Photo: Bull-Doser · Public domain

Climate in Vaudreuil-Dorion · ECCC 1991–2020 normals

Vaudreuil-Dorion has warmer summer afternoons than 78% of Canadian towns

January nights here settle around −13.5°C. By precipitation alone, it ranks wetter than 74% of Canadian towns. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 40°C apart. Have the furnace checked before October to April, the months that average under 10°C.

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

ECCC publishes no normals for Vaudreuil-Dorion itself; the figures are those of Montréal Trudeau (Airport), 24 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-Dorion 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-Dorion’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 513 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-Dorion feels like

Each season’s and each month’s usual high and low, 1991–2020.

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

146 frost days and 121 days above 20°C a year

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

October is the wettest month and February the driest. About 122 days a year bring 1 mm or more.

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

About 217 cm of snow a 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-Dorion

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

Heating degree days total each day’s gap between its mean temperature and 18°C. Over a year, a home here needs less heating than 62% of Canadian towns.

Living here

Living with Vaudreuil-Dorion’s climate

The averages read for the garden, the outdoors and the coldest and hottest days.

The garden window

Gardens get from about 29 April to 14 October without frost, around 167 days in all.

Get outside

For long days outdoors, May, Jun, Jul, Aug and Sep bring highs of 17–27°C and lows of 8°C or more.

Parks & trails →

Wind chill

Expect around 40 days a year when the wind chill sinks below −20.

Humidex

The humidex tops 30 on about 50 days a year: muggy days to plan around.

Storms and extremes

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

Flood & hazards →

Weather station

ECCC’s normals location: Montréal Trudeau (Airport)

Behind the 1991–2020 normals for Montréal Trudeau (Airport) are 3 stations, which ECCC combines into one record.

Distance from the town	24 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, 36 km

Compared with other towns

How Vaudreuil-Dorion 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-DorionMedian Canadian town

18°C20°C22°C24°C26°C28°C

Warmer than 78% of Canadian towns4th warmest of 513 towns of 2,500+ in Quebec

January nights−13.5°C

Vaudreuil-DorionMedian 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-DorionMedian Canadian town

05001,0001,5002,000

Wetter than 74% of Canadian towns

Snowfall a year217 cm

Vaudreuil-DorionMedian Canadian town

100200300400

Snowier than 80% of Canadian towns

Next door

Nearby towns’ climate

Places around Vaudreuil-Dorion whose figures come from another normals location. Distances here run 8–15 km: that is how far the nearest places with figures are from Vaudreuil-Dorion.

Town	July high	January low	Rain & snow
Vaudreuil-Dorion Montréal Trudeau (Airport)	26.7°C	−13.5°C	1,041 mm
Saint-Lazare 8.3 km · Lachute	26.5°C about the same	−14.7°C 1.2°C colder	1,178 mm
Saint-Clet 14 km · St-Anicet	26.7°C about the same	−13.0°C 0.5°C milder	1,047 mm

Month by month

Vaudreuil-Dorion 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

In March, anything from −26.9°C to 25.8°C

Bars run from each month’s record low to its record high over 1991–2020; January is the month whose average wanders most from year to year (±3.0°C around −9.2°C), June the one that wanders least (±1.1°C).

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Vaudreuil-Dorion’s numbers come from

Averages over 30 years, not a forecast.

Normals: 1991–2020 normals for Montréal Trudeau (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
Not on this page: sunshine, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.

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

Questions about Vaudreuil-Dorion’s climate

How warm does Vaudreuil-Dorion get in summer?

A normal July afternoon tops out at about 26.7°C, the year’s high point.

How cold does Vaudreuil-Dorion get in winter?

At its coldest, in January, the normal low is −13.5°C.

How much rain and snow does Vaudreuil-Dorion get?

Rain and snow, with snow counted as water, total 1,041 mm a year; October leads with 103 mm and February trails with 66 mm.

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-Dorion itself?

No, the station behind them is Montréal Trudeau (Airport), beyond Vaudreuil-Dorion’s boundary.

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

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).