Photo: Quintin Soloviev · CC BY 4.0

Climate in Carleton Place · ECCC 1991–2020 normals

Carleton Place has warmer summer afternoons than 88% of Canadian towns

The coldest hours of a January night bottom out at −14.2°C on average. Winter and summer sit 41°C apart. Precipitation is plentiful here, more than falls on 62% of Canadian towns. Plan for rain or snow on about 123 days a year, the days with 1 mm or more.

July afternoons: warmer than 88% of Canadian towns

January nights: colder than 61% of Canadian towns

Rain and snow a year: wetter than 62% of Canadian towns

Carleton Place has no ECCC normals station of its own: every figure here comes from Drummond Centre, 15 km south-west.

July high

27.1°C

Typical Canadian town 25.5°C

January low

−14.2°C

Typical Canadian town −13.5°C

Rain & snow a year

939 mm

Typical Canadian town 883 mm

Snowfall a year

187 cm

Typical Canadian town 141 cm

Frost days

163

a year at 0°C or below

A year in Carleton Place at a glance

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

Jan−5°C−14°CColdest nightsSnowiest

Feb−2°C−14°C

Mar4°C−7°C

Apr12°C0°C

May20°C7°C

Jun24°C12°C

Jul27°C14°CWarmest

Aug26°C13°C

Sep21°C9°CWettest

Oct13°C4°C

Nov now6°C−2°C

Dec−1°C−9°C

What stands out about Carleton Place’s climate

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

Warmer than 88% of Canadian townsJuly afternoons average 27.1°C, the warmest of the year.A wider year than 76% of Canadian townsFrom January nights to July afternoons, the year spans 41.3°C.

A normal year

What a year in Carleton Place feels like

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

Winter

−3°C / −12°C

204 mm, with 129 cm of snow

Spring

12°C / 0°C

214 mm, with 39 cm of snow

Summer

26°C / 13°C

267 mm of rain and snow, the wettest season

Autumn

13°C / 3°C

253 mm, with 19 cm of snow

−20°

−10°

0°

10°

20°

30°

40°

−5°C−14°C

−2°C−14°C

4°C−7°C

12°C0°C

20°C7°C

24°C12°C

27°C14°C

26°C13°C

21°C9°C

13°C4°C

6°C−2°C

−1°C−9°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

Frost on 163 days, 20°C on 121

From September to May frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 19 nights a year.

163

Frost days a year (0°C or below)

More frosts than 54% of Canadian towns

Days that stay below 0°C

Nights a year below −20°C

121

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 939 mm of rain and snow a year

September is the wettest month and February the driest.

939 mm

Rain and snow a year

Wetter than 62% of Canadian towns

752 mm

Of it as rain alone (80%)

91 mm

September, the wettest month

57 mm

February, the driest month

Rain and snow by month

Millimetres

91 mm

JFMAMJJASOND

Rain alone by month

Millimetres

91 mm

JFMAMJJASOND

Snow

187 cm of snow in a typical year

Expect snow from October to April, with about 46 cm in January, the snowiest month.

187 cm

Snowfall a year

Snowier than 69% of Canadian towns

Days a year with 0.2 cm of snow or more

116

Days a year with 1 cm or more on the ground

32 cm

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

Snowfall by month

Centimetres

46 cm

JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

32 cm

JFMAMJJASOND

Heating

Heating a home in Carleton Place

92% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.

4,419 heating degree days (below 18°C)a year, 1991–2020

2,120 growing degree days (above 5°C)a year, 1991–2020

Each day the mean sits under 18°C adds its shortfall; a year’s total is its heating degree days.

Living here

Living with Carleton Place’s climate

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

Get outside

Highs of 17–27°C with nights of 8°C or more come in Jun, Aug and Sep.

Parks & trails →

Storms and extremes

A typical year is calm by definition; Carleton Place’s hazards page covers the exceptions.

Flood & hazards →

Weather station

ECCC’s normals location: Drummond Centre

The page’s figures are ECCC’s 1991–2020 normals for Drummond Centre, one of its 450 normals locations.

Distance from the town	15 km south-west
Station altitude	145 m
Completeness	meets the WMO “3 and 5” rule
WMO standard normals	No
Coldest reading, 1991–2020	−36.0°C
Hottest reading, 1991–2020	37.0°C
Next-nearest location	Ottawa (Airport), 42 km

Compared with other towns

How Carleton Place 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 Ontario.

July afternoons27.1°C

Carleton PlaceMedian Canadian town

20°C22°C24°C26°C28°C30°C

Warmer than 88% of Canadian towns

January nights−14.2°C

Carleton PlaceMedian Canadian town

−25°C−20°C−15°C−10°C−5°C

Colder than 61% of Canadian towns

Rain and snow a year939 mm

Carleton PlaceMedian Canadian town

05001,0001,5002,000

Wetter than 62% of Canadian towns

Snowfall a year187 cm

Carleton PlaceMedian Canadian town

0100200300400

Snowier than 69% of Canadian towns

Next door

Nearby towns’ climate

Places around Carleton Place whose figures come from another normals location. The nearest places to Carleton Place with figures are 37–41 km away.

Town	July high	January low	Rain & snow
Carleton Place Drummond Centre	27.1°C	−14.2°C	939 mm
Merrickville 37 km · Kemptville	26.8°C about the same	−14.0°C about the same	925 mm
Arnprior 37 km · Luskville	26.9°C about the same	−16.0°C 1.8°C colder	968 mm
McNab/Braeside 38 km · Charteris	26.4°C 0.7°C cooler	−16.9°C 2.7°C colder	968 mm

Month by month

Carleton Place weather by month

Month by month, 1991–2020: the usual high, low and mean, the rain and snow, and the snowfall.

Month	High	Low	Mean	Rain & snow	Snow
January	−4.6°C	−14.2°C	−9.5°C	74 mm	46 cm
February	−2.3°C	−13.5°C	−8.0°C	57 mm	40 cm
March	3.7°C	−7.3°C	−1.9°C	62 mm	27 cm
April	11.6°C	0.1°C	5.9°C	78 mm	11 cm
May	19.8°C	6.8°C	13.2°C	74 mm	under 1 cm
June	24.4°C	11.9°C	18.1°C	89 mm	0 cm
July	27.1°C	14.3°C	20.7°C	89 mm	0 cm
August	25.8°C	13.2°C	19.5°C	88 mm	0 cm
September	21.2°C	9.1°C	15.2°C	91 mm	0 cm
October	13.3°C	3.5°C	8.4°C	87 mm	2 cm
November	5.9°C	−2.4°C	1.8°C	75 mm	17 cm
December	−1.2°C	−9.0°C	−5.1°C	74 mm	43 cm
Year	12.1°C	1.0°C	6.5°C	939 mm	187 cm

Year to year

January strays furthest from its normal year to year, by 3.0°C; June the least

The thirty-year records stretch furthest in March: a low of −33.0°C in 2007 and a high of 27.0°C in 2012.

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Carleton Place’s numbers come from

Averages over 30 years, not a forecast.

Normals: Environment and Climate Change Canada’s 1991–2020 normals, Drummond Centre: the nearest of its locations with every month’s temperatures.
Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
Not on this page: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.

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

Questions about Carleton Place’s climate

How warm does Carleton Place get in summer?

The year’s warmest days come in July, with highs averaging 27.1°C.

How cold does Carleton Place get in winter?

January nights average −14.2°C, the coldest of the year.

How much rain and snow does Carleton Place get?

939 mm a year counting snow as water. The wettest month is September (91 mm); the driest, February (57 mm).

How long does snow stay on the ground?

Count on about 116 days of snow cover a year, 1 cm or deeper.

Are these figures for Carleton Place itself?

Only indirectly: the readings are made at Drummond Centre, outside Carleton Place.

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

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).