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Climate in Les Rapides · ECCC 1991–2020 normals

Summer arrives in force in Les Rapides, hotter than in 78% of Canadian towns

January mornings start at about −14.0°C. June is the wettest month, February the driest. Rain and snow together come to more here than on 60% of Canadian towns. Ice scrapers and block heaters earn their keep on roughly 147 days a year at 0°C or below.

July afternoons: warmer than 78% of Canadian towns
January nights: colder than 58% of Canadian towns
Rain and snow a year: wetter than 60% of Canadian towns

Borrowed figures: Les Rapides has no normals station, so these come from Ottawa (City), 13 km south.

A year in Les Rapides at a glance

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

Jan−5°C−14°CColdest nightsSnowiest
Feb−3°C−13°C
Mar3°C−7°C
Apr11°C1°CLast frost ~30 Apr
May19°C8°C
Jun24°C13°CWettest
Jul27°C16°CWarmest
Aug26°C15°C
Sep21°C10°C
Oct13°C4°CFirst frost ~6 Oct
Nov now6°C−2°C
Dec−2°C−9°C

What stands out about Les Rapides’s climate

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

A normal year

What a year in Les Rapides feels like

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

Winter
−3°C / −12°C
191 mm, with 128 cm of snow
Spring
11°C / 1°C
223 mm, with 38 cm of snow
Summer
26°C / 15°C
275 mm of rain and snow, the wettest season
Autumn
13°C / 4°C
249 mm, with 18 cm of snow
Best months to be outsideMayJunJulAugSepHighs of 17–27°C and nights of 8°C or more
Frost & warm days

About 147 frosts and 121 warm days a year

The frost season runs October to April, and January freezes nearly every night. Some 15 nights a year drop under −20°C.

147
Frost days a year (0°C or below)
Fewer frosts than 60% of Canadian towns
74
Days that stay below 0°C
15
Nights a year below −20°C
121
Days a year above 20°C
13
Days a year above 30°C

Frost days by month

Average days at 0°C or below

30
JFMAMJJASOND

Days above 20°C by month

Average days

30
JFMAMJJASOND
Rain & snow

938 mm of precipitation in a typical year

About 120 days a year bring 1 mm or more.

938 mm
Rain and snow a year
Wetter than 60% of Canadian towns
772 mm
Of it as rain alone (82%)
95 mm
June, the wettest month
52 mm
February, the driest month

Rain and snow by month

Millimetres

95 mm
JFMAMJJASOND

Rain alone by month

Millimetres

95 mm
JFMAMJJASOND
Snow

Snowfall: about 185 cm in a normal year

Snow falls from October to April, most of all in January (about 45 cm).

185 cm
Snowfall a year
Snowier than 67% of Canadian towns
49
Days a year with 0.2 cm of snow or more
115
Days a year with 1 cm or more on the ground
25 cm
Snow on the ground at the end of February, the deepest month

Snowfall by month

Centimetres

45 cm
JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

25 cm
JFMAMJJASOND
Heating

Heating a home in Les Rapides

93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.

4,339 heating degree days (below 18°C)a year, 1991–2020
2,224 growing degree days (above 5°C)a year, 1991–2020

ECCC sums, over the year, how many degrees each day’s average falls short of 18°C.

Living here

Living with Les Rapides’s climate

What the normals mean for a garden, a day outside and the depth of winter.

The garden window

Frost usually lets go around 30 April and returns near 6 October, about 158 days apart.

Get outside

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

Parks & trails →
Wind chill

Frostbite weather, a wind chill under −20, turns up on about 39 days a year.

Humidex

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

Storms and extremes

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

Flood & hazards →
Weather station

ECCC’s normals location: Ottawa (City)

Ottawa (City) is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.

Distance from the town13 km south
Station altitude79 m
Completenessmeets the WMO “3 and 5” rule
WMO standard normalsYes
Coldest reading, 1991–2020−32.2°C
Hottest reading, 1991–202037.3°C
Average wind11.5 km/h on average, most often from the west
Next-nearest locationAngers, 16 km
Compared with other towns

How Les Rapides 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
Les RapidesMedian Canadian town
18°C20°C22°C24°C26°C28°C
Warmer than 78% of Canadian towns4th warmest of 513 towns of 2,500+ in Quebec
January nights−14.0°C
Les RapidesMedian Canadian town
−30°C−25°C−20°C−15°C−10°C−5°C
Colder than 58% of Canadian towns
Rain and snow a year938 mm
Les RapidesMedian Canadian town
05001,0001,5002,000
Wetter than 60% of Canadian towns
Snowfall a year185 cm
Les RapidesMedian Canadian town
100200300400
Snowier than 67% of Canadian towns
Next door

Nearby towns’ climate

Places around Les Rapides whose figures come from another normals location. Les Rapides has few close neighbours with figures, so the list reaches 7–26 km out.

TownJuly highJanuary lowRain & snow
Les Rapides Ottawa (City)26.7°C−14.0°C938 mm
Cantley 6.9 km · Angers26.2°C 0.5°C cooler−16.5°C 2.5°C colder938 mm
Chelsea 8.7 km · Luskville26.9°C about the same−16.0°C 2.0°C colder968 mm
Month by month

Les Rapides weather by month

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

MonthHighLowMeanRain & snowSnow
January−5.2°C−14.0°C−9.6°C65 mm45 cm
February−3.3°C−12.9°C−8.1°C52 mm41 cm
March2.5°C−6.9°C−2.2°C62 mm31 cm
April11.2°C1.1°C6.2°C81 mm8 cm
May19.4°C8.0°C13.8°C80 mm0 cm
June24.2°C13.3°C18.8°C95 mm0 cm
July26.7°C15.8°C21.3°C92 mm0 cm
August25.6°C14.6°C20.1°C87 mm0 cm
September21.1°C10.1°C15.6°C87 mm0 cm
October13.3°C4.1°C8.8°C90 mm2 cm
November5.8°C−1.8°C2.0°C72 mm16 cm
December−1.5°C−8.7°C−5.1°C74 mm43 cm
Year11.7°C1.9°C6.8°C938 mm185 cm
Year to year

A March here can run from −28.5°C to 26.5°C

Bars run from each month’s record low to its record high over 1991–2020; January is the month whose average wanders most from year to year (±3.1°C around −9.6°C), June the one that wanders least (±1.1°C).

Record low to record high, 1991–2020Normal
Sources

Where Les Rapides’s numbers come from

Averages over 30 years, not a forecast.

  • Normals: 1991–2020 normals for Ottawa (City) from ECCC’s climate data site, the nearest location with every month of temperature.
  • 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, 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 Les Rapides’s climate

How warm does Les Rapides get in summer?

In July, the warmest month, the typical high is 26.7°C.

How cold does Les Rapides get in winter?

Midwinter means January, when a typical night reaches −14.0°C.

How much rain and snow does Les Rapides get?

Rain and snow, with snow counted as water, total 938 mm a year; June leads with 95 mm and February trails with 52 mm.

How long does snow stay on the ground?

Roughly 115 days a year start with snow cover of 1 cm or more.

Are these figures for Les Rapides itself?

No: Les Rapides has no normals location, so the figures come from Ottawa (City), the nearest with 1991–2020 normals.

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

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).