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Climate in Improvement District No. 9 Banff · ECCC 1991–2020 normals

Few Canadian towns get more frosts than Improvement District No. 9 Banff

In July the day’s top temperature is typically 22.5°C. A year here swings 36°C from midwinter lows to midsummer highs. Summers stay cool: July afternoons here are cooler than in 96% of Canadian towns. About 91 days a year bring 1 mm of precipitation or more.

July afternoons: cooler than 96% of Canadian towns
January nights: milder than 51% of Canadian towns
Rain and snow a year: drier than 78% of Canadian towns

Measured at Banff, 49 km south-east: ECCC’s normals for 1991–2020.

A year in Improvement District No. 9 Banff at a glance

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

Jan−4°C−14°CColdest nights
Feb−1°C−13°C
Mar4°C−8°C
Apr9°C−4°CSnowiest
May14°C1°C
Jun18°C4°CWettestLast frost ~19 Jun
Jul23°C7°CWarmest
Aug22°C6°CFirst frost ~23 Aug
Sep17°C2°C
Oct9°C−2°C
Nov now1°C−8°C
Dec−5°C−13°C

What stands out about Improvement District No. 9 Banff’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 Improvement District No. 9 Banff feels like

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

Winter
−3°C / −13°C
60 mm, with 65 cm of snow
Spring
9°C / −4°C
119 mm, with 68 cm of snow
Summer
21°C / 6°C
167 mm of rain and snow, the wettest season
Autumn
9°C / −3°C
109 mm, with 50 cm of snow
Best months to be outsideNo month has highs of 17°C or more with nights of 8°C or more: summers here are cool.
Frost & warm days

About 220 frosts and 67 warm days a year

From August to June frost is routine, and in December it comes on almost every night. Some 23 nights a year drop under −20°C.

220
Frost days a year (0°C or below)
More frosts than almost every Canadian town
80
Days that stay below 0°C
23
Nights a year below −20°C
67
Days a year above 20°C
3
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

22
JFMAMJJASOND
Rain & snow

Rain and melted snow: about 454 mm a year

June is the wettest month and February the driest.

454 mm
Rain and snow a year
Drier than 78% of Canadian towns
296 mm
Of it as rain alone (65%)
73 mm
June, the wettest month
19 mm
February, the driest month

Rain and snow by month

Millimetres

73 mm
JFMAMJJASOND

Rain alone by month

Millimetres

73 mm
JFMAMJJASOND
Snow

184 cm of snow in a typical year

Snow falls from September to June, most of all in April (about 30 cm). 5th snowiest of 475 towns of 2,500+ in Alberta.

184 cm
Snowfall a year
Snowier than 65% of Canadian towns
63
Days a year with 0.2 cm of snow or more

Snowfall by month

Centimetres

30 cm
JFMAMJJASOND
Heating

Heating a home in Improvement District No. 9 Banff

82% of a year’s heating need falls between October and April. Months averaging under 10°C: September to May.

5,592 heating degree days (below 18°C)a year, 1991–2020
1,052 growing degree days (above 5°C)a year, 1991–2020

Every day colder than 18°C on average adds its gap in degrees to the year’s heating total. In heating terms, homes need more heating than 83% of Canadian towns.

Living here

Living with Improvement District No. 9 Banff’s climate

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

The garden window

Count on about 64 frost-free days: the last frost averages 19 June, the first 23 August.

Get outside

No month here brings highs of 17–27°C together with nights of 8°C or more.

Parks & trails →
Wind chill

The wind chill passes −20 on about 39 days in a normal year.

Humidex

Count on some 3 humid days a year with the humidex past 30.

Storms and extremes

Storms, floods and heat waves sit outside these normals; Improvement District No. 9 Banff’s hazards page covers them.

Flood & hazards →
Weather station

ECCC’s normals location: Banff

Behind the 1991–2020 normals for Banff are 3 stations, which ECCC combines into one record.

Distance from the town49 km south-east
Station altitude1,397 m
Completenessmeets the WMO “3 and 5” rule
WMO standard normalsNo
Coldest reading, 1991–2020−44.2°C
Hottest reading, 1991–202034.2°C
Average wind8.2 km/h on average, most often from the south-west
Next-nearest locationGolden, 61 km
Compared with other towns

How Improvement District No. 9 Banff 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 afternoons22.5°C
Improvement District No. 9 BanffMedian Canadian town
20°C22°C24°C26°C28°C
Cooler than 96% of Canadian towns
January nights−13.5°C
Improvement District No. 9 BanffMedian Canadian town
−25°C−20°C−15°C−10°C
Milder than 51% of Canadian towns
Rain and snow a year454 mm
Improvement District No. 9 BanffMedian Canadian town
05001,0001,500
Drier than 78% of Canadian towns
Snowfall a year184 cm
Improvement District No. 9 BanffMedian Canadian town
0100200300
Snowier than 65% of Canadian towns5th snowiest of 475 towns of 2,500+ in Alberta
Next door

Nearby towns’ climate

Places around Improvement District No. 9 Banff whose figures come from another normals location. Distances here run 61–118 km: that is how far the nearest places with figures are from Improvement District No. 9 Banff.

TownJuly highJanuary lowRain & snow
Improvement District No. 9 Banff Banff22.5°C−13.5°C454 mm
Golden 61 km · Golden25.4°C 2.9°C warmer−10.9°C 2.6°C milder457 mm
Sundre 110 km · Sundre22.8°C about the same−18.0°C 4.5°C colder496 mm
Cochrane 118 km · Calgary (Airport)23.5°C 1.0°C warmer−13.5°C about the same445 mm
Month by month

Improvement District No. 9 Banff weather by month

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

MonthHighLowMeanRain & snowSnow
January−3.5°C−13.5°C−8.5°C19 mm21 cm
February−0.5°C−12.6°C−6.6°C19 mm20 cm
March3.7°C−8.2°C−2.2°C29 mm25 cm
April9.0°C−3.5°C2.8°C39 mm30 cm
May14.3°C0.5°C7.4°C50 mm12 cm
June17.9°C4.4°C11.2°C73 mm2 cm
July22.5°C6.8°C14.7°C47 mmunder 1 cm
August22.1°C5.8°C14.0°C47 mmunder 1 cm
September16.7°C2.2°C9.4°C45 mm8 cm
October9.1°C−2.4°C3.4°C36 mm17 cm
November0.6°C−8.2°C−3.8°C28 mm25 cm
December−4.6°C−13.4°C−9.0°C23 mm23 cm
Year8.9°C−3.5°C2.7°C454 mm184 cm
Year to year

February strays furthest from its normal year to year, by 4.1°C; June the least

Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −38.5°C in 2019 to 20.0°C in 2004.

Record low to record high, 1991–2020Normal
Sources

Where Improvement District No. 9 Banff’s numbers come from

Averages over 30 years, not a forecast.

  • Normals: the closest ECCC location with twelve months of temperature normals, Banff, 1991–2020.
  • 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 Improvement District No. 9 Banff’s climate

How warm does Improvement District No. 9 Banff get in summer?

The warmest month is July, when afternoons average 22.5°C.

How cold does Improvement District No. 9 Banff get in winter?

In January, the coldest month, the typical low is −13.5°C.

How much rain and snow does Improvement District No. 9 Banff get?

The yearly total is about 454 mm. June gets 73 mm, the most of any month; February gets 19 mm, the least.

Are these figures for Improvement District No. 9 Banff itself?

Yes: they are ECCC’s 1991–2020 normals for Banff, a location inside Improvement District No. 9 Banff.

Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Improvement District No. 9 Banff →

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).