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Climate in Dunrobin · ECCC 1991–2020 normals

Dunrobin has warmer summer afternoons than 83% of Canadian towns

Deep winter brings January lows near −16.0°C. In January, nights here are colder than in 75% of Canadian towns. The wettest month is June; the driest is February. An umbrella or a shovel earns its place on about 137 days a year with 1 mm or more.

July afternoons: warmer than 83% of Canadian towns
January nights: colder than 75% of Canadian towns
Rain and snow a year: wetter than 67% of Canadian towns

The nearest ECCC normals location to Dunrobin is Luskville, 13 km north-west, and every figure on this page is its.

A year in Dunrobin at a glance

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

Jan−5°C−16°CColdest nightsSnowiest
Feb−3°C−15°C
Mar3°C−8°C
Apr11°C0°C
May20°C6°CLast frost ~20 May
Jun25°C12°CWettest
Jul27°C14°CWarmest
Aug26°C13°C
Sep21°C9°CFirst frost ~22 Sep
Oct13°C3°C
Nov now6°C−3°C
Dec−2°C−11°C

What stands out about Dunrobin’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 Dunrobin feels like

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

Winter
−3°C / −14°C
215 mm, with 139 cm of snow
Spring
11°C / −1°C
216 mm, with 37 cm of snow
Summer
26°C / 13°C
292 mm of rain and snow, the wettest season
Autumn
13°C / 3°C
246 mm, with 17 cm of snow
Best months to be outsideJunJulAugSepHighs of 17–27°C and nights of 8°C or more
Frost & warm days

About 170 frosts and 119 warm days a year

From September to May frost is routine, and in January it comes on almost every night. On about 27 nights a year the air falls below −20°C.

170
Frost days a year (0°C or below)
More frosts than 58% of Canadian towns
78
Days that stay below 0°C
27
Nights a year below −20°C
119
Days a year above 20°C
14
Days a year above 30°C

Frost days by month

Average days at 0°C or below

30
JFMAMJJASOND

Days above 20°C by month

Average days

30
JFMAMJJASOND
Rain & snow

Rain and melted snow: about 968 mm a year

968 mm
Rain and snow a year
Wetter than 67% of Canadian towns
776 mm
Of it as rain alone (80%)
99 mm
June, the wettest month
63 mm
February, the driest month

Rain and snow by month

Millimetres

99 mm
JFMAMJJASOND

Rain alone by month

Millimetres

99 mm
JFMAMJJASOND
Snow

Snowfall: about 193 cm in a normal year

Snow falls from October to April, most of all in January (about 53 cm).

193 cm
Snowfall a year
Snowier than 70% of Canadian towns
54
Days a year with 0.2 cm of snow or more
108
Days a year with 1 cm or more on the ground
12 cm
Snow on the ground at the end of February, the deepest month

Snowfall by month

Centimetres

53 cm
JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

12 cm
JFMAMJJASOND
Heating

Heating a home in Dunrobin

92% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.

4,648 heating degree days (below 18°C)a year, 1991–2020
2,044 growing degree days (above 5°C)a year, 1991–2020

The total grows by a degree for every degree a day’s mean sits under 18°C.

Living here

Living with Dunrobin’s climate

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

The garden window

Wait until about 20 May to plant out; frost tends to come back around 22 September, about 124 days later.

Get outside

Plan time outside for Jun, Jul, Aug and Sep: highs of 17–27°C and nights no colder than 8°C.

Parks & trails →
Storms and extremes

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

Flood & hazards →
Weather station

ECCC’s normals location: Luskville

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

Distance from the town13 km north-west
Station altitude69 m
Completenessmeets the WMO “3 and 5” rule
WMO standard normalsYes
Coldest reading, 1991–2020−40.0°C
Hottest reading, 1991–202036.4°C
Next-nearest locationOttawa (City), 21 km
Compared with other towns

How Dunrobin 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 afternoons26.9°C
DunrobinMedian Canadian town
20°C22°C24°C26°C28°C30°C
Warmer than 83% of Canadian towns
January nights−16.0°C
DunrobinMedian Canadian town
−25°C−20°C−15°C−10°C−5°C
Colder than 75% of Canadian towns
Rain and snow a year968 mm
DunrobinMedian Canadian town
05001,0001,5002,000
Wetter than 67% of Canadian towns
Snowfall a year193 cm
DunrobinMedian Canadian town
0100200300400
Snowier than 70% of Canadian towns
Next door

Nearby towns’ climate

The nearest places on a normals location of their own: those that share Dunrobin’s would only repeat its figures.

TownJuly highJanuary lowRain & snow
Dunrobin Luskville26.9°C−16.0°C968 mm
Pontiac 7.4 km · Luskville26.9°C about the same−16.0°C about the same968 mm
Brookside - Briarbrook - Morgans Grant 9.0 km · Ottawa (City)26.7°C about the same−14.0°C 2.0°C milder938 mm
Month by month

Dunrobin weather by month

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

MonthHighLowMeanRain & snowSnow
January−5.4°C−16.0°C−10.9°C77 mm53 cm
February−3.2°C−15.3°C−9.2°C63 mm43 cm
March2.6°C−8.4°C−3.0°C63 mm31 cm
April11.3°C−0.2°C5.7°C74 mm6 cm
May19.8°C6.4°C13.1°C79 mm0 cm
June24.5°C11.6°C18.1°C99 mm0 cm
July26.9°C13.9°C20.2°C97 mm0 cm
August25.7°C12.8°C19.2°C96 mm0 cm
September21.2°C8.6°C14.9°C87 mm1 cm
October13.3°C2.8°C8.1°C84 mm1 cm
November5.6°C−3.1°C1.4°C74 mm16 cm
December−1.8°C−10.5°C−6.3°C76 mm43 cm
Year11.7°C0.2°C5.9°C968 mm193 cm
Year to year

From −34.0°C to 28.0°C: March’s coldest and warmest days since 1991

From one year to the next, January’s average typically shifts by 3.5°C around its normal of −10.9°C, the widest of any month, while August’s shifts by 1.1°C.

Record low to record high, 1991–2020Normal
Sources

Where Dunrobin’s numbers come from

Averages over 30 years, not a forecast.

  • Normals: the closest ECCC location with twelve months of temperature normals, Luskville, 1991–2020.
  • Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest 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 Dunrobin’s climate

How warm does Dunrobin get in summer?

Midsummer means July, with afternoons near 26.9°C on a typical day.

How cold does Dunrobin get in winter?

A typical January night falls to −16.0°C, the year’s low point.

How much rain and snow does Dunrobin get?

Measured as water, a year brings 968 mm: 99 mm in June, the wettest month, and 63 mm in February, the driest.

How long does snow stay on the ground?

In a normal winter there are about 108 days with at least 1 cm of snow lying.

Are these figures for Dunrobin itself?

No, they come from Luskville; ECCC keeps no 1991–2020 normals in Dunrobin itself.

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

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).