Photo: Ymblanter · CC BY-SA 4.0

Climate in Rivière-du-Loup · ECCC 1991–2020 normals

Rivière-du-Loup has some of the coolest summers among Canadian towns

The depth of winter brings overnight lows near −15.5°C. Counting rain and snow together, it is wetter than 83% of Canadian towns. Some 38°C separates winter nights from summer afternoons. Have the furnace checked before October to May, the months that average under 10°C.

July afternoons: cooler than 96% of Canadian towns

January nights: colder than 73% of Canadian towns

Rain and snow a year: wetter than 83% of Canadian towns

Measured at Rivière-du-Loup/St-Antonin, 2.6 km south-west: ECCC’s normals for 1991–2020.

July high

22.5°C

Typical Canadian town 25.5°C

January low

−15.5°C

Typical Canadian town −13.5°C

Rain & snow a year

1,124 mm

Typical Canadian town 883 mm

Snowfall a year

281 cm

Typical Canadian town 141 cm

Frost days

176

a year at 0°C or below

A year in Rivière-du-Loup at a glance

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

Jan−7°C−16°CColdest nights

Feb−6°C−14°C

Mar−1°C−9°C

Apr6°C−2°C

May14°C4°C

Jun20°C9°C

Jul23°C13°CWarmest

Aug22°C12°C

Sep17°C8°C

Oct10°C2°CWettest

Nov now3°C−3°C

Dec−4°C−10°CSnowiest

What stands out about Rivière-du-Loup’s climate

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

Cooler than 96% of Canadian townsJuly afternoons average 22.5°C, the warmest of the year.Snowier than 91% of Canadian townsAbout 281 cm of snow falls in a year, most of it in December.Wetter than 83% of Canadian townsAbout 1,124 mm of rain and melted snow a year; October is the wettest month and January the driest.

A normal year

What a year in Rivière-du-Loup feels like

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

Winter

−6°C / −13°C

217 mm, with 181 cm of snow

Spring

6°C / −2°C

268 mm, with 74 cm of snow

Summer

21°C / 11°C

326 mm of rain and snow, the wettest season

Autumn

10°C / 2°C

312 mm, with 27 cm of snow

−20°

−10°

0°

10°

20°

30°

−7°C−16°C

−6°C−14°C

−1°C−9°C

6°C−2°C

14°C4°C

20°C9°C

23°C13°C

22°C12°C

17°C8°C

10°C2°C

3°C−3°C

−4°C−10°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

About 176 frosts and 74 warm days a year

The frost season runs October to May, and January freezes nearly every night. Deep cold, under −20°C, comes on about 17 nights a year.

176

Frost days a year (0°C or below)

More frosts than 61% of Canadian towns

103

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

Rain and melted snow: about 1,124 mm a year

The most falls in October, the least in January. On about 137 days a year, 1 mm or more falls.

1,124 mm

Rain and snow a year

Wetter than 83% of Canadian towns

860 mm

Of it as rain alone (77%)

124 mm

October, the wettest month

63 mm

January, the driest month

Rain and snow by month

Millimetres

124 mm

JFMAMJJASOND

Rain alone by month

Millimetres

118 mm

JFMAMJJASOND

ECCC’s Rivière-du-Loup/St-Antonin normals leave out precipitation and snow; both come from Grandes-Bergeronnes here, 47 km away.

Snow

281 cm of snow in a typical year

Snow falls from October to May, most of all in December (about 66 cm).

281 cm

Snowfall a year

Snowier than 91% of Canadian towns

Days a year with 0.2 cm of snow or more

Snowfall by month

Centimetres

66 cm

JFMAMJJASOND

Heating

Heating a home in Rivière-du-Loup

88% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.

5,236 heating degree days (below 18°C)a year, 1991–2020

1,516 growing degree days (above 5°C)a year, 1991–2020

Warm days count for nothing; each colder day adds how far its mean sits below 18°C. Homes here need more heating than 81% of Canadian towns.

Living here

Living with Rivière-du-Loup’s climate

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

Get outside

The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul and Aug.

Parks & trails →

Wind chill

The wind chill passes −20 on about 49 days in a normal year.

Humidex

Muggy heat with a humidex over 30 arrives on about 16 days a year.

Storms and extremes

A typical year is calm by definition; Rivière-du-Loup’s hazards page covers the exceptions.

Flood & hazards →

Weather station

ECCC’s normals location: Rivière-du-Loup/St-Antonin

Rivière-du-Loup/St-Antonin is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.

Distance from the town	2.6 km south-west
Station altitude	147 m
Completeness	at least 20 years
WMO standard normals	No
Precipitation from	Grandes-Bergeronnes, 47 km
Coldest reading, 1991–2020	−31.3°C
Hottest reading, 1991–2020	34.2°C
Average wind	9.8 km/h on average, most often from the north
Next-nearest location	Grandes-Bergeronnes, 47 km

Compared with other towns

How Rivière-du-Loup 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 afternoons22.5°C

Rivière-du-LoupMedian Canadian town

18°C20°C22°C24°C26°C28°C

Cooler than 96% of Canadian towns

January nights−15.5°C

Rivière-du-LoupMedian Canadian town

−30°C−25°C−20°C−15°C−10°C−5°C

Colder than 73% of Canadian towns

Rain and snow a year1,124 mm

Rivière-du-LoupMedian Canadian town

05001,0001,5002,000

Wetter than 83% of Canadian towns

Snowfall a year281 cm

Rivière-du-LoupMedian Canadian town

100200300400

Snowier than 91% of Canadian towns

Next door

Nearby towns’ climate

Nearby places read from a different ECCC location (places on Rivière-du-Loup’s own would show the same figures). The nearest places to Rivière-du-Loup with figures are 39–49 km away.

Town	July high	January low	Rain & snow
Rivière-du-Loup Rivière-du-Loup/St-Antonin	22.5°C	−15.5°C	1,124 mm
Saint-Pascal 39 km · La Pocatière	24.2°C 1.7°C warmer	−15.3°C about the same	906 mm
Notre-Dame-des-Neiges 39 km · Grandes-Bergeronnes	22.3°C about the same	−16.6°C 1.1°C colder	1,124 mm

Month by month

Rivière-du-Loup 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	−7.3°C	−15.5°C	−11.4°C	63 mm	51 cm
February	−6.1°C	−14.4°C	−10.2°C	68 mm	64 cm
March	−0.8°C	−9.0°C	−4.9°C	74 mm	52 cm
April	6.0°C	−1.9°C	2.1°C	98 mm	21 cm
May	14.2°C	4.2°C	9.3°C	96 mm	1 cm
June	19.7°C	9.4°C	14.5°C	101 mm	0 cm
July	22.5°C	12.8°C	17.7°C	113 mm	0 cm
August	21.8°C	12.2°C	17.0°C	111 mm	0 cm
September	17.2°C	7.9°C	12.5°C	110 mm	0 cm
October	9.6°C	2.2°C	5.9°C	124 mm	5 cm
November	2.8°C	−3.3°C	−0.3°C	78 mm	22 cm
December	−3.7°C	−10.4°C	−7.1°C	86 mm	66 cm
Year	8.0°C	−0.5°C	3.8°C	1,124 mm	281 cm

Year to year

A March here can run from −25.8°C to 21.1°C

February is the least predictable month: about two years in three its average lands within 2.8°C of the normal, −10.2°C. August is the steadiest, within 1.0°C.

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Rivière-du-Loup’s numbers come from

Averages over 30 years, not a forecast.

Normals: ECCC’s 1991–2020 Canadian Climate Normals for Rivière-du-Loup/St-Antonin, the nearest location with a full year of temperatures.
Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
Comparisons: the 2,500-plus towns and neighbourhoods of Canada, each read from its closest normals location; whole cities and reserves aren’t counted.
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 Rivière-du-Loup’s climate

How warm does Rivière-du-Loup get in summer?

Afternoons average 22.5°C in July, the warmest time of year.

How cold does Rivière-du-Loup get in winter?

Of all twelve months, January has the coldest nights, about −15.5°C.

How much rain and snow does Rivière-du-Loup get?

1,124 mm a year counting snow as water. The wettest month is October (124 mm); the driest, January (63 mm).

Are these figures for Rivière-du-Loup itself?

Yes. Rivière-du-Loup/St-Antonin, where ECCC’s 1991–2020 normals were measured, lies within Rivière-du-Loup.

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

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).