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Climate in Harbour Breton · ECCC 1991–2020 normals

Hardly any Canadian towns see fresher July days than Harbour Breton

The coldest hours of a January night bottom out at −7.1°C on average. By precipitation alone, it ranks wetter than 95% of Canadian towns. From frozen January to warm July, readings climb 27°C. Warm coats and heating bills mark the months from October to May, when means dip under 10°C.

July afternoons: cooler than almost every Canadian town

January nights: milder than 84% of Canadian towns

Rain and snow a year: wetter than 95% of Canadian towns

1991–2020 normals from ECCC’s Harbour Breton station, 1.3 km south-west.

July high

17.3°C

Typical Canadian town 25.5°C

January low

−7.1°C

Typical Canadian town −13.5°C

Rain & snow a year

1,486 mm

Typical Canadian town 883 mm

Snowfall a year

173 cm

Typical Canadian town 141 cm

Frost days

152

a year at 0°C or below

A year in Harbour Breton at a glance

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

Jan0°C−7°CSnowiest

Feb−1°C−8°CColdest nights

Mar2°C−5°C

Apr6°C−1°C

May10°C3°C

Jun14°C7°C

Jul17°C11°C

Aug19°C13°CWarmest

Sep16°C10°C

Oct11°C5°C

Nov now7°C1°CWettest

Dec3°C−4°C

What stands out about Harbour Breton’s climate

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

Cooler than almost every Canadian townJuly afternoons average 17.3°C; August is warmer still. 33rd warmest of 33 towns of 2,500+ in Newfoundland and Labrador.Wetter than 95% of Canadian townsAbout 1,486 mm of rain and melted snow a year; November is the wettest month and March the driest.A narrower year than 95% of Canadian townsFrom January nights to July afternoons, the year spans 24.4°C.

A normal year

What a year in Harbour Breton feels like

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

Winter

1°C / −6°C

339 mm, with 133 cm of snow

Spring

6°C / −1°C

342 mm, with 33 cm of snow

Summer

17°C / 11°C

348 mm of rain and snow

Autumn

12°C / 5°C

458 mm of rain and snow, the wettest season

−15°

−10°

−5°

0°

5°

10°

15°

20°

25°

0°C−7°C

−1°C−8°C

2°C−5°C

6°C−1°C

10°C3°C

14°C7°C

17°C11°C

19°C13°C

16°C10°C

11°C5°C

7°C1°C

3°C−4°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

About 152 frosts and 13 warm days a year

Frost comes from October to May; in January almost every night freezes.

152

Frost days a year (0°C or below)

Fewer frosts than 57% of Canadian towns

Days that stay below 0°C

Days a year above 20°C

Frost days by month

Average days at 0°C or below

JFMAMJJASOND

Days above 20°C by month

Average days

7.2

JFMAMJJASOND

Rain & snow

Rain and melted snow: about 1,486 mm a year

The most falls in November, the least in March. On about 137 days a year, 1 mm or more falls.

1,486 mm

Rain and snow a year

Wetter than 95% of Canadian towns

1,319 mm

Of it as rain alone (89%)

161 mm

November, the wettest month

99 mm

March, the driest month

Rain and snow by month

Millimetres

161 mm

JFMAMJJASOND

Rain alone by month

Millimetres

161 mm

JFMAMJJASOND

Snow

173 cm of snow in a typical year

The snow season runs November to April; January brings the most, about 54 cm. 31st snowiest of 32 towns of 2,500+ in Newfoundland and Labrador.

173 cm

Snowfall a year

Snowier than 62% of Canadian towns

Days a year with 0.2 cm of snow or more

12 cm

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

Snowfall by month

Centimetres

54 cm

JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

12 cm

JFMAMJJASOND

Living here

Living with Harbour Breton’s climate

What the normals mean for a garden, a day outside and the depth of winter.

Get outside

Afternoons of 17–27°C and nights of at least 8°C arrive in Jul and Aug.

Parks & trails →

Storms and extremes

The normals describe a typical year, not its worst days; the hazards page covers Harbour Breton’s.

Flood & hazards →

Weather station

ECCC’s normals location: Harbour Breton

The page’s figures are ECCC’s 1991–2020 normals for Harbour Breton, one of its 450 normals locations.

Distance from the town	1.3 km south-west
Station altitude	30 m
Completeness	at least 20 years
WMO standard normals	No
Coldest reading, 1991–2020	−22.5°C
Hottest reading, 1991–2020	27.5°C
Next-nearest location	St. Lawrence, 70 km

Compared with other towns

How Harbour Breton 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 Newfoundland and Labrador.

July afternoons17.3°C

Harbour BretonMedian Canadian town

16°C18°C20°C22°C24°C26°C

Cooler than almost every Canadian town33rd warmest of 33 towns of 2,500+ in Newfoundland and Labrador

January nights−7.1°C

Harbour BretonMedian Canadian town

−30°C−25°C−20°C−15°C−10°C−5°C

Milder than 84% of Canadian towns4th mildest of 33 towns of 2,500+ in Newfoundland and Labrador

Rain and snow a year1,486 mm

Harbour BretonMedian Canadian town

5001,0001,5002,000

Wetter than 95% of Canadian towns

Snowfall a year173 cm

Harbour BretonMedian Canadian town

100200300400500

Snowier than 62% of Canadian towns31st snowiest of 32 towns of 2,500+ in Newfoundland and Labrador

Next door

Nearby towns’ climate

Nearby places read from a different ECCC location (places on Harbour Breton’s own would show the same figures). The one place listed is 42 km from Harbour Breton, the nearest with figures.

Town	July high	January low	Rain & snow
Harbour Breton	17.3°C	−7.1°C	1,486 mm
Grand Bank 42 km · St. Lawrence	18.8°C 1.5°C warmer	−6.9°C about the same	1,505 mm

Month by month

Harbour Breton 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	−0.2°C	−7.1°C	−3.7°C	108 mm	54 cm
February	−0.6°C	−7.7°C	−4.2°C	109 mm	40 cm
March	1.7°C	−4.8°C	−1.6°C	99 mm	24 cm
April	5.5°C	−1.0°C	2.3°C	115 mm	9 cm
May	10.0°C	3.1°C	6.5°C	128 mm	0 cm
June	13.7°C	6.9°C	10.3°C	120 mm	0 cm
July	17.3°C	11.3°C	14.4°C	121 mm	0 cm
August	19.0°C	13.4°C	16.3°C	107 mm	0 cm
September	16.3°C	9.9°C	13.2°C	136 mm	0 cm
October	11.4°C	5.4°C	8.4°C	161 mm	under 1 cm
November	6.9°C	0.9°C	3.8°C	161 mm	7 cm
December	2.5°C	−3.6°C	−0.5°C	123 mm	39 cm
Year	8.6°C	2.2°C	5.4°C	1,486 mm	173 cm

Year to year

A February here can run from −22.5°C to 16.0°C

Bars run from each month’s record low to its record high over 1991–2020; March is the month whose average wanders most from year to year (±2.0°C around −1.6°C), June the one that wanders least (±1.0°C).

−30°

−20°

−10°

0°

10°

20°

30°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Harbour Breton’s numbers come from

Averages over 30 years, not a forecast.

Normals: the 1991–2020 normals from ECCC for Harbour Breton, its nearest location with complete temperatures.
Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
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 Harbour Breton’s climate

How warm does Harbour Breton get in summer?

Expect highs near 19.0°C in August, the hottest month on average.

How cold does Harbour Breton get in winter?

Midwinter means February, when a typical night reaches −7.7°C.

How much rain and snow does Harbour Breton get?

About 1,486 mm a year, rain and melted snow together. November is the wettest month (161 mm) and March the driest (99 mm).

Are these figures for Harbour Breton itself?

Yes. They were measured in Harbour Breton, at ECCC’s own station there.

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

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).