Climate in Grande-Rivière · ECCC 1991–2020 normals

Ice on the ground: Grande-Rivière sees more frosts than 90% of Canadian towns

Expect July afternoons of about 23.5°C. Temperatures cover 40°C across the year, low to high. Rain and snow together come to more here than on 86% of Canadian towns. Plan time outside for July and August, when highs sit at 23–24°C.

July afternoons: cooler than 80% of Canadian towns

January nights: colder than 80% of Canadian towns

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

Borrowed figures: Grande-Rivière has no normals station, so these come from Gaspé, 43 km north.

July high

23.5°C

Typical Canadian town 25.5°C

January low

−16.7°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

200

a year at 0°C or below

Frost-free days

104

4 Jun to 17 Sep

A year in Grande-Rivière at a glance

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

Jan−6°C−17°CColdest nightsSnowiest

Feb−5°C−17°C

Mar0°C−11°C

Apr6°C−4°C

May14°C1°C

Jun20°C7°CLast frost ~4 Jun

Jul24°C11°CWarmest

Aug23°C10°C

Sep18°C6°CFirst frost ~17 Sep

Oct11°C1°CWettest

Nov now4°C−4°C

Dec−2°C−11°C

What stands out about Grande-Rivière’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 493 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.Cooler than 80% of Canadian townsJuly afternoons average 23.5°C, the warmest of the year.

A normal year

What a year in Grande-Rivière feels like

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

Winter

−4°C / −15°C

281 mm, with 226 cm of snow

Spring

7°C / −4°C

284 mm, with 123 cm of snow

Summer

22°C / 9°C

270 mm of rain and snow

Autumn

11°C / 1°C

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

−30°

−20°

−10°

0°

10°

20°

30°

−6°C−17°C

−5°C−17°C

0°C−11°C

6°C−4°C

14°C1°C

20°C7°C

24°C11°C

23°C10°C

18°C6°C

11°C1°C

4°C−4°C

−2°C−11°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

About 200 frosts and 78 warm days a year

From September to June frost is routine, and in January it comes on almost every night. Some 27 nights a year drop under −20°C.

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

4 Jun 17 Sep

JanFebMarAprMayJunJulAugSepOctNovDec

200

Frost days a year (0°C or below)

More frosts than 90% of Canadian towns

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

About 1,161 mm of rain and snow a year

October brings the most rain and snow; February, the least. About 123 days a year bring 1 mm or more.

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

Snow

Snowfall: about 385 cm in a normal year

Expect snow from October to May, with about 80 cm in January, the snowiest month. The snowiest of 493 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

150

Days a year with 1 cm or more on the ground

55 cm

Snow on the ground at the end of February, the deepest month

Snowfall by month

Centimetres

80 cm

JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

55 cm

JFMAMJJASOND

Heating

Heating a home in Grande-Rivière

86% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.

5,389 heating degree days (below 18°C)a year, 1991–2020

1,356 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. In heating terms, homes need more heating than 82% of Canadian towns.

Living here

Living with Grande-Rivière’s climate

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

The garden window

The growing season between frosts lasts about 104 days, roughly 4 June to 17 September.

Get outside

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

Parks & trails →

Wind chill

Bitter wind chill, under −20, comes on about 55 days a year.

Humidex

Humid summer days, the humidex above 30, number about 18 a year.

Storms and extremes

Averages smooth over blizzards, ice storms, floods and heat waves; Grande-Rivière’s hazards page covers the risks.

Flood & hazards →

Weather station

ECCC’s normals location: Gaspé

Gaspé is a composite: ECCC joins 3 stations’ readings to make its 1991–2020 normals.

Distance from the town	43 km north
Station altitude	34 m
Completeness	at least 20 years
WMO standard normals	No
Coldest reading, 1991–2020	−35.2°C
Hottest reading, 1991–2020	36.0°C
Average wind	10.9 km/h on average, most often from the west
Next-nearest location	Miscou Island, 43 km

Compared with other towns

How Grande-Rivière 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 afternoons23.5°C

Grande-RivièreMedian Canadian town

18°C20°C22°C24°C26°C28°C

Cooler than 80% of Canadian towns

January nights−16.7°C

Grande-RivièreMedian Canadian town

−30°C−25°C−20°C−15°C−10°C−5°C

Colder than 80% of Canadian towns

Rain and snow a year1,161 mm

Grande-RivièreMedian Canadian town

05001,0001,5002,000

Wetter than 86% of Canadian towns

Snowfall a year385 cm

Grande-RivièreMedian Canadian town

100200300400

Snowier than almost every Canadian townThe snowiest of 493 towns of 2,500+ in Quebec

Next door

Nearby towns’ climate

Nearby places read from a different ECCC location (places on Grande-Rivière’s own would show the same figures). The nearest places to Grande-Rivière with figures are 16–67 km away.

Town	July high	January low	Rain & snow
Grande-Rivière Gaspé	23.5°C	−16.7°C	1,161 mm
Chandler 16 km · Miscou Island	22.3°C 1.2°C cooler	−11.8°C 4.9°C milder	1,161 mm
Port-Daniel--Gascons 37 km · New Carlisle	22.7°C 0.8°C cooler	−14.2°C 2.5°C milder	1,095 mm
Shippagan 66 km · Bas Caraquet	23.6°C about the same	−12.7°C 4.0°C milder	984 mm

Month by month

Grande-Rivière 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	−5.6°C	−16.7°C	−11.1°C	88 mm	80 cm
February	−4.8°C	−16.7°C	−10.8°C	73 mm	74 cm
March	0.4°C	−11.1°C	−5.4°C	104 mm	79 cm
April	6.4°C	−3.5°C	1.4°C	88 mm	39 cm
May	13.9°C	1.3°C	7.6°C	92 mm	5 cm
June	19.7°C	6.6°C	13.2°C	79 mm	0 cm
July	23.5°C	10.7°C	17.1°C	100 mm	0 cm
August	23.0°C	10.0°C	16.6°C	91 mm	0 cm
September	18.4°C	5.5°C	11.9°C	91 mm	0 cm
October	11.1°C	0.8°C	6.0°C	130 mm	4 cm
November	4.4°C	−4.0°C	0.2°C	105 mm	32 cm
December	−1.9°C	−10.7°C	−6.3°C	120 mm	72 cm
Year	9.0°C	−2.3°C	3.4°C	1,161 mm	385 cm

Year to year

February varies most from one year to the next (2.5°C), August least

Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −30.1°C in 2008 to 21.1°C in 2012.

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Grande-Rivière’s numbers come from

Averages over 30 years, not a forecast.

Normals: ECCC’s 1991–2020 Canadian Climate Normals for Gaspé, the nearest location with a full year of temperatures.
Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
Not on this page: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.

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

Questions about Grande-Rivière’s climate

How warm does Grande-Rivière get in summer?

Expect highs near 23.5°C in July, the hottest month on average.

How cold does Grande-Rivière get in winter?

Lows sink to −16.7°C on an average January night.

How much rain and snow does Grande-Rivière get?

Precipitation totals 1,161 mm a year, with October the wettest month (130 mm) and February the driest (73 mm).

How long does snow stay on the ground?

Snow cover of 1 cm or more lasts about 150 days in a typical year.

Are these figures for Grande-Rivière itself?

They are borrowed from Gaspé, the nearest place to Grande-Rivière where ECCC publishes 1991–2020 normals.

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

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).