily shortfalls below 18°C, added up. Homes here need less heating than 62% of Canadian towns.

Living here

Living with Vaudreuil-sur-le-Lac’s climate

Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.

The garden window

About 167 days a year pass without frost, from an average last frost of 29 April to a first of 14 October.

Get outside

Afternoons of 17–27°C and nights of at least 8°C arrive in May, Jun, Jul, Aug and Sep.

Parks & trails →

Wind chill

Roughly 40 days a year feel colder than −20 in the wind.

Humidex

Humid summer days, the humidex above 30, number about 50 a year.

Storms and extremes

For the weather that does damage, from ice storms to floods, see Vaudreuil-sur-le-Lac’s hazards page.

Flood & hazards →

Weather station

ECCC’s normals location: Montréal Trudeau (Airport)

ECCC builds the Montréal Trudeau (Airport) normals from 3 stations’ records over 1991–2020, joined where one replaced another.

Distance from the town	23 km east
Station altitude	36 m
Completeness	meets the WMO “3 and 5” rule
WMO standard normals	No
Coldest reading, 1991–2020	−31.8°C
Hottest reading, 1991–2020	36.6°C
Average wind	15.4 km/h on average, most often from the west
Next-nearest location	Lachute, 35 km

Compared with other towns

How Vaudreuil-sur-le-Lac compares

Against the 2,611 Canadian towns and neighbourhoods of 2,500 or more, each read from its own normals location; the dots are the other locations those towns use in Quebec.

July afternoons26.7°C

Vaudreuil-sur-le-LacMedian Canadian town

18°C20°C22°C24°C26°C28°C

Warmer than 78% of Canadian towns4th warmest of 514 towns of 2,500+ in Quebec

January nights−13.5°C

Vaudreuil-sur-le-LacMedian Canadian town

−30°C−25°C−20°C−15°C−10°C−5°C

Milder than 51% of Canadian towns

Rain and snow a year1,041 mm

Vaudreuil-sur-le-LacMedian Canadian town

05001,0001,5002,000

Wetter than 74% of Canadian towns

Snowfall a year217 cm

Vaudreuil-sur-le-LacMedian Canadian town

100200300400

Snowier than 80% of Canadian towns

Next door

Nearby towns’ climate

Places around Vaudreuil-sur-le-Lac whose figures come from another normals location. Vaudreuil-sur-le-Lac has few close neighbours with figures, so the list reaches 9–17 km out.

Town	July high	January low	Rain & snow
Vaudreuil-sur-le-Lac Montréal Trudeau (Airport)	26.7°C	−13.5°C	1,041 mm
Saint-Lazare 9.0 km · Lachute	26.5°C about the same	−14.7°C 1.2°C colder	1,178 mm
Saint-Clet 16 km · St-Anicet	26.7°C about the same	−13.0°C 0.5°C milder	1,047 mm

Month by month

Vaudreuil-sur-le-Lac weather by month

Month by month, 1991–2020: the usual high, low and mean, the rain and snow, and the snowfall.

Month	High	Low	Mean	Rain & snow	Snow
January	−5.0°C	−13.5°C	−9.2°C	86 mm	52 cm
February	−3.4°C	−12.4°C	−8.0°C	66 mm	47 cm
March	2.4°C	−6.5°C	−2.0°C	77 mm	37 cm
April	11.3°C	1.1°C	6.2°C	90 mm	15 cm
May	19.4°C	8.3°C	13.9°C	86 mm	0 cm
June	24.2°C	13.8°C	19.0°C	84 mm	0 cm
July	26.7°C	16.7°C	21.7°C	91 mm	0 cm
August	25.7°C	15.6°C	20.6°C	94 mm	0 cm
September	21.1°C	10.9°C	16.0°C	89 mm	0 cm
October	13.2°C	4.5°C	8.9°C	103 mm	1 cm
November	6.1°C	−1.7°C	2.3°C	84 mm	16 cm
December	−1.2°C	−8.7°C	−5.0°C	92 mm	48 cm
Year	11.7°C	2.3°C	7.0°C	1,041 mm	217 cm

Year to year

The most changeable month: January, give or take 3.0°C; the steadiest, June

Records from 1991 to 2020: no month spans more than March, between −26.9°C (1992) and 25.8°C (2012).

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Vaudreuil-sur-le-Lac’s numbers come from

Averages over 30 years, not a forecast.

Normals: ECCC’s normals for Montréal Trudeau (Airport), 1991–2020, chosen as the nearest location with a full temperature record.
Comparisons: every place of 2,500+ in Canada but the city hubs and the reserves, each on its nearest ECCC location.
Not on this page: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.

Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada

Questions about Vaudreuil-sur-le-Lac’s climate

How warm does Vaudreuil-sur-le-Lac get in summer?

Of all twelve months, July has the warmest afternoons, about 26.7°C.

How cold does Vaudreuil-sur-le-Lac get in winter?

In January, the coldest month, the typical low is −13.5°C.

How much rain and snow does Vaudreuil-sur-le-Lac get?

Over twelve months, rain and melted snow come to 1,041 mm; the range runs from 66 mm in February to 103 mm in October.

How long does snow stay on the ground?

A layer of at least 1 cm stays down on about 101 days a year.

Are these figures for Vaudreuil-sur-le-Lac itself?

Not directly: Vaudreuil-sur-le-Lac has no ECCC normals of its own, and Montréal Trudeau (Airport) stands in for it.

Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Vaudreuil-sur-le-Lac →

Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).