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Climate in River Valley Oleskiw · ECCC 1991–2020 normals

Less rain and snow fall on River Valley Oleskiw than on 90% of Canadian towns: 423 mm a year

On a normal July day the thermometer tops out near 23.5°C. Summers stay cool: July afternoons here are cooler than in 80% of Canadian towns. Precipitation follows the seasons: July brings about 7.0 times as much as February. The heating season runs October to April: each of those months averages under 10°C.

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

Environment and Climate Change Canada’s 1991–2020 normals at its Edmonton (City) station, 10 km north-east.

A year in River Valley Oleskiw 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 River Valley Oleskiw’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 River Valley Oleskiw 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

179 frost days and 90 days above 20°C a year

From September to May frost is routine, and in January it comes on almost every night. On about 24 nights a year the air falls below −20°C.

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

423 mm of precipitation in a typical year

Some 72 days a year see 1 mm of rain or snow 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

124 cm of snow in a typical year

Expect snow from October to May, with about 26 cm in January, the snowiest month.

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 River Valley Oleskiw

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

Each day the mean sits under 18°C adds its shortfall; a year’s total is its heating degree days. Over a year, a home here needs more heating than 76% of Canadian towns.

Living here

Living with River Valley Oleskiw’s climate

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

The garden window

From about 7 May to 25 September the garden is usually clear of frost, some 141 days.

Get outside

Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jun, Jul and Aug.

Parks & trails →
Wind chill

Frostbite weather, a wind chill under −20, turns up on about 50 days a year.

Humidex

Humid summer days, the humidex above 30, number about 11 a year.

Storms and extremes

Extremes don’t show in averages: floods, wildfire smoke and ice storms are on River Valley Oleskiw’s hazards page.

Flood & hazards →
Weather station

ECCC’s normals location: Edmonton (City)

ECCC builds the Edmonton (City) normals from 3 stations’ records over 1991–2020, joined where one replaced another.

Distance from the town10 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), 19 km
Compared with other towns

How River Valley Oleskiw 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 afternoons23.5°C
River Valley OleskiwMedian Canadian town
20°C22°C24°C26°C28°C
Cooler than 80% of Canadian towns
January nights−14.7°C
River Valley OleskiwMedian Canadian town
−25°C−20°C−15°C−10°C
Colder than 67% of Canadian towns
Rain and snow a year423 mm
River Valley OleskiwMedian Canadian town
05001,0001,500
Drier than 90% of Canadian towns
Snowfall a year124 cm
River Valley OleskiwMedian Canadian town
0100200300
Less snowy than 71% of Canadian towns
Next door

Nearby towns’ climate

Places around River Valley Oleskiw whose figures come from another normals location. No closer place has figures: this one lies 17 km from River Valley Oleskiw.

TownJuly highJanuary lowRain & snow
River Valley Oleskiw Edmonton (City)23.5°C−14.7°C423 mm
Devon 17 km · Edmonton (Airport)23.0°C 0.5°C cooler−18.1°C 3.4°C colder434 mm
Month by month

River Valley Oleskiw 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

The month with the widest range: March, −34.0°C to 23.9°C

February is the least predictable month: about two years in three its average lands within 4.2°C of the normal, −7.9°C. June is the steadiest, within 1.0°C.

Record low to record high, 1991–2020Normal
Sources

Where River Valley Oleskiw’s numbers come from

Averages over 30 years, not a forecast.

  • Normals: ECCC’s normals for Edmonton (City), 1991–2020, chosen as the nearest location with a full temperature record.
  • Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
  • 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 River Valley Oleskiw’s climate

How warm does River Valley Oleskiw get in summer?

Expect highs near 23.5°C in July, the hottest month on average.

How cold does River Valley Oleskiw get in winter?

On a normal January night the air drops to −14.7°C, the coldest of the year.

How much rain and snow does River Valley Oleskiw get?

Rain and snow, with snow counted as water, total 423 mm a year; July leads with 83 mm and February trails with 12 mm.

Are these figures for River Valley Oleskiw itself?

Close to it: they are ECCC’s 1991–2020 normals for Edmonton (City), just outside River Valley Oleskiw’s boundary.

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

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).