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Summerland uppertownPhoto: (WT-shared) Bulliver at wts wikivoyage · CC BY-SA 1.0
Climate in Summerland · ECCC 1991–2020 normals

Few Canadian towns have warmer summer afternoons than Summerland

Midwinter brings lows of about −3.2°C. Of all months, June brings the most precipitation and February the least. Its yearly rain and snow fall short of almost every Canadian town. About 75 days a year bring 1 mm of precipitation or more.

July afternoons: warmer than almost every Canadian town
January nights: milder than 94% of Canadian towns
Rain and snow a year: drier than almost every Canadian town

ECCC publishes no normals for Summerland itself; the figures are those of Penticton, 17 km south.

A year in Summerland at a glance

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

Jan2°C−3°CColdest nights
Feb5°C−3°C
Mar10°C−1°C
Apr16°C2°CLast frost ~30 Apr
May21°C7°C
Jun25°C11°CWettest
Jul29°C14°CWarmest
Aug28°C13°C
Sep23°C9°C
Oct14°C4°CFirst frost ~8 Oct
Nov now7°C0°C
Dec2°C−3°CSnowiest

What stands out about Summerland’s climate

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

A normal year

What a year in Summerland feels like

Each season’s and each month’s usual high and low, 1991–2020.

Winter
3°C / −3°C
77 mm, with 48 cm of snow
Spring
16°C / 3°C
87 mm of rain and snow
Summer
27°C / 12°C
99 mm of rain and snow, the wettest season
Autumn
15°C / 4°C
82 mm of rain and snow
Best months to be outsideJunSepHighs of 17–27°C and nights of 8°C or more
Frost & warm days

Frost on 109 days, 20°C on 133

The frost season runs October to April, peaking in December at about 21 nights. Heat of 30°C or more comes on about 29 days a year.

109
Frost days a year (0°C or below)
Fewer frosts than 88% of Canadian towns
22
Days that stay below 0°C
133
Days a year above 20°C
29
Days a year above 30°C

Frost days by month

Average days at 0°C or below

21
JFMAMJJASOND

Days above 20°C by month

Average days

30
JFMAMJJASOND
Rain & snow

Rain and melted snow: about 344 mm a year

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
Snow

About 62 cm of snow a year

Snow falls from November to March, most of all in December (about 20 cm).

62 cm
Snowfall a year
Less snowy than 94% of Canadian towns
28
Days a year with 0.2 cm of snow or more
25
Days a year with 1 cm or more on the ground
5 cm
Snow on the ground at the end of December, the deepest month

Snowfall by month

Centimetres

20 cm
JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

5 cm
JFMAMJJASOND
Heating

Heating a home in Summerland

92% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.

3,302 heating degree days (below 18°C)a year, 1991–2020
2,296 growing degree days (above 5°C)a year, 1991–2020

Think of it as a year’s worth of daily shortfalls below 18°C, added up. Homes here need less heating than 93% of Canadian towns.

Living here

Living with Summerland’s climate

The averages read for the garden, the outdoors and the coldest and hottest days.

The garden window

About 160 days a year pass without frost, from an average last frost of 30 April to a first of 8 October.

Get outside

Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun and Sep.

Parks & trails →
Wind chill

Roughly 4 days a year feel colder than −20 in the wind.

Humidex

On some 38 days a year the humidex climbs past 30.

Storms and extremes

Ice storms, floods and heat waves are risks, not averages: they are on Summerland’s hazards page.

Flood & hazards →
Weather station

ECCC’s normals location: Penticton

Behind the 1991–2020 normals for Penticton are 2 stations, which ECCC combines into one record.

Distance from the town17 km south
Station altitude344 m
Completenessat least 25 years
WMO standard normalsNo
Coldest reading, 1991–2020−21.6°C
Hottest reading, 1991–202038.6°C
Average wind11.5 km/h on average, most often from the north
Next-nearest locationKelowna, 45 km
Compared with other towns

How Summerland 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 British Columbia.

July afternoons29.2°C
SummerlandMedian Canadian town
14°C18°C22°C26°C30°C
Warmer than almost every Canadian town
January nights−3.2°C
SummerlandMedian Canadian town
−25°C−20°C−15°C−10°C−5°C0°C5°C
Milder than 94% of Canadian towns
Rain and snow a year344 mm
SummerlandMedian Canadian town
01,0002,0003,000
Drier than almost every Canadian town
Snowfall a year62 cm
SummerlandMedian Canadian town
0100200300400500
Less snowy than 94% of Canadian towns
Next door

Nearby towns’ climate

Nearby places read from a different ECCC location (places on Summerland’s own would show the same figures). No closer place has figures: this one lies 20 km from Summerland.

TownJuly highJanuary lowRain & snow
Summerland Penticton29.2°C−3.2°C344 mm
Peachland 20 km · Kelowna28.5°C 0.7°C cooler−5.9°C 2.7°C colder344 mm
Month by month

Summerland weather by month

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

MonthHighLowMeanRain & snowSnow
January1.6°C−3.2°C−0.8°C28 mm19 cm
February4.6°C−3.1°C0.8°C19 mm9 cm
March10.2°C−0.6°C4.9°C23 mm5 cm
April15.7°C2.4°C9.1°C26 mm1 cm
May21.4°C7.1°C14.3°C38 mm0 cm
June24.6°C10.6°C17.6°C44 mm0 cm
July29.2°C13.5°C21.4°C28 mm0 cm
August28.4°C12.8°C20.6°C27 mm0 cm
September22.6°C8.5°C15.6°C25 mm0 cm
October14.3°C3.5°C8.9°C29 mmunder 1 cm
November6.7°C0.0°C3.4°C28 mm8 cm
December2.1°C−2.8°C−0.4°C30 mm20 cm
Year15.1°C4.1°C9.6°C344 mm62 cm
Year to year

The month with the widest range: May, −4.2°C to 33.8°C

Two years in three, February’s average falls within 2.4°C of its normal of 0.8°C; August keeps to within 0.9°C.

Record low to record high, 1991–2020Normal
Sources

Where Summerland’s numbers come from

Averages over 30 years, not a forecast.

  • Normals: the 1991–2020 Canadian Climate Normals at Penticton, the closest ECCC location with twelve months of temperature normals.
  • 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: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.

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

Questions about Summerland’s climate

How warm does Summerland get in summer?

The year’s warmest days come in July, with highs averaging 29.2°C.

How cold does Summerland get in winter?

Winter bottoms out in January, with lows near −3.2°C.

How much rain and snow does Summerland get?

Precipitation totals 344 mm a year, with June the wettest month (44 mm) and February the driest (19 mm).

How long does snow stay on the ground?

There is 1 cm of snow or more on the ground on roughly 25 days a year.

Are these figures for Summerland itself?

The figures are ECCC’s for Penticton; Summerland has no normals station.

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

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).