Climate in Mount Pleasant · ECCC 1991–2020 normals

Dry weather: only 445 mm of rain and snow a year falls on Mount Pleasant, less than on 82% of Canadian towns

The warmest part of a July day comes in at 23.5°C on average. In July, afternoons here are cooler than in 80% of Canadian towns. Rain or snow is most frequent in June and least in January. About 72 days a year bring 1 mm of precipitation or more.

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

Read at Calgary (Airport), 6.5 km north-east: ECCC’s normals for 1991–2020.

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 Mount Pleasant 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 Mount Pleasant’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 Mount Pleasant 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

From September to May frost is routine, and in December it comes on almost 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

Rain and melted snow: about 445 mm a year

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

Snowfall: about 139 cm in a normal 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 Mount Pleasant

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

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 68% of Canadian towns.

Living here

Living with Mount Pleasant’s climate

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

The garden window

Between the last frost, near 21 May, and the first, near 18 September, lie about 119 frost-free days.

Get outside

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

Parks & trails →

Wind chill

Winter brings about 42 days with a wind chill below −20.

Humidex

On some 9 days a year the humidex climbs past 30.

Storms and extremes

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

Flood & hazards →

Weather station

ECCC’s normals location: Calgary (Airport)

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

Distance from the town	6.5 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, 89 km

Compared with other towns

How Mount Pleasant compares

Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Alberta.

July afternoons23.5°C

Mount PleasantMedian Canadian town

20°C22°C24°C26°C28°C

Cooler than 80% of Canadian towns

January nights−13.5°C

Mount PleasantMedian Canadian town

−25°C−20°C−15°C−10°C

Milder than 51% of Canadian towns

Rain and snow a year445 mm

Mount PleasantMedian Canadian town

05001,0001,500

Drier than 82% of Canadian towns

Snowfall a year139 cm

Mount PleasantMedian Canadian town

0100200300

Less snowy than 54% of Canadian towns

Next door

Nearby towns’ climate

The nearest places on a normals location of their own: those that share Mount Pleasant’s would only repeat its figures. The nearest places to Mount Pleasant with figures are 53–74 km away.

Town	July high	January low	Rain & snow
Mount Pleasant Calgary (Airport)	23.5°C	−13.5°C	445 mm
Carstairs 53 km · Sundre	22.8°C 0.7°C cooler	−18.0°C 4.5°C colder	496 mm
Stoney 142, 143, 144 55 km · Banff	22.5°C 1.0°C cooler	−13.5°C about the same	454 mm
Wheatland County 59 km · Queenstown	25.0°C 1.5°C warmer	−13.7°C about the same	412 mm

Month by month

Mount Pleasant 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	−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

Two years in three, February’s average lands within 4.1°C of normal, against the steadier June

Bars run from each month’s record low to its record high since 1991. December spans the most, from −38.2°C (1996) to 19.5°C (1999).

−50°

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Mount Pleasant’s numbers come from

Averages over 30 years, not a forecast.

Normals: 1991–2020 normals for Calgary (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
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, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.

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

Questions about Mount Pleasant’s climate

How warm does Mount Pleasant get in summer?

In July, the warmest month, the typical high is 23.5°C.

How cold does Mount Pleasant get in winter?

On a normal January night the air drops to −13.5°C, the coldest of the year.

How much rain and snow does Mount Pleasant get?

Precipitation totals 445 mm a year, with June the wettest month (113 mm) and January the driest (10 mm).

How long does snow stay on the ground?

Around 93 days a year see 1 cm of snow or more lying.

Are these figures for Mount Pleasant itself?

They are the normals for Calgary (Airport), measured just outside Mount Pleasant itself.

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

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).