Climate in Killarney/Glengarry · ECCC 1991–2020 normals

Killarney/Glengarry is drier than 82% of Canadian towns: 445 mm of rain and snow a year

The depth of winter brings overnight lows near −13.5°C. Some 37°C separates winter nights from summer afternoons. In July, afternoons here are cooler than in 80% 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: milder than 51% of Canadian towns

Rain and snow a year: drier than 82% of Canadian towns

Environment and Climate Change Canada’s 1991–2020 normals at its Calgary (Airport) station, 13 km north-east.

July high

23.5°C

Typical Canadian town 25.5°C

January low

−13.5°C

Typical Canadian town −13.5°C

Rain & snow a year

445 mm

Typical Canadian town 883 mm

Snowfall a year

139 cm

Typical Canadian town 141 cm

Frost days

193

a year at 0°C or below

Frost-free days

119

21 May to 18 Sep

A year in Killarney/Glengarry at a glance

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

Jan−2°C−14°CColdest nights

Feb0°C−12°C

Mar4°C−8°CSnowiest

Apr11°C−2°C

May16°C3°CLast frost ~21 May

Jun20°C8°CWettest

Jul24°C10°CWarmest

Aug23°C9°C

Sep18°C5°CFirst frost ~18 Sep

Oct11°C−1°C

Nov now4°C−8°C

Dec0°C−12°C

What stands out about Killarney/Glengarry’s climate

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

Drier than 82% of Canadian townsAbout 445 mm of rain and melted snow a year; June is the wettest month and January 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 Killarney/Glengarry feels like

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

Winter

−1°C / −12°C

34 mm, with 50 cm of snow

Spring

10°C / −2°C

108 mm, with 56 cm of snow

Summer

22°C / 9°C

232 mm of rain and snow, the wettest season

Autumn

11°C / −1°C

71 mm, with 33 cm of snow

−20°

−10°

0°

10°

20°

30°

−2°C−14°C

0°C−12°C

4°C−8°C

11°C−2°C

16°C3°C

20°C8°C

24°C10°C

23°C9°C

18°C5°C

11°C−1°C

4°C−8°C

0°C−12°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

Frost on 193 days, 20°C on 87

The frost season runs September to May, and December freezes nearly every night. Some 22 nights a year drop under −20°C.

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

21 May 18 Sep

JanFebMarAprMayJunJulAugSepOctNovDec

193

Frost days a year (0°C or below)

More frosts than 79% 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

445 mm of precipitation in a typical year

June is the wettest month and January the driest. About 72 days a year bring 1 mm or more.

445 mm

Rain and snow a year

Drier than 82% of Canadian towns

342 mm

Of it as rain alone (77%)

113 mm

June, the wettest month

10 mm

January, the driest month

Rain and snow by month

Millimetres

113 mm

JFMAMJJASOND

Rain alone by month

Millimetres

113 mm

JFMAMJJASOND

Snow

About 139 cm of snow a year

Snow falls from September to May, most of all in March (about 24 cm).

139 cm

Snowfall a year

Less snowy than 54% of Canadian towns

Days a year with 0.2 cm of snow or more

Days a year with 1 cm or more on the ground

6 cm

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

Snowfall by month

Centimetres

24 cm

JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

6 cm

JFMAMJJASOND

Heating

Heating a home in Killarney/Glengarry

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

4,994 heating degree days (below 18°C)a year, 1991–2020

1,448 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. By this count, homes here need more heating than 68% of Canadian towns.

Living here

Living with Killarney/Glengarry’s climate

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

The garden window

Tender plants are usually safe from around 21 May until frost returns near 18 September: about 119 days.

Get outside

The outdoor season by the averages is Jul and Aug, with highs of 17–27°C and lows of 8°C or more.

Parks & trails →

Wind chill

Roughly 42 days a year feel colder than −20 in the wind.

Humidex

The air feels heavier than 30 on the humidex for about 9 days a year.

Storms and extremes

A typical year is calm by definition; Killarney/Glengarry’s hazards page covers the exceptions.

Flood & hazards →

Weather station

ECCC’s normals location: Calgary (Airport)

Behind the 1991–2020 normals for Calgary (Airport) are 2 stations, which ECCC combines into one record.

Distance from the town	13 km north-east
Station altitude	1,099 m
Completeness	at least 20 years
WMO standard normals	No
Coldest reading, 1991–2020	−39.7°C
Hottest reading, 1991–2020	36.5°C
Average wind	13.8 km/h on average, most often from the south
Next-nearest location	Sundre, 91 km

Compared with other towns

How Killarney/Glengarry 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 Alberta.

July afternoons23.5°C

Killarney/GlengarryMedian Canadian town

20°C22°C24°C26°C28°C

Cooler than 80% of Canadian towns

January nights−13.5°C

Killarney/GlengarryMedian Canadian town

−25°C−20°C−15°C−10°C

Milder than 51% of Canadian towns

Rain and snow a year445 mm

Killarney/GlengarryMedian Canadian town

05001,0001,500

Drier than 82% of Canadian towns

Snowfall a year139 cm

Killarney/GlengarryMedian Canadian town

0100200300

Less snowy than 54% of Canadian towns

Next door

Nearby towns’ climate

Places around Killarney/Glengarry whose figures come from another normals location. No closer places have figures: these lie 53–72 km from Killarney/Glengarry.

Town	July high	January low	Rain & snow
Killarney/Glengarry Calgary (Airport)	23.5°C	−13.5°C	445 mm
Stoney 142, 143, 144 53 km · Banff	22.5°C 1.0°C cooler	−13.5°C about the same	454 mm
Carstairs 58 km · Sundre	22.8°C 0.7°C cooler	−18.0°C 4.5°C colder	496 mm
Wheatland County 63 km · Queenstown	25.0°C 1.5°C warmer	−13.7°C about the same	412 mm

Month by month

Killarney/Glengarry 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	−1.5°C	−13.5°C	−7.6°C	10 mm	17 cm
February	0.1°C	−11.8°C	−5.9°C	12 mm	17 cm
March	3.8°C	−8.1°C	−2.2°C	18 mm	24 cm
April	10.8°C	−1.9°C	4.5°C	30 mm	23 cm
May	16.4°C	3.4°C	9.9°C	61 mm	10 cm
June	19.7°C	7.7°C	13.7°C	113 mm	under 1 cm
July	23.5°C	10.2°C	16.9°C	66 mm	0 cm
August	23.1°C	9.2°C	16.2°C	54 mm	0 cm
September	18.3°C	4.7°C	11.5°C	37 mm	2 cm
October	11.1°C	−1.3°C	4.9°C	17 mm	12 cm
November	4.1°C	−7.5°C	−1.7°C	16 mm	19 cm
December	−0.4°C	−12.1°C	−6.3°C	13 mm	16 cm
Year	10.8°C	−1.8°C	4.5°C	445 mm	139 cm

Year to year

In December, anything from −38.2°C to 19.5°C

Bars run from each month’s record low to its record high over 1991–2020; February is the month whose average wanders most from year to year (±4.1°C around −5.9°C), June the one that wanders least (±1.1°C).

−50°

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Killarney/Glengarry’s numbers come from

Averages over 30 years, not a forecast.

Normals: the Canadian Climate Normals, 1991–2020, at Calgary (Airport) (the closest location with all twelve months of temperatures).
Comparisons: every place of 2,500+ in Canada but the city hubs and the reserves, each on its nearest ECCC location.
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 Killarney/Glengarry’s climate

How warm does Killarney/Glengarry get in summer?

On a normal day in July the thermometer climbs to 23.5°C, the warmest of the year.

How cold does Killarney/Glengarry get in winter?

At its coldest, in January, the normal low is −13.5°C.

How much rain and snow does Killarney/Glengarry get?

Count on roughly 445 mm a year, heaviest in June (113 mm) and lightest in January (10 mm).

How long does snow stay on the ground?

Expect snow on the ground, at least 1 cm, for about 93 days a year.

Are these figures for Killarney/Glengarry itself?

Almost: ECCC’s Calgary (Airport) location, which gives these figures, lies a short way outside Killarney/Glengarry.

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

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).