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Climate in Jasper Park · ECCC 1991–2020 normals

Dry weather: only 423 mm of rain and snow a year falls on Jasper Park, less than on 90% of Canadian towns

On a normal July day the thermometer tops out near 23.5°C. The gap between a January night and a July afternoon is 38°C. Its July afternoons stay fresher than in 80% of Canadian towns. Expect about 179 frosty starts a year, days when the air falls to freezing.

July afternoons: cooler than 80% of Canadian towns
January nights: colder than 67% of Canadian towns
Rain and snow a year: drier than 90% of Canadian towns

1991–2020 normals from ECCC’s Edmonton (City) location, 6.4 km north-east.

A year in Jasper Park at a glance

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

Jan−6°C−15°CColdest nightsSnowiest
Feb−3°C−13°C
Mar2°C−8°C
Apr10°C−1°C
May18°C6°CLast frost ~7 May
Jun21°C10°C
Jul24°C13°CWarmestWettest
Aug23°C11°C
Sep18°C6°CFirst frost ~25 Sep
Oct10°C0°C
Nov now1°C−8°C
Dec−5°C−13°C

What stands out about Jasper Park’s climate

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

A normal year

What a year in Jasper Park feels like

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

Winter
−5°C / −14°C
43 mm, with 53 cm of snow
Spring
10°C / −1°C
90 mm, with 39 cm of snow
Summer
22°C / 11°C
213 mm of rain and snow, the wettest season
Autumn
9°C / 0°C
77 mm, with 32 cm of snow
Best months to be outsideJunJulAugHighs of 17–27°C and nights of 8°C or more
Frost & warm days

Frost on 179 days, 20°C on 90

Frost comes from September to May; in January almost every night freezes. Deep cold, under −20°C, comes on about 24 nights a year.

179
Frost days a year (0°C or below)
More frosts than 67% of Canadian towns
86
Days that stay below 0°C
24
Nights a year below −20°C
90
Days a year above 20°C
4
Days a year above 30°C

Frost days by month

Average days at 0°C or below

31
JFMAMJJASOND

Days above 20°C by month

Average days

25
JFMAMJJASOND
Rain & snow

About 423 mm of rain and snow a year

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

423 mm
Rain and snow a year
Drier than 90% of Canadian towns
329 mm
Of it as rain alone (78%)
83 mm
July, the wettest month
12 mm
February, the driest month

Rain and snow by month

Millimetres

83 mm
JFMAMJJASOND

Rain alone by month

Millimetres

78 mm
JFMAMJJASOND
Snow

Snowfall: about 124 cm in a normal year

From October to May snow is likely; January is the peak, at about 26 cm.

124 cm
Snowfall a year
Less snowy than 71% of Canadian towns
49
Days a year with 0.2 cm of snow or more
21 cm
Snow on the ground at the end of January, the deepest month

Snowfall by month

Centimetres

26 cm
JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

21 cm
JFMAMJJASOND
Heating

Heating a home in Jasper Park

89% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.

5,126 heating degree days (below 18°C)a year, 1991–2020
1,648 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. That means homes here need more heating than 76% of Canadian towns.

Living here

Living with Jasper Park’s climate

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

The garden window

Gardens get from about 7 May to 25 September without frost, around 141 days in all.

Get outside

Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Jul and Aug.

Parks & trails →
Wind chill

The wind chill passes −20 on about 50 days in a normal year.

Humidex

Plan shade and water for about 11 days a year above 30 on the humidex.

Storms and extremes

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

Flood & hazards →
Weather station

ECCC’s normals location: Edmonton (City)

Behind the 1991–2020 normals for Edmonton (City) are 3 stations, which ECCC combines into one record.

Distance from the town6.4 km north-east
Station altitude671 m
Completenessmeets the WMO “3 and 5” rule
WMO standard normalsNo
Coldest reading, 1991–2020−37.8°C
Hottest reading, 1991–202034.9°C
Average wind12.2 km/h on average, most often from the west
Next-nearest locationEdmonton (Airport), 23 km
Compared with other towns

How Jasper Park 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
Jasper ParkMedian Canadian town
20°C22°C24°C26°C28°C
Cooler than 80% of Canadian towns
January nights−14.7°C
Jasper ParkMedian Canadian town
−25°C−20°C−15°C−10°C
Colder than 67% of Canadian towns
Rain and snow a year423 mm
Jasper ParkMedian Canadian town
05001,0001,500
Drier than 90% of Canadian towns
Snowfall a year124 cm
Jasper ParkMedian Canadian town
0100200300
Less snowy than 71% of Canadian towns
Next door

Nearby towns’ climate

Places around Jasper Park whose figures come from another normals location. Jasper Park has few close neighbours with figures, so the list reaches 21–30 km out.

TownJuly highJanuary lowRain & snow
Jasper Park Edmonton (City)23.5°C−14.7°C423 mm
Devon 21 km · Edmonton (Airport)23.0°C 0.5°C cooler−18.1°C 3.4°C colder434 mm
Fort Saskatchewan 29 km · Fort Saskatchewan23.6°C about the same−17.8°C 3.1°C colder473 mm
Month by month

Jasper Park weather by month

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

MonthHighLowMeanRain & snowSnow
January−5.8°C−14.7°C−10.3°C20 mm26 cm
February−3.0°C−12.7°C−7.9°C12 mm13 cm
March1.7°C−7.8°C−3.1°C17 mm19 cm
April10.4°C−0.7°C4.9°C29 mm15 cm
May17.5°C5.6°C11.6°C44 mm5 cm
June21.0°C10.2°C15.6°C70 mm0 cm
July23.5°C12.6°C18.1°C83 mm0 cm
August22.6°C11.3°C17.0°C61 mmunder 1 cm
September17.6°C6.2°C11.9°C39 mm1 cm
October10.0°C−0.1°C5.0°C21 mm11 cm
November0.6°C−7.5°C−3.5°C18 mm20 cm
December−4.7°C−13.2°C−9.0°C12 mm15 cm
Year9.3°C−0.9°C4.2°C423 mm124 cm
Year to year

March: −34.0°C at its coldest, 23.9°C at its warmest

From one year to the next, February’s average typically shifts by 4.2°C around its normal of −7.9°C, the widest of any month, while June’s shifts by 1.0°C.

Record low to record high, 1991–2020Normal
Sources

Where Jasper Park’s numbers come from

Averages over 30 years, not a forecast.

  • Normals: the 1991–2020 normals from ECCC for Edmonton (City), its nearest location with complete temperatures.
  • Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
  • Not on this page: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.

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

Questions about Jasper Park’s climate

How warm does Jasper Park get in summer?

Of all twelve months, July has the warmest afternoons, about 23.5°C.

How cold does Jasper Park get in winter?

Expect nights around −14.7°C in January; no month is colder.

How much rain and snow does Jasper Park get?

The year adds up to 423 mm. July is the peak month (83 mm) and February the low one (12 mm).

Are these figures for Jasper Park itself?

They are the normals for Edmonton (City), measured just outside Jasper Park itself.

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

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).