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Climate in East Riverside · ECCC 1991–2020 normals

East Riverside has some of the warmest summer afternoons among Canadian towns

In January the night’s low is typically −6.3°C. None of the 871 towns of 2,500+ in Ontario has milder January nights. The gap between a January night and a July afternoon is 36°C. Expect about 113 frosty starts a year, days when the air falls to freezing.

July afternoons: warmer than almost every Canadian town
January nights: milder than 91% of Canadian towns
Rain and snow a year: wetter than 58% of Canadian towns

Figures: ECCC’s 1991–2020 normals for Windsor Riverside (1.4 km west).

A year in East Riverside at a glance

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

Jan1°C−6°CColdest nightsSnowiest
Feb2°C−6°C
Mar8°C−2°C
Apr15°C4°CLast frost ~24 Apr
May22°C10°CWettest
Jun27°C16°C
Jul29°C18°CWarmest
Aug28°C18°C
Sep24°C14°C
Oct17°C8°CFirst frost ~27 Oct
Nov now10°C2°C
Dec3°C−3°C

What stands out about East Riverside’s climate

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

A normal year

What a year in East Riverside feels like

Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.

Winter
2°C / −5°C
197 mm, with 81 cm of snow
Spring
15°C / 4°C
247 mm, with 21 cm of snow
Summer
28°C / 17°C
258 mm of rain and snow, the wettest season
Autumn
17°C / 8°C
233 mm of rain and snow
Best months to be outsideMayJunSepHighs of 17–27°C and nights of 8°C or more
Frost & warm days

Frost on 113 days, 20°C on 148

Frosts fall from October to April; January has the most, about 27. About 33 days a year top 30°C.

113
Frost days a year (0°C or below)
Fewer frosts than 87% of Canadian towns
39
Days that stay below 0°C
148
Days a year above 20°C
33
Days a year above 30°C

Frost days by month

Average days at 0°C or below

27
JFMAMJJASOND

Days above 20°C by month

Average days

31
JFMAMJJASOND
Rain & snow

Rain and melted snow: about 935 mm a year

The most falls in May, the least in February. On about 109 days a year, 1 mm or more falls.

935 mm
Rain and snow a year
Wetter than 58% of Canadian towns
828 mm
Of it as rain alone (89%)
94 mm
May, the wettest month
62 mm
February, the driest month

Rain and snow by month

Millimetres

94 mm
JFMAMJJASOND

Rain alone by month

Millimetres

94 mm
JFMAMJJASOND
Snow

About 107 cm of snow a year

The snow season runs November to April; January brings the most, about 33 cm.

107 cm
Snowfall a year
Less snowy than 88% of Canadian towns
36
Days a year with 0.2 cm of snow or more
54
Days a year with 1 cm or more on the ground
8 cm
Snow on the ground at the end of January, the deepest month

Snowfall by month

Centimetres

33 cm
JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

8 cm
JFMAMJJASOND
Heating

Heating a home in East Riverside

95% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.

3,180 heating degree days (below 18°C)a year, 1991–2020
2,910 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 less heating than 93% of Canadian towns.

Living here

Living with East Riverside’s climate

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

The garden window

Gardens get from about 24 April to 27 October without frost, around 186 days in all.

Get outside

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

Parks & trails →
Storms and extremes

Bad-weather days, from blizzards to floods, get their own page for East Riverside: the hazards page.

Flood & hazards →
Weather station

ECCC’s normals location: Windsor Riverside

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

Distance from the town1.4 km west
Station altitude188 m
Completenessmeets the WMO “3 and 5” rule
WMO standard normalsNo
Coldest reading, 1991–2020−28.0°C
Hottest reading, 1991–202039.0°C
Next-nearest locationWindsor, 6.6 km
Compared with other towns

How East Riverside 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 Ontario.

July afternoons29.2°C
East RiversideMedian Canadian town
20°C22°C24°C26°C28°C30°C
Warmer than almost every Canadian townThe warmest of 871 towns of 2,500+ in Ontario
January nights−6.3°C
East RiversideMedian Canadian town
−25°C−20°C−15°C−10°C−5°C
Milder than 91% of Canadian townsThe mildest of 871 towns of 2,500+ in Ontario
Rain and snow a year935 mm
East RiversideMedian Canadian town
05001,0001,5002,000
Wetter than 58% of Canadian towns
Snowfall a year107 cm
East RiversideMedian Canadian town
0100200300400
Less snowy than 88% of Canadian towns
Next door

Nearby towns’ climate

Places around East Riverside whose figures come from another normals location.

TownJuly highJanuary lowRain & snow
East Riverside Windsor Riverside29.2°C−6.3°C935 mm
Forest Glade 2.9 km · Windsor Riverside29.2°C about the same−6.3°C about the same935 mm
Fontainebleau 5.1 km · Windsor28.3°C 0.9°C cooler−7.1°C 0.8°C colder954 mm
Month by month

East Riverside weather by month

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

MonthHighLowMeanRain & snowSnow
January0.5°C−6.3°C−2.9°C70 mm33 cm
February2.3°C−5.6°C−1.6°C62 mm26 cm
March7.8°C−1.6°C3.1°C65 mm16 cm
April14.8°C4.0°C9.4°C88 mm5 cm
May21.5°C10.1°C15.8°C94 mmunder 1 cm
June27.0°C16.0°C21.5°C80 mm0 cm
July29.2°C18.4°C23.8°C87 mm0 cm
August28.0°C17.8°C22.9°C91 mm0 cm
September24.3°C13.9°C19.1°C94 mm0 cm
October17.0°C7.7°C12.4°C69 mm0 cm
November9.5°C1.9°C5.7°C71 mm5 cm
December3.2°C−2.9°C0.2°C65 mm21 cm
Year15.4°C6.1°C10.8°C935 mm107 cm
Year to year

A February here can run warm or cold, its average moving by about 2.8°C; the steadiest month is June

Over 1991–2020, March saw both −20.0°C (2003) and 28.5°C (2012), the widest span of any month.

Record low to record high, 1991–2020Normal
Sources

Where East Riverside’s numbers come from

Averages over 30 years, not a forecast.

  • Normals: 1991–2020 normals for Windsor Riverside from ECCC’s climate data site, the nearest location with every month of temperature.
  • Comparisons: every place of 2,500+ in Canada but the city hubs and the reserves, each on its nearest ECCC location.
  • Not on this page: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.

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

Questions about East Riverside’s climate

How warm does East Riverside get in summer?

The warmest month is July, when afternoons average 29.2°C.

How cold does East Riverside get in winter?

In January, the coldest month, the typical low is −6.3°C.

How much rain and snow does East Riverside get?

Rain and snow add up to about 935 mm of water a year; May brings the most (94 mm), February the least (62 mm).

How long does snow stay on the ground?

Count on about 54 days of snow cover a year, 1 cm or deeper.

Are these figures for East Riverside itself?

Nearly: Windsor Riverside, the location behind them, sits just beyond East Riverside’s boundary.

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

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).