Photo: P199 · CC BY-SA 4.0

Climate in Très-Saint-Sacrement · ECCC 1991–2020 normals

Summer arrives in force in Très-Saint-Sacrement, hotter than in 78% of Canadian towns

On a normal January night the air cools to about −13.5°C. Expect the most rain and snow in October and the least in February. Precipitation is plentiful here, more than falls on 74% of Canadian towns. The furnace earns its keep from 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 Très-Saint-Sacrement itself; the figures are those of Montréal Trudeau (Airport), 31 km north.

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 Très-Saint-Sacrement 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 Très-Saint-Sacrement’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 Très-Saint-Sacrement feels like

Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.

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

About 1,041 mm of rain and snow a year

On about 122 days a year, 1 mm or more falls.

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 Très-Saint-Sacrement

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 Très-Saint-Sacrement’s climate

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

The garden window

Count on about 167 frost-free days: the last frost averages 29 April, the first 14 October.

Get outside

Highs of 17–27°C with nights of 8°C or more come 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

Roughly 50 days a year feel hotter than 30 once humidity is counted.

Storms and extremes

Thirty-year normals hide the storms and the extremes: the hazards page has Très-Saint-Sacrement’s risks.

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	31 km north
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	St-Anicet, 40 km

Compared with other towns

How Très-Saint-Sacrement 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

Très-Saint-SacrementMedian 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

Très-Saint-SacrementMedian 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

Très-Saint-SacrementMedian Canadian town

05001,0001,5002,000

Wetter than 74% of Canadian towns

Snowfall a year217 cm

Très-Saint-SacrementMedian Canadian town

100200300400

Snowier than 80% of Canadian towns

Next door

Nearby towns’ climate

Places around Très-Saint-Sacrement whose figures come from another normals location.

Town	July high	January low	Rain & snow
Très-Saint-Sacrement Montréal Trudeau (Airport)	26.7°C	−13.5°C	1,041 mm
Saint-Étienne-de-Beauharnois 6.8 km · Montréal Trudeau (Airport)	26.7°C about the same	−13.5°C about the same	1,041 mm
Saint-Chrysostome 13 km · L'Acadie	26.6°C about the same	−13.6°C about the same	1,041 mm
Saint-Louis-de-Gonzague 15 km · St-Anicet	26.7°C about the same	−13.0°C 0.5°C milder	1,047 mm

Month by month

Très-Saint-Sacrement weather by month

Each month’s normals, 1991–2020: high, low, mean, precipitation and 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

March has the widest record range, −26.9°C in 1992 to 25.8°C in 2012; the tick on each bar is the month’s normal.

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Très-Saint-Sacrement’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 Canadian town and neighbourhood of 2,500 or more, each read from its own nearest location; city totals and reserves are left out.
Not on this page: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.

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

Questions about Très-Saint-Sacrement’s climate

How warm does Très-Saint-Sacrement get in summer?

Highs reach 26.7°C on an average July day; no month is warmer.

How cold does Très-Saint-Sacrement get in winter?

Of all twelve months, January has the coldest nights, about −13.5°C.

How much rain and snow does Très-Saint-Sacrement 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?

There is 1 cm of snow or more on the ground on roughly 101 days a year.

Are these figures for Très-Saint-Sacrement itself?

Not exactly. Très-Saint-Sacrement lacks a normals station, so Montréal Trudeau (Airport) supplies the figures.

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

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).