Photo: Michaël Dumais · Public domain

Climate in Lac-Bouchette · ECCC 1991–2020 normals

Winter nights in Lac-Bouchette are colder than in 91% of Canadian towns

In July the day’s top temperature is typically 23.7°C. Summers stay cool: July afternoons here are cooler than in 71% of Canadian towns. A year here swings 45°C from midwinter lows to midsummer highs. Ice scrapers and block heaters earn their keep on roughly 187 days a year at 0°C or below.

July afternoons: cooler than 71% of Canadian towns

January nights: colder than 91% of Canadian towns

Rain and snow a year: wetter than 56% of Canadian towns

These are not Lac-Bouchette’s own readings: ECCC keeps no normals there, so the page uses Roberval, 31 km north.

July high

23.7°C

Typical Canadian town 25.5°C

January low

−20.8°C

Typical Canadian town −13.5°C

Rain & snow a year

911 mm

Typical Canadian town 883 mm

Snowfall a year

271 cm

Typical Canadian town 141 cm

Frost days

187

a year at 0°C or below

Frost-free days

137

17 May to 2 Oct

A year in Lac-Bouchette at a glance

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

Jan−11°C−21°CColdest nights

Feb−8°C−19°C

Mar−1°C−12°C

Apr7°C−3°C

May16°C4°CLast frost ~17 May

Jun22°C10°C

Jul24°C13°CWarmestWettest

Aug23°C12°C

Sep18°C7°C

Oct10°C1°CFirst frost ~2 Oct

Nov now2°C−5°C

Dec−6°C−15°CSnowiest

What stands out about Lac-Bouchette’s climate

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

Colder than 91% of Canadian townsJanuary nights average −20.8°C, the coldest of the year.Snowier than 89% of Canadian townsAbout 271 cm of snow falls in a year, most of it in December.A wider year than 88% of Canadian townsFrom January nights to July afternoons, the year spans 44.5°C.

A normal year

What a year in Lac-Bouchette feels like

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

Winter

−8°C / −18°C

166 mm, with 147 cm of snow

Spring

7°C / −4°C

193 mm, with 77 cm of snow

Summer

23°C / 12°C

302 mm of rain and snow, the wettest season

Autumn

10°C / 1°C

250 mm, with 47 cm of snow

−30°

−20°

−10°

0°

10°

20°

30°

−11°C−21°C

−8°C−19°C

−1°C−12°C

7°C−3°C

16°C4°C

22°C10°C

24°C13°C

23°C12°C

18°C7°C

10°C1°C

2°C−5°C

−6°C−15°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

Frost on 187 days, 20°C on 85

From September to May frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 45 nights a year.

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

17 May 2 Oct

JanFebMarAprMayJunJulAugSepOctNovDec

187

Frost days a year (0°C or below)

More frosts than 75% of Canadian towns

106

Days that stay below 0°C

Nights a year below −20°C

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

911 mm of precipitation in a typical year

The most falls in July, the least in February. About 124 days a year bring 1 mm or more.

911 mm

Rain and snow a year

Wetter than 56% of Canadian towns

645 mm

Of it as rain alone (71%)

112 mm

July, the wettest month

45 mm

February, the driest month

Rain and snow by month

Millimetres

112 mm

JFMAMJJASOND

Rain alone by month

Millimetres

112 mm

JFMAMJJASOND

Snow

About 271 cm of snow a year

From October to May snow is likely; December is the peak, at about 55 cm.

271 cm

Snowfall a year

Snowier than 89% of Canadian towns

Days a year with 0.2 cm of snow or more

Snowfall by month

Centimetres

55 cm

JFMAMJJASOND

Heating

Heating a home in Lac-Bouchette

89% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.

5,619 heating degree days (below 18°C)a year, 1991–2020

1,611 growing degree days (above 5°C)a year, 1991–2020

Every day colder than 18°C on average adds its gap in degrees to the year’s heating total. By this count, homes here need more heating than 84% of Canadian towns.

Living here

Living with Lac-Bouchette’s climate

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

The garden window

The frost-free stretch runs from about 17 May to about 2 October, some 137 days in a normal year.

Get outside

Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jun, Jul and Aug.

Parks & trails →

Wind chill

Wind chill falls below −20 on about 79 days a year: cover skin and dress in layers.

Humidex

Summer brings about 22 days when the humidex passes 30.

Storms and extremes

Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Lac-Bouchette’s hazards page.

Flood & hazards →

Weather station

ECCC’s normals location: Roberval

Behind the 1991–2020 normals for Roberval are 3 stations, which ECCC combines into one record.

Distance from the town	31 km north
Station altitude	179 m
Completeness	at least 25 years
WMO standard normals	No
Coldest reading, 1991–2020	−40.0°C
Hottest reading, 1991–2020	36.5°C
Average wind	13.5 km/h on average, most often from the north-west
Next-nearest location	Normandin, 71 km

Compared with other towns

How Lac-Bouchette compares

Placed among 2,611 Canadian towns and neighbourhoods of 2,500+, each on its nearest normals location; each dot is another location used in Quebec.

July afternoons23.7°C

Lac-BouchetteMedian Canadian town

18°C20°C22°C24°C26°C28°C

Cooler than 71% of Canadian towns

January nights−20.8°C

Lac-BouchetteMedian Canadian town

−30°C−25°C−20°C−15°C−10°C−5°C

Colder than 91% of Canadian towns

Rain and snow a year911 mm

Lac-BouchetteMedian Canadian town

05001,0001,5002,000

Wetter than 56% of Canadian towns

Snowfall a year271 cm

Lac-BouchetteMedian Canadian town

100200300400

Snowier than 89% of Canadian towns

Next door

Nearby towns’ climate

The nearest places on a normals location of their own: those that share Lac-Bouchette’s would only repeat its figures. Distances here run 54–69 km: that is how far the nearest places with figures are from Lac-Bouchette.

Town	July high	January low	Rain & snow
Lac-Bouchette Roberval	23.7°C	−20.8°C	911 mm
Larouche 54 km · Bagotville	24.5°C 0.8°C warmer	−20.4°C about the same	928 mm
La Doré 61 km · Normandin	23.9°C about the same	−23.4°C 2.6°C colder	911 mm

Month by month

Lac-Bouchette weather by month

Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.

Month	High	Low	Mean	Rain & snow	Snow
January	−10.5°C	−20.8°C	−15.7°C	55 mm	47 cm
February	−8.2°C	−18.8°C	−13.5°C	45 mm	44 cm
March	−1.2°C	−11.9°C	−6.6°C	57 mm	45 cm
April	6.9°C	−3.2°C	1.9°C	64 mm	29 cm
May	16.2°C	3.8°C	10.0°C	71 mm	4 cm
June	21.6°C	10.0°C	15.8°C	87 mm	0 cm
July	23.7°C	13.3°C	18.5°C	112 mm	0 cm
August	22.6°C	12.2°C	17.4°C	104 mm	0 cm
September	17.7°C	7.4°C	12.6°C	99 mm	under 1 cm
October	9.8°C	1.3°C	5.6°C	81 mm	8 cm
November	2.3°C	−5.1°C	−1.4°C	71 mm	39 cm
December	−5.8°C	−14.5°C	−10.2°C	66 mm	55 cm
Year	7.9°C	−2.2°C	2.9°C	911 mm	271 cm

Year to year

The most changeable month: February, give or take 3.3°C; the steadiest, August

Records from 1991 to 2020: no month spans more than March, between −33.1°C (2001) and 26.2°C (2012).

−50°

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Lac-Bouchette’s numbers come from

Averages over 30 years, not a forecast.

Normals: the 1991–2020 Canadian Climate Normals at Roberval, the closest ECCC location with twelve months of temperature normals.
Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
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 Lac-Bouchette’s climate

How warm does Lac-Bouchette get in summer?

July is the warmest month, with average highs of 23.7°C.

How cold does Lac-Bouchette get in winter?

Lows sink to −20.8°C on an average January night.

How much rain and snow does Lac-Bouchette get?

Rain and snow add up to about 911 mm of water a year; July brings the most (112 mm), February the least (45 mm).

Are these figures for Lac-Bouchette itself?

They come from Roberval, which ECCC uses as the nearest normals location for Lac-Bouchette.

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

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).