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Climate in Dauphin · ECCC 1991–2020 normals

Nights turn raw in Dauphin each January, colder than in 92% of Canadian towns

July afternoons average 25.1°C. Rain and snow together come to less here than on 78% of Canadian towns. The gap between a January night and a July afternoon is 46°C. Ice scrapers and block heaters earn their keep on roughly 201 days a year at 0°C or below.

July afternoons: cooler than 58% of Canadian towns
January nights: colder than 92% of Canadian towns
Rain and snow a year: drier than 78% of Canadian towns

Figures: ECCC’s 1991–2020 normals at Dauphin (10 km south-east).

A year in Dauphin at a glance

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

Jan−11°C−21°CColdest nights
Feb−8°C−19°C
Mar−1°C−12°C
Apr9°C−4°C
May17°C3°CLast frost ~21 May
Jun22°C10°CWettest
Jul25°C12°CWarmest
Aug25°C11°C
Sep19°C6°CFirst frost ~20 Sep
Oct10°C−1°C
Nov now0°C−10°C
Dec−8°C−18°CSnowiest

What stands out about Dauphin’s climate

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

A normal year

What a year in Dauphin feels like

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

Winter
−9°C / −19°C
46 mm, with 50 cm of snow
Spring
9°C / −4°C
103 mm, with 24 cm of snow
Summer
24°C / 11°C
212 mm of rain and snow, the wettest season
Autumn
9°C / −2°C
102 mm, with 21 cm of snow
Best months to be outsideJunJulAugHighs of 17–27°C and nights of 8°C or more
Frost & warm days

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

The frost season runs September to May, and January freezes nearly every night. On about 54 nights a year the air falls below −20°C.

201
Frost days a year (0°C or below)
More frosts than 90% of Canadian towns
114
Days that stay below 0°C
54
Nights a year below −20°C
103
Days a year above 20°C
10
Days a year above 30°C

Frost days by month

Average days at 0°C or below

31
JFMAMJJASOND

Days above 20°C by month

Average days

27
JFMAMJJASOND
Rain & snow

About 462 mm of rain and snow a year

The most falls in June, the least in February. 186th wettest of 190 towns of 2,500+ in Manitoba.

462 mm
Rain and snow a year
Drier than 78% of Canadian towns
87 mm
June, the wettest month
12 mm
February, the driest month

Rain and snow by month

Millimetres

87 mm
JFMAMJJASOND
Snow

About 95 cm of snow a year

From October to May snow is likely; December is the peak, at about 20 cm. 185th snowiest of 188 towns of 2,500+ in Manitoba.

95 cm
Snowfall a year
Less snowy than 90% of Canadian towns
40
Days a year with 0.2 cm of snow or more

Snowfall by month

Centimetres

20 cm
JFMAMJJASOND

ECCC’s Dauphin normals leave snowfall out; the figures here come from Roblin, 85 km away.

Heating

Heating a home in Dauphin

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

5,826 heating degree days (below 18°C)a year, 1991–2020
1,656 growing degree days (above 5°C)a year, 1991–2020

Behind the figure: the degrees each day’s mean falls under 18°C, summed for the year. A house here needs more heating than 97% of Canadian towns.

Living here

Living with Dauphin’s climate

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

The garden window

Count on about 121 frost-free days: the last frost averages 21 May, the first 20 September.

Get outside

Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul and Aug.

Parks & trails →
Wind chill

The wind chill passes −20 on about 83 days in a normal year.

Humidex

Count on some 30 humid days a year with the humidex past 30.

Storms and extremes

Bad-weather days, from blizzards to floods, get their own page for Dauphin: the hazards page.

Flood & hazards →
Weather station

ECCC’s normals location: Dauphin

ECCC builds the Dauphin normals from 3 stations’ records over 1991–2020, joined where one replaced another.

Distance from the town10 km south-east
Station altitude305 m
Completenessmeets the WMO “3 and 5” rule
WMO standard normalsNo
Snowfall fromRoblin, 85 km
Coldest reading, 1991–2020−41.4°C
Hottest reading, 1991–202039.0°C
Average wind14.8 km/h on average, most often from the west
Next-nearest locationRoblin, 85 km
Compared with other towns

How Dauphin compares

Against the 2,611 Canadian towns and neighbourhoods of 2,500 or more, each read from its own normals location; the dots are the other locations those towns use in Manitoba.

July afternoons25.1°C
DauphinMedian Canadian town
20°C22°C24°C26°C28°C
Cooler than 58% of Canadian towns
January nights−20.9°C
DauphinMedian Canadian town
−30°C−25°C−20°C−15°C−10°C
Colder than 92% of Canadian towns
Rain and snow a year462 mm
DauphinMedian Canadian town
05001,0001,500
Drier than 78% of Canadian towns186th wettest of 190 towns of 2,500+ in Manitoba
Snowfall a year95 cm
DauphinMedian Canadian town
0100200300
Less snowy than 90% of Canadian towns185th snowiest of 188 towns of 2,500+ in Manitoba
Next door

Nearby towns’ climate

Places around Dauphin whose figures come from another normals location. Dauphin has few close neighbours with figures, so the list reaches 39–79 km out.

TownJuly highJanuary lowRain & snow
Dauphin25.1°C−20.9°C462 mm
Grandview 39 km · Roblin23.7°C 1.4°C cooler−22.3°C 1.4°C colder448 mm
Clanwilliam-Erickson 78 km · Brandon24.9°C about the same−21.9°C 1.0°C colder489 mm
Month by month

Dauphin weather by month

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

MonthHighLowMeanRain & snowSnow
January−10.7°C−20.9°C−15.8°C17 mm20 cm
February−8.0°C−19.1°C−13.6°C12 mm10 cm
March−0.9°C−12.2°C−6.5°C25 mm15 cm
April9.3°C−3.6°C2.9°C26 mm7 cm
May17.2°C3.0°C10.2°C51 mm2 cm
June22.3°C9.8°C16.1°C87 mm0 cm
July25.1°C12.4°C18.8°C71 mm0 cm
August24.6°C10.8°C17.8°C55 mm0 cm
September18.9°C5.7°C12.3°C53 mm1 cm
October9.8°C−1.2°C4.3°C31 mm7 cm
November−0.4°C−9.6°C−5.0°C18 mm13 cm
December−8.0°C−17.7°C−12.9°C17 mm20 cm
Year8.3°C−3.5°C2.4°C462 mm95 cm
Year to year

December strays furthest from its normal year to year, by 4.4°C; July the least

Over 1991–2020, March saw both −39.0°C (2003) and 24.2°C (1993), the widest span of any month.

Record low to record high, 1991–2020Normal
Sources

Where Dauphin’s numbers come from

Averages over 30 years, not a forecast.

  • Normals: the 1991–2020 Canadian Climate Normals at Dauphin, the closest ECCC location with twelve months of temperature normals.
  • Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
  • Comparisons: every Canadian town and neighbourhood of 2,500 or more, each read from its own nearest location; city totals and reserves are left out.
  • Not on this page: sunshine, which none of ECCC’s 450 locations publishes for 1991–2020, and the town’s own height above sea level, so no figure is adjusted for altitude.

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

Questions about Dauphin’s climate

How warm does Dauphin get in summer?

On a normal day in July the thermometer climbs to 25.1°C, the warmest of the year.

How cold does Dauphin get in winter?

Deep winter means January, when nights average −20.9°C.

How much rain and snow does Dauphin get?

Some 462 mm falls in a year. Most of it comes in June (87 mm), the least in February (12 mm).

Are these figures for Dauphin itself?

They are: the normals station that gives them stands in Dauphin.

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

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).