Photo: Mykola Swarnyk · CC BY-SA 4.0

Climate in Plaster Rock · ECCC 1991–2020 normals

Hardly any Canadian towns see more snow than Plaster Rock, with about 311 cm a year

Midwinter brings lows of about −17.5°C. Counting rain and snow together, it is wetter than 84% of Canadian towns. From frozen January to warm July, readings climb 43°C. Heating does most of its work from October to April, in months below 10°C on average.

July afternoons: warmer than 53% of Canadian towns

January nights: colder than 82% of Canadian towns

Rain and snow a year: wetter than 84% of Canadian towns

No ECCC station in Plaster Rock has 1991–2020 normals; the page reads Aroostook, 33 km south-west, instead.

July high

25.7°C

Typical Canadian town 25.5°C

January low

−17.5°C

Typical Canadian town −13.5°C

Rain & snow a year

1,149 mm

Typical Canadian town 883 mm

Snowfall a year

311 cm

Typical Canadian town 141 cm

Frost days

181

a year at 0°C or below

A year in Plaster Rock at a glance

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

Jan−6°C−18°CColdest nightsSnowiest

Feb−4°C−17°C

Mar2°C−10°C

Apr10°C−2°C

May18°C4°C

Jun23°C9°C

Jul26°C13°CWarmest

Aug25°C12°C

Sep20°C8°C

Oct12°C2°C

Nov now5°C−4°C

Dec−2°C−11°C

What stands out about Plaster Rock’s climate

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

Snowier than 95% of Canadian townsAbout 311 cm of snow falls in a year, most of it in January.A wider year than 85% of Canadian townsFrom January nights to July afternoons, the year spans 43.2°C.Wetter than 84% of Canadian townsAbout 1,149 mm of rain and melted snow a year; January is the wettest month and February the driest.

A normal year

What a year in Plaster Rock feels like

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

Winter

−4°C / −15°C

295 mm, with 204 cm of snow

Spring

10°C / −3°C

257 mm, with 77 cm of snow

Summer

24°C / 11°C

300 mm of rain and snow, the wettest season

Autumn

12°C / 2°C

297 mm, with 31 cm of snow

−30°

−20°

−10°

0°

10°

20°

30°

−6°C−18°C

−4°C−17°C

2°C−10°C

10°C−2°C

18°C4°C

23°C9°C

26°C13°C

25°C12°C

20°C8°C

12°C2°C

5°C−4°C

−2°C−11°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

181 frost days and 103 days above 20°C a year

Frost comes from September to May; in January almost every night freezes. Some 31 nights a year drop under −20°C.

181

Frost days a year (0°C or below)

More frosts than 72% of Canadian towns

Days that stay below 0°C

Nights a year below −20°C

103

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

Rain and melted snow: about 1,149 mm a year

The most falls in January, the least in February. On about 130 days a year, 1 mm or more falls.

1,149 mm

Rain and snow a year

Wetter than 84% of Canadian towns

833 mm

Of it as rain alone (72%)

108 mm

January, the wettest month

81 mm

February, the driest month

Rain and snow by month

Millimetres

108 mm

JFMAMJJASOND

Rain alone by month

Millimetres

104 mm

JFMAMJJASOND

Snow

311 cm of snow in a typical year

Expect snow from October to May, with about 76 cm in January, the snowiest month.

311 cm

Snowfall a year

Snowier than 95% of Canadian towns

Days a year with 0.2 cm of snow or more

138

Days a year with 1 cm or more on the ground

56 cm

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

Snowfall by month

Centimetres

76 cm

JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

56 cm

JFMAMJJASOND

Heating

Heating a home in Plaster Rock

90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.

4,949 heating degree days (below 18°C)a year, 1991–2020

1,790 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. A house here needs more heating than 62% of Canadian towns.

Living here

Living with Plaster Rock’s climate

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

Get outside

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

Parks & trails →

Storms and extremes

What averages leave out, the floods and ice storms, is on Plaster Rock’s hazards page.

Flood & hazards →

Weather station

ECCC’s normals location: Aroostook

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

Distance from the town	33 km south-west
Station altitude	80 m
Completeness	at least 20 years
WMO standard normals	No
Coldest reading, 1991–2020	−40.5°C
Hottest reading, 1991–2020	36.0°C
Next-nearest location	St. Leonard, 43 km

Compared with other towns

How Plaster Rock compares

Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in New Brunswick.

July afternoons25.7°C

Plaster RockMedian Canadian town

18°C20°C22°C24°C26°C

Warmer than 53% of Canadian towns

January nights−17.5°C

Plaster RockMedian Canadian town

−20°C−15°C−10°C−5°C

Colder than 82% of Canadian towns58th mildest of 61 towns of 2,500+ in New Brunswick

Rain and snow a year1,149 mm

Plaster RockMedian Canadian town

05001,0001,5002,000

Wetter than 84% of Canadian towns

Snowfall a year311 cm

Plaster RockMedian Canadian town

100200300400

Snowier than 95% of Canadian towns

Next door

Nearby towns’ climate

Nearby places read from a different ECCC location (places on Plaster Rock’s own would show the same figures). The nearest place to Plaster Rock with figures is 16 km away.

Town	July high	January low	Rain & snow
Plaster Rock Aroostook	25.7°C	−17.5°C	1,149 mm
Denmark 16 km · St. Leonard	24.2°C 1.5°C cooler	−17.9°C about the same	1,128 mm

Month by month

Plaster Rock weather by month

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

Month	High	Low	Mean	Rain & snow	Snow
January	−6.1°C	−17.5°C	−11.8°C	108 mm	76 cm
February	−3.8°C	−16.7°C	−10.3°C	81 mm	67 cm
March	2.3°C	−9.7°C	−3.7°C	87 mm	57 cm
April	9.5°C	−2.2°C	3.7°C	81 mm	18 cm
May	18.0°C	4.2°C	11.1°C	89 mm	2 cm
June	22.7°C	9.1°C	15.9°C	97 mm	0 cm
July	25.7°C	12.9°C	19.3°C	104 mm	0 cm
August	24.7°C	11.8°C	18.3°C	99 mm	0 cm
September	20.1°C	7.6°C	13.9°C	101 mm	under 1 cm
October	12.4°C	1.6°C	7.1°C	102 mm	4 cm
November	4.6°C	−3.8°C	0.4°C	94 mm	27 cm
December	−2.2°C	−10.9°C	−6.6°C	106 mm	61 cm
Year	10.7°C	−1.1°C	4.8°C	1,149 mm	311 cm

Year to year

From −36.0°C to 24.5°C: March’s coldest and warmest days since 1991

The month to count on least is February: one year in three its average strays more than 3.1°C from −10.3°C. June moves least, typically by 1.1°C.

−50°

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Plaster Rock’s numbers come from

Averages over 30 years, not a forecast.

Normals: the 1991–2020 Canadian Climate Normals at Aroostook, the closest ECCC location with twelve months of temperature normals.
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: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.

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

Questions about Plaster Rock’s climate

How warm does Plaster Rock get in summer?

Afternoons average 25.7°C in July, the warmest time of year.

How cold does Plaster Rock get in winter?

In January, the coldest month, the typical low is −17.5°C.

How much rain and snow does Plaster Rock get?

Around 1,149 mm a year in all, from 108 mm in January down to 81 mm in February.

How long does snow stay on the ground?

Count on about 138 days of snow cover a year, 1 cm or deeper.

Are these figures for Plaster Rock itself?

No, they come from Aroostook; ECCC keeps no 1991–2020 normals in Plaster Rock itself.

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

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).