Climate in Electoral Area E (West Boundary), Kootenay Boundary · ECCC 1991–2020 normals

Few Canadian towns have warmer summer afternoons than Electoral Area E (West Boundary), Kootenay Boundary

Midwinter brings lows of about −3.8°C. Precipitation is light here, less than falls on almost every Canadian town. A year here swings 35°C from midwinter lows to midsummer highs. Comfortable outdoor weather, highs of 23–27°C, belongs to May, June and September.

July afternoons: warmer than almost every Canadian town

January nights: milder than 93% of Canadian towns

Rain and snow a year: drier than almost every Canadian town

The nearest ECCC normals location is Osoyoos, 59 km south-west: at that distance its figures describe the region more than Electoral Area E (West Boundary), Kootenay Boundary itself.

July high

31.6°C

Typical Canadian town 25.5°C

January low

−3.8°C

Typical Canadian town −13.5°C

Rain & snow a year

344 mm

Typical Canadian town 883 mm

Snowfall a year

62 cm

Typical Canadian town 141 cm

Frost days

111

a year at 0°C or below

A year in Electoral Area E (West Boundary), Kootenay Boundary at a glance

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

Jan2°C−4°CColdest nights

Feb6°C−3°C

Mar12°C0°C

Apr18°C4°C

May23°C8°C

Jun27°C12°CWettest

Jul32°C15°CWarmest

Aug31°C14°C

Sep25°C9°C

Oct16°C4°C

Nov now7°C0°C

Dec2°C−3°CSnowiest

What stands out about Electoral Area E (West Boundary), Kootenay Boundary’s climate

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

Warmer than almost every Canadian townJuly afternoons average 31.6°C, the warmest of the year. The warmest of 255 towns of 2,500+ in British Columbia.Drier than almost every Canadian townAbout 344 mm of rain and melted snow a year; June is the wettest month and February the driest.Less snowy than 94% of Canadian townsAbout 62 cm of snow falls in a year, most of it in December.

A normal year

What a year in Electoral Area E (West Boundary), Kootenay Boundary feels like

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

Winter

3°C / −3°C

77 mm, with 48 cm of snow

Spring

18°C / 4°C

87 mm of rain and snow

Summer

30°C / 14°C

99 mm of rain and snow, the wettest season

Autumn

16°C / 4°C

82 mm of rain and snow

−10°

−5°

0°

5°

10°

15°

20°

25°

30°

35°

40°

2°C−4°C

6°C−3°C

12°C0°C

18°C4°C

23°C8°C

27°C12°C

32°C15°C

31°C14°C

25°C9°C

16°C4°C

7°C0°C

2°C−3°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

About 111 frosts and 152 warm days a year

The frost season runs October to April, peaking in December at about 24 nights. Heat of 30°C or more comes on about 53 days a year.

111

Frost days a year (0°C or below)

Fewer frosts than 87% of Canadian towns

Days that stay below 0°C

152

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

344 mm of precipitation in a typical year

June brings the most rain and snow; February, the least. On about 75 days a year, 1 mm or more falls.

344 mm

Rain and snow a year

Drier than almost every Canadian town

293 mm

Of it as rain alone (85%)

44 mm

June, the wettest month

19 mm

February, the driest month

Rain and snow by month

Millimetres

44 mm

JFMAMJJASOND

Rain alone by month

Millimetres

44 mm

JFMAMJJASOND

Osoyoos publishes no full year of precipitation or snowfall, so these figures, and the snow below, come from Penticton, 64 km away.

Snow

About 62 cm of snow a year

The snow season runs November to March; December brings the most, about 20 cm.

62 cm

Snowfall a year

Less snowy than 94% of Canadian towns

Days a year with 0.2 cm of snow or more

Snowfall by month

Centimetres

20 cm

JFMAMJJASOND

Heating

Heating a home in Electoral Area E (West Boundary), Kootenay Boundary

94% of a year’s heating need falls between October and April. Months averaging under 10°C: November to March.

3,069 heating degree days (below 18°C)a year, 1991–2020

2,671 growing degree days (above 5°C)a year, 1991–2020

Behind the figure: the degrees each day’s mean falls under 18°C, summed for the year. Homes here need less heating than 94% of Canadian towns.

Living here

Living with Electoral Area E (West Boundary), Kootenay Boundary’s climate

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

Get outside

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

Parks & trails →

Wind chill

Wind chill falls below −20 on about 2 days a year: cover skin and dress in layers.

Humidex

About 56 days a year turn sultry, with the humidex past 30.

Storms and extremes

Severe weather is a separate story from the averages: see Electoral Area E (West Boundary), Kootenay Boundary’s hazards page.

Flood & hazards →

Weather station

ECCC’s normals location: Osoyoos

Every temperature, frost, snow and degree-day figure on this page is the 1991–2020 normal ECCC publishes for Osoyoos.

Distance from the town	59 km south-west
Station altitude	283 m
Completeness	meets the WMO “3 and 5” rule
WMO standard normals	No
Precipitation from	Penticton, 64 km
Coldest reading, 1991–2020	−21.7°C
Hottest reading, 1991–2020	42.8°C
Average wind	6.7 km/h on average, most often from the south-east
Next-nearest location	Penticton, 64 km

Compared with other towns

How Electoral Area E (West Boundary), Kootenay Boundary compares

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

July afternoons31.6°C

Electoral Area E (West Boundary), Kootenay BoundaryMedian Canadian town

14°C18°C22°C26°C30°C

Warmer than almost every Canadian townThe warmest of 255 towns of 2,500+ in British Columbia

January nights−3.8°C

Electoral Area E (West Boundary), Kootenay BoundaryMedian Canadian town

−25°C−20°C−15°C−10°C−5°C0°C5°C

Milder than 93% of Canadian towns

Rain and snow a year344 mm

Electoral Area E (West Boundary), Kootenay BoundaryMedian Canadian town

01,0002,0003,000

Drier than almost every Canadian town

Snowfall a year62 cm

Electoral Area E (West Boundary), Kootenay BoundaryMedian Canadian town

0100200300400500

Less snowy than 94% of Canadian towns

Next door

Nearby towns’ climate

Places around Electoral Area E (West Boundary), Kootenay Boundary whose figures come from another normals location. The one place listed is 37 km from Electoral Area E (West Boundary), Kootenay Boundary, the nearest with figures.

Town	July high	January low	Rain & snow
Electoral Area E (West Boundary), Kootenay Boundary Osoyoos	31.6°C	−3.8°C	344 mm
Electoral Area D (Rural Grand Forks), Kootenay Boundary 37 km · Warfield	29.3°C 2.3°C cooler	−4.0°C about the same	759 mm

Month by month

Electoral Area E (West Boundary), Kootenay Boundary 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	1.8°C	−3.8°C	−1.0°C	28 mm	19 cm
February	5.8°C	−3.1°C	1.4°C	19 mm	9 cm
March	12.2°C	0.0°C	6.1°C	23 mm	5 cm
April	17.7°C	3.6°C	10.7°C	26 mm	1 cm
May	23.2°C	8.4°C	15.8°C	38 mm	0 cm
June	26.5°C	11.9°C	19.2°C	44 mm	0 cm
July	31.6°C	14.8°C	23.2°C	28 mm	0 cm
August	31.0°C	14.0°C	22.5°C	27 mm	0 cm
September	25.1°C	9.3°C	17.2°C	25 mm	0 cm
October	16.2°C	4.1°C	10.2°C	29 mm	under 1 cm
November	7.3°C	−0.3°C	3.6°C	28 mm	8 cm
December	2.0°C	−3.4°C	−0.7°C	30 mm	20 cm
Year	16.7°C	4.6°C	10.7°C	344 mm	62 cm

Year to year

March has run from −13.4°C to 25.4°C in thirty years

The month to count on least is February: one year in three its average strays more than 2.4°C from 1.4°C. August moves least, typically by 1.0°C.

−30°

−20°

−10°

0°

10°

20°

30°

40°

50°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Electoral Area E (West Boundary), Kootenay Boundary’s numbers come from

Averages over 30 years, not a forecast.

Normals: the closest ECCC location with twelve months of temperature normals, Osoyoos, 1991–2020.
Other locations: ECCC blanks a month that fails its completeness rule, so the precipitation or snowfall here comes from the next location with all twelve months.
Comparisons: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
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 Electoral Area E (West Boundary), Kootenay Boundary’s climate

How warm does Electoral Area E (West Boundary), Kootenay Boundary get in summer?

Expect highs near 31.6°C in July, the hottest month on average.

How cold does Electoral Area E (West Boundary), Kootenay Boundary get in winter?

Overnight lows average −3.8°C in January, the coldest month.

How much rain and snow does Electoral Area E (West Boundary), Kootenay Boundary get?

The yearly total is about 344 mm. June gets 44 mm, the most of any month; February gets 19 mm, the least.

Are these figures for Electoral Area E (West Boundary), Kootenay Boundary itself?

They are the figures for Osoyoos, which read better as the region’s climate than Electoral Area E (West Boundary), Kootenay Boundary’s own.

Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Electoral Area E (West Boundary), Kootenay Boundary →

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).