Photo: Dr Wilson · CC BY-SA 3.0

Climate in Wicklow · ECCC 1991–2020 normals

Few Canadian towns get more snow than Wicklow: about 311 cm a year

July afternoons average 25.7°C. Counting rain and snow together, it is wetter than 84% of Canadian towns. Expect the most rain and snow in January and the least in February. Plan for rain or snow on about 130 days a year, the days with 1 mm or more.

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

Borrowed figures: Wicklow has no normals station, so these come from Aroostook, 26 km north.

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 Wicklow 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 Wicklow’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 Wicklow feels like

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

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

Frost on 181 days, 20°C on 103

From September to May frost is routine, and in January it comes on almost every night. 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

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

Snowfall: about 311 cm in a normal 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 Wicklow

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

Measured against 18°C: each day’s shortfall in mean temperature, added over twelve months. In heating terms, homes need more heating than 62% of Canadian towns.

Living here

Living with Wicklow’s climate

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

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

For blizzards, floods and wildfire, turn to Wicklow’s hazards page.

Flood & hazards →

Weather station

ECCC’s normals location: Aroostook

Aroostook is one of the 450 places where ECCC publishes 1991–2020 normals.

Distance from the town	26 km north
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	Woodstock/Newbridge, 35 km

Compared with other towns

How Wicklow 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

WicklowMedian Canadian town

18°C20°C22°C24°C26°C

Warmer than 53% of Canadian towns

January nights−17.5°C

WicklowMedian 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

WicklowMedian Canadian town

05001,0001,5002,000

Wetter than 84% of Canadian towns

Snowfall a year311 cm

WicklowMedian Canadian town

100200300400

Snowier than 95% of Canadian towns

Next door

Nearby towns’ climate

Nearby places read from a different ECCC location (places on Wicklow’s own would show the same figures).

Town	July high	January low	Rain & snow
Wicklow Aroostook	25.7°C	−17.5°C	1,149 mm
Florenceville-Bristol 6.2 km · Woodstock/Newbridge	25.3°C about the same	−15.3°C 2.2°C milder	1,161 mm
Kent 8.6 km · Aroostook	25.7°C about the same	−17.5°C about the same	1,149 mm

Month by month

Wicklow weather by month

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

February varies most from one year to the next (3.1°C), June least

Over 1991–2020, March saw both −36.0°C (2001) and 24.5°C (2012), the widest span of any month.

−50°

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Wicklow’s numbers come from

Averages over 30 years, not a forecast.

Normals: 1991–2020 normals for Aroostook from ECCC’s climate data site, the nearest location with every month of temperature.
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 (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 Wicklow’s climate

How warm does Wicklow get in summer?

In July, the warmest month, the typical high is 25.7°C.

How cold does Wicklow get in winter?

The coldest nights come in January, averaging −17.5°C.

How much rain and snow does Wicklow get?

A normal year brings 1,149 mm, snow included as water: January is wettest at 108 mm, February driest at 81 mm.

How long does snow stay on the ground?

Around 138 days a year see 1 cm of snow or more lying.

Are these figures for Wicklow itself?

Not as such: Aroostook is the nearest normals location, and Wicklow has none.

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

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).