Photo: P199 · CC BY-SA 3.0

Climate in Terrasse-Vaudreuil · ECCC 1991–2020 normals

Summer afternoons in Terrasse-Vaudreuil are warmer than in 78% of Canadian towns

The coldest hours of a January night bottom out at −13.5°C on average. Counting rain and snow together, it is wetter than 74% of Canadian towns. From frozen January to warm July, readings climb 40°C. Comfortable outdoor weather lasts from May to September, with highs of 19–27°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

Terrasse-Vaudreuil has no ECCC normals station of its own: every figure here comes from Montréal Trudeau (Airport), 21 km north-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 Terrasse-Vaudreuil 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 Terrasse-Vaudreuil’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 Terrasse-Vaudreuil 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

From October to April frost is routine, and in January it comes on almost every night. On about 12 nights a year the air falls below −20°C.

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

About 1,041 mm of rain and snow a year

October brings the most rain and snow; February, the least. 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

Snow falls from October to April, most of all in January (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 Terrasse-Vaudreuil

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

Behind the figure: the degrees each day’s mean falls under 18°C, summed for the year. A house here needs less heating than 62% of Canadian towns.

Living here

Living with Terrasse-Vaudreuil’s climate

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

The garden window

Wait until about 29 April to plant out; frost tends to come back around 14 October, about 167 days later.

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

About 40 days a year bring a wind chill under −20, when bare skin chills fast.

Humidex

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

Storms and extremes

Thirty-year normals hide the storms and the extremes: the hazards page has Terrasse-Vaudreuil’s risks.

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	21 km north-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, 39 km

Compared with other towns

How Terrasse-Vaudreuil compares

Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Quebec.

July afternoons26.7°C

Terrasse-VaudreuilMedian 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

Terrasse-VaudreuilMedian 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

Terrasse-VaudreuilMedian Canadian town

05001,0001,5002,000

Wetter than 74% of Canadian towns

Snowfall a year217 cm

Terrasse-VaudreuilMedian Canadian town

100200300400

Snowier than 80% of Canadian towns

Next door

Nearby towns’ climate

Nearby places read from a different ECCC location (places on Terrasse-Vaudreuil’s own would show the same figures). Distances here run 12–18 km: that is how far the nearest places with figures are from Terrasse-Vaudreuil.

Town	July high	January low	Rain & snow
Terrasse-Vaudreuil Montréal Trudeau (Airport)	26.7°C	−13.5°C	1,041 mm
Saint-Lazare 12 km · Lachute	26.5°C about the same	−14.7°C 1.2°C colder	1,178 mm
Coteau-du-Lac 18 km · St-Anicet	26.7°C about the same	−13.0°C 0.5°C milder	1,047 mm

Month by month

Terrasse-Vaudreuil 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

A March here can run from −26.9°C to 25.8°C

Two years in three, January’s average falls within 3.0°C of its normal of −9.2°C; June keeps to within 1.1°C.

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Terrasse-Vaudreuil’s numbers come from

Averages over 30 years, not a forecast.

Normals: the closest ECCC location with twelve months of temperature normals, Montréal Trudeau (Airport), 1991–2020.
Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.

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

Questions about Terrasse-Vaudreuil’s climate

How warm does Terrasse-Vaudreuil get in summer?

The warmest month is July, when afternoons average 26.7°C.

How cold does Terrasse-Vaudreuil get in winter?

Deep winter means January, when nights average −13.5°C.

How much rain and snow does Terrasse-Vaudreuil get?

A normal year brings 1,041 mm, snow included as water: October is wettest at 103 mm, February driest at 66 mm.

How long does snow stay on the ground?

Count on about 101 days of snow cover a year, 1 cm or deeper.

Are these figures for Terrasse-Vaudreuil itself?

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

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

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).