Climate in Grande-Vallée · ECCC 1991–2020 normals

Grande-Vallée has some of the coolest summers among Canadian towns

The depth of winter brings overnight lows near −13.4°C. Of all months, October brings the most precipitation and February the least. Counting rain and snow together, it is wetter than 86% of Canadian towns. Heating does most of its work from October to May, in months below 10°C on average.

July afternoons: cooler than almost every Canadian town

January nights: milder than 57% of Canadian towns

Rain and snow a year: wetter than 86% of Canadian towns

No ECCC station in Grande-Vallée has 1991–2020 normals; the page reads Cap-Madeleine, 14 km west, instead.

July high

20.3°C

Typical Canadian town 25.5°C

January low

−13.4°C

Typical Canadian town −13.5°C

Rain & snow a year

1,161 mm

Typical Canadian town 883 mm

Snowfall a year

385 cm

Typical Canadian town 141 cm

Frost days

167

a year at 0°C or below

A year in Grande-Vallée at a glance

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

Jan−6°C−13°CColdest nightsSnowiest

Feb−6°C−13°C

Mar−1°C−8°C

Apr5°C−2°C

May12°C4°C

Jun17°C9°C

Jul20°C13°CWarmest

Aug20°C13°C

Sep16°C9°C

Oct10°C3°CWettest

Nov now4°C−2°C

Dec−2°C−8°C

What stands out about Grande-Vallée’s climate

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

Snowier than almost every Canadian townAbout 385 cm of snow falls in a year, most of it in January. The snowiest of 494 towns of 2,500+ in Quebec.Cooler than almost every Canadian townJuly afternoons average 20.3°C, the warmest of the year. 508th warmest of 514 towns of 2,500+ in Quebec.Wetter than 86% of Canadian townsAbout 1,161 mm of rain and melted snow a year; October is the wettest month and February the driest.

A normal year

What a year in Grande-Vallée feels like

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

Winter

−4°C / −11°C

281 mm, with 226 cm of snow

Spring

5°C / −2°C

284 mm, with 123 cm of snow

Summer

19°C / 12°C

270 mm of rain and snow

Autumn

10°C / 3°C

326 mm, with 36 cm of snow: the wettest season

−20°

−15°

−10°

−5°

0°

5°

10°

15°

20°

25°

−6°C−13°C

−1°C−8°C

5°C−2°C

12°C4°C

17°C9°C

20°C13°C

16°C9°C

10°C3°C

4°C−2°C

−2°C−8°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

Frost on 167 days, 20°C on 46

Frost comes from October to May; in January almost every night freezes. Deep cold, under −20°C, comes on about 9 nights a year.

167

Frost days a year (0°C or below)

More frosts than 55% of Canadian towns

Days that stay below 0°C

Nights a year below −20°C

Days a year above 20°C

Frost days by month

Average days at 0°C or below

JFMAMJJASOND

Days above 20°C by month

Average days

JFMAMJJASOND

Rain & snow

1,161 mm of precipitation in a typical year

On about 123 days a year, 1 mm or more falls.

1,161 mm

Rain and snow a year

Wetter than 86% of Canadian towns

798 mm

Of it as rain alone (69%)

130 mm

October, the wettest month

73 mm

February, the driest month

Rain and snow by month

Millimetres

130 mm

JFMAMJJASOND

Rain alone by month

Millimetres

125 mm

JFMAMJJASOND

ECCC’s Cap-Madeleine normals leave out precipitation and snow; both come from Gaspé here, 68 km away.

Snow

385 cm of snow in a typical year

From October to May snow is likely; January is the peak, at about 80 cm. The snowiest of 494 towns of 2,500+ in Quebec.

385 cm

Snowfall a year

Snowier than almost every Canadian town

Days a year with 0.2 cm of snow or more

Snowfall by month

Centimetres

80 cm

JFMAMJJASOND

Heating

Heating a home in Grande-Vallée

85% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.

5,151 heating degree days (below 18°C)a year, 1991–2020

1,358 growing degree days (above 5°C)a year, 1991–2020

Degree days add up how far each day’s mean temperature falls below 18°C over a year. By this count, homes here need more heating than 80% of Canadian towns.

Living here

Living with Grande-Vallée’s climate

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

Get outside

Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul and Aug.

Parks & trails →

Wind chill

Count on some 54 days a year when the wind makes it feel below −20.

Humidex

Plan shade and water for about 6 days a year above 30 on the humidex.

Storms and extremes

Ice storms, floods and heat waves are risks, not averages: they are on Grande-Vallée’s hazards page.

Flood & hazards →

Weather station

ECCC’s normals location: Cap-Madeleine

Behind the 1991–2020 normals for Cap-Madeleine are 2 stations, which ECCC combines into one record.

Distance from the town	14 km west
Station altitude	2 m
Completeness	meets the WMO “3 and 5” rule
WMO standard normals	No
Precipitation from	Gaspé, 68 km
Coldest reading, 1991–2020	−29.8°C
Hottest reading, 1991–2020	32.7°C
Average wind	19.8 km/h on average, most often from the west
Next-nearest location	Gaspé, 68 km

Compared with other towns

How Grande-Vallée 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 afternoons20.3°C

Grande-ValléeMedian Canadian town

18°C20°C22°C24°C26°C28°C

Cooler than almost every Canadian town508th warmest of 514 towns of 2,500+ in Quebec

January nights−13.4°C

Grande-ValléeMedian Canadian town

−30°C−25°C−20°C−15°C−10°C−5°C

Milder than 57% of Canadian towns

Rain and snow a year1,161 mm

Grande-ValléeMedian Canadian town

05001,0001,5002,000

Wetter than 86% of Canadian towns

Snowfall a year385 cm

Grande-ValléeMedian Canadian town

100200300400

Snowier than almost every Canadian townThe snowiest of 494 towns of 2,500+ in Quebec

Next door

Nearby towns’ climate

Places around Grande-Vallée whose figures come from another normals location. The nearest places to Grande-Vallée with figures are 64–102 km away.

Town	July high	January low	Rain & snow
Grande-Vallée Cap-Madeleine	20.3°C	−13.4°C	1,161 mm
Gaspé 64 km · Gaspé	23.5°C 3.2°C warmer	−16.7°C 3.3°C colder	1,161 mm
Sainte-Anne-des-Monts 97 km · Cap-Chat	19.7°C 0.6°C cooler	−13.9°C 0.5°C colder	1,077 mm

Month by month

Grande-Vallée 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	−5.9°C	−13.4°C	−9.6°C	88 mm	80 cm
February	−5.6°C	−13.1°C	−9.4°C	73 mm	74 cm
March	−0.9°C	−8.1°C	−4.5°C	104 mm	79 cm
April	5.2°C	−1.6°C	1.8°C	88 mm	39 cm
May	11.6°C	3.8°C	7.7°C	92 mm	5 cm
June	17.1°C	9.0°C	13.0°C	79 mm	0 cm
July	20.3°C	12.9°C	16.6°C	100 mm	0 cm
August	19.7°C	12.7°C	16.2°C	91 mm	0 cm
September	15.9°C	8.5°C	12.3°C	91 mm	0 cm
October	9.5°C	3.4°C	6.4°C	130 mm	4 cm
November	4.0°C	−1.8°C	1.1°C	105 mm	32 cm
December	−1.7°C	−7.8°C	−4.8°C	120 mm	72 cm
Year	7.4°C	0.4°C	3.9°C	1,161 mm	385 cm

Year to year

Two years in three, February’s average lands within 2.8°C of normal, against the steadier August

Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −25.0°C in 1992 to 21.4°C in 2012.

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Grande-Vallée’s numbers come from

Averages over 30 years, not a forecast.

Normals: the Canadian Climate Normals, 1991–2020, at Cap-Madeleine (the closest location with all twelve months of temperatures).
Other locations: where a location publishes no full year of precipitation or snowfall, the nearest one that does supplies it, named beside those figures.
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: 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 Grande-Vallée’s climate

How warm does Grande-Vallée get in summer?

Highs reach 20.3°C on an average July day; no month is warmer.

How cold does Grande-Vallée get in winter?

Expect nights around −13.4°C in January; no month is colder.

How much rain and snow does Grande-Vallée get?

The year adds up to 1,161 mm. October is the peak month (130 mm) and February the low one (73 mm).

Are these figures for Grande-Vallée itself?

No, the station behind them is Cap-Madeleine, beyond Grande-Vallée’s boundary.

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

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).