Climate in Newtonbrook West · ECCC 1991–2020 normals

Summer arrives in force in Newtonbrook West, hotter than in 91% of Canadian towns

The depth of winter brings overnight lows near −10.1°C. The wettest month is June; the driest is February. By frosts alone, it ranks gentler than 70% of Canadian towns. Windshields need scraping on about 145 mornings a year, the days the air reaches 0°C or below.

July afternoons: warmer than 91% of Canadian towns

January nights: milder than 68% of Canadian towns

Rain and snow a year: drier than 52% of Canadian towns

Figures: ECCC’s 1991–2020 normals for Toronto Buttonville (Airport) (9.8 km north-east).

July high

27.3°C

Typical Canadian town 25.5°C

January low

−10.1°C

Typical Canadian town −13.5°C

Rain & snow a year

862 mm

Typical Canadian town 883 mm

Snowfall a year

146 cm

Typical Canadian town 141 cm

Frost days

145

a year at 0°C or below

Frost-free days

161

3 May to 13 Oct

A year in Newtonbrook West at a glance

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

Jan−2°C−10°CColdest nightsSnowiest

Feb−1°C−10°C

Mar5°C−5°C

Apr12°C1°C

May19°C7°CLast frost ~3 May

Jun25°C13°CWettest

Jul27°C16°CWarmest

Aug26°C15°C

Sep22°C10°C

Oct14°C4°CFirst frost ~13 Oct

Nov now7°C−1°C

Dec2°C−6°C

What stands out about Newtonbrook West’s climate

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

Warmer than 91% of Canadian townsJuly afternoons average 27.3°C, the warmest of the year.Milder than 68% of Canadian townsJanuary nights average −10.1°C, the coldest of the year.

A normal year

What a year in Newtonbrook West feels like

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

Winter

0°C / −9°C

177 mm, with 107 cm of snow

Spring

12°C / 1°C

211 mm, with 27 cm of snow

Summer

26°C / 14°C

244 mm of rain and snow, the wettest season

Autumn

15°C / 5°C

230 mm, with 12 cm of snow

−20°

−10°

0°

10°

20°

30°

40°

−2°C−10°C

−1°C−10°C

5°C−5°C

12°C1°C

19°C7°C

25°C13°C

27°C16°C

26°C15°C

22°C10°C

14°C4°C

7°C−1°C

2°C−6°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

About 145 frosts and 126 warm days a year

The frost season runs October to May, and January freezes nearly every night. Deep cold, under −20°C, comes on about 6 nights a year.

161 frost-free days · average dates, 1991–2020

3 May 13 Oct

JanFebMarAprMayJunJulAugSepOctNovDec

145

Frost days a year (0°C or below)

Fewer frosts than 70% of Canadian towns

Days that stay below 0°C

Nights a year below −20°C

126

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

862 mm of precipitation in a typical year

On about 113 days a year, 1 mm or more falls.

862 mm

Rain and snow a year

Drier than 52% of Canadian towns

729 mm

Of it as rain alone (85%)

87 mm

June, the wettest month

51 mm

February, the driest month

Rain and snow by month

Millimetres

87 mm

JFMAMJJASOND

Rain alone by month

Millimetres

87 mm

JFMAMJJASOND

Snow

About 146 cm of snow a year

Snow falls from November to April, most of all in January (about 40 cm).

146 cm

Snowfall a year

Snowier than 54% of Canadian towns

Days a year with 0.2 cm of snow or more

Days a year with 1 cm or more on the ground

11 cm

Snow on the ground at the end of January, the deepest month

Snowfall by month

Centimetres

40 cm

JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

11 cm

JFMAMJJASOND

Heating

Heating a home in Newtonbrook West

93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.

3,957 heating degree days (below 18°C)a year, 1991–2020

2,276 growing degree days (above 5°C)a year, 1991–2020

Warm days count for nothing; each colder day adds how far its mean sits below 18°C. Homes here need less heating than 74% of Canadian towns.

Living here

Living with Newtonbrook West’s climate

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

The garden window

Plant out after about 3 May; the first frost of autumn usually arrives near 13 October, leaving roughly 161 days without frost.

Get outside

Highs of 17–27°C with nights of 8°C or more come in Jun, Aug and Sep.

Parks & trails →

Wind chill

A wind chill below −20 is part of about 22 days a year here.

Humidex

Humid summer days, the humidex above 30, number about 55 a year.

Storms and extremes

Averages smooth over blizzards, ice storms, floods and heat waves; Newtonbrook West’s hazards page covers the risks.

Flood & hazards →

Weather station

ECCC’s normals location: Toronto Buttonville (Airport)

Behind the 1991–2020 normals for Toronto Buttonville (Airport) are 3 stations, which ECCC combines into one record.

Distance from the town	9.8 km north-east
Station altitude	198 m
Completeness	meets the WMO “3 and 5” rule
WMO standard normals	No
Coldest reading, 1991–2020	−35.2°C
Hottest reading, 1991–2020	37.8°C
Average wind	12.2 km/h on average, most often from the north
Next-nearest location	Toronto (City), 13 km

Compared with other towns

How Newtonbrook West 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 afternoons27.3°C

Newtonbrook WestMedian Canadian town

20°C22°C24°C26°C28°C30°C

Warmer than 91% of Canadian towns

January nights−10.1°C

Newtonbrook WestMedian Canadian town

−25°C−20°C−15°C−10°C−5°C

Milder than 68% of Canadian towns

Rain and snow a year862 mm

Newtonbrook WestMedian Canadian town

05001,0001,5002,000

Drier than 52% of Canadian towns

Snowfall a year146 cm

Newtonbrook WestMedian Canadian town

0100200300400

Snowier than 54% of Canadian towns

Next door

Nearby towns’ climate

Places around Newtonbrook West whose figures come from another normals location. The nearest places to Newtonbrook West with figures are 8–29 km away.

Town	July high	January low	Rain & snow
Newtonbrook West Toronto Buttonville (Airport)	27.3°C	−10.1°C	862 mm
Toronto 8.4 km · Toronto (City)	27.0°C about the same	−6.7°C 3.4°C milder	823 mm
Pickering 27 km · Oshawa	25.7°C 1.6°C cooler	−8.9°C 1.2°C milder	906 mm
Brampton 27 km · Toronto Pearson (Airport)	27.4°C about the same	−8.9°C 1.2°C milder	807 mm

Month by month

Newtonbrook West weather by month

Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.

Month	High	Low	Mean	Rain & snow	Snow
January	−1.7°C	−10.1°C	−6.0°C	64 mm	40 cm
February	−1.0°C	−10.1°C	−5.6°C	51 mm	34 cm
March	4.6°C	−5.0°C	−0.2°C	52 mm	20 cm
April	11.8°C	1.2°C	6.5°C	79 mm	7 cm
May	19.3°C	7.4°C	13.4°C	80 mm	under 1 cm
June	24.6°C	13.0°C	18.8°C	87 mm	0 cm
July	27.3°C	15.6°C	21.5°C	85 mm	0 cm
August	26.3°C	14.8°C	20.6°C	72 mm	0 cm
September	21.9°C	10.4°C	16.2°C	83 mm	0 cm
October	14.3°C	4.3°C	9.4°C	71 mm	1 cm
November	7.4°C	−0.8°C	3.3°C	77 mm	12 cm
December	1.5°C	−5.8°C	−2.2°C	63 mm	33 cm
Year	13.0°C	2.9°C	8.0°C	862 mm	146 cm

Year to year

A March here can run from −25.6°C to 26.3°C

Bars run from each month’s record low to its record high over 1991–2020; January is the month whose average wanders most from year to year (±3.1°C around −6.0°C), June the one that wanders least (±1.2°C).

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Newtonbrook West’s numbers come from

Averages over 30 years, not a forecast.

Normals: the 1991–2020 normals from ECCC for Toronto Buttonville (Airport), its nearest location with complete temperatures.
Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
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 Newtonbrook West’s climate

How warm does Newtonbrook West get in summer?

Summer peaks in July: a typical afternoon reaches 27.3°C.

How cold does Newtonbrook West get in winter?

The coldest nights come in January, averaging −10.1°C.

How much rain and snow does Newtonbrook West get?

Count on roughly 862 mm a year, heaviest in June (87 mm) and lightest in February (51 mm).

How long does snow stay on the ground?

About 76 days a year count as snow-covered, with 1 cm or more.

Are these figures for Newtonbrook West itself?

They are the normals for Toronto Buttonville (Airport), measured just outside Newtonbrook West itself.

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

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).