Climate in Nelson House 170 · ECCC 1991–2020 normals

Nelson House 170 has some of the coldest winter nights among Canadian towns

Sunny July days climb to about 23.1°C. The seasons are far apart: from a winter night to a summer afternoon the average spans 52°C. By July afternoons alone, it runs cooler than 88% of Canadian towns. About 87 days a year bring 1 mm of precipitation or more.

July afternoons: cooler than 88% of Canadian towns

January nights: colder than almost every Canadian town

Rain and snow a year: drier than 69% of Canadian towns

Nelson House 170 has no ECCC normals station nearby: the figures come from Thompson, 64 km east, so read them as the wider area’s climate.

July high

23.1°C

Typical Canadian town 25.5°C

January low

−28.7°C

Typical Canadian town −13.5°C

Rain & snow a year

522 mm

Typical Canadian town 883 mm

Snowfall a year

180 cm

Typical Canadian town 141 cm

Frost days

239

a year at 0°C or below

Frost-free days

14 Jun to 28 Aug

A year in Nelson House 170 at a glance

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

Jan−18°C−29°CColdest nights

Feb−13°C−27°C

Mar−5°C−20°C

Apr5°C−10°C

May13°C−1°C

Jun20°C6°CLast frost ~14 Jun

Jul23°C9°CWarmestWettest

Aug21°C8°CFirst frost ~28 Aug

Sep14°C2°C

Oct4°C−4°C

Nov now−7°C−16°CSnowiest

Dec−16°C−26°C

What stands out about Nelson House 170’s climate

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

A wider year than almost every Canadian townFrom January nights to July afternoons, the year spans 51.8°C.Colder than almost every Canadian townJanuary nights average −28.7°C, the coldest of the year. 189th mildest of 190 towns of 2,500+ in Manitoba.Cooler than 88% of Canadian townsJuly afternoons average 23.1°C, the warmest of the year. 189th warmest of 190 towns of 2,500+ in Manitoba.

A normal year

What a year in Nelson House 170 feels like

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

Winter

−16°C / −27°C

58 mm, with 69 cm of snow

Spring

4°C / −10°C

89 mm, with 52 cm of snow

Summer

22°C / 8°C

244 mm of rain and snow, the wettest season

Autumn

4°C / −6°C

130 mm, with 58 cm of snow

−40°

−30°

−20°

−10°

0°

10°

20°

30°

−18°C−29°C

−13°C−27°C

−5°C−20°C

5°C−10°C

13°C−1°C

20°C6°C

23°C9°C

21°C8°C

14°C2°C

4°C−4°C

−7°C−16°C

−16°C−26°C

JanFebMarAprMayJunJulAugSepOctNovDec

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

Frost & warm days

239 frost days and 69 days above 20°C a year

Frost comes from August to June; in January almost every night freezes. Deep cold, under −20°C, comes on about 101 nights a year.

74 frost-free days · average dates, 1991–2020

14 Jun 28 Aug

JanFebMarAprMayJunJulAugSepOctNovDec

239

Frost days a year (0°C or below)

More frosts than almost every Canadian town

152

Days that stay below 0°C

101

Nights a year below −20°C

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 522 mm a year

The most falls in July, the least in February.

522 mm

Rain and snow a year

Drier than 69% of Canadian towns

366 mm

Of it as rain alone (70%)

91 mm

July, the wettest month

16 mm

February, the driest month

Rain and snow by month

Millimetres

91 mm

JFMAMJJASOND

Rain alone by month

Millimetres

91 mm

JFMAMJJASOND

Snow

Snowfall: about 180 cm in a normal year

Expect snow from September to May, with about 34 cm in November, the snowiest month. 3rd snowiest of 188 towns of 2,500+ in Manitoba.

180 cm

Snowfall a year

Snowier than 64% of Canadian towns

Days a year with 0.2 cm of snow or more

183

Days a year with 1 cm or more on the ground

42 cm

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

Snowfall by month

Centimetres

34 cm

JFMAMJJASOND

Snow on the ground by month

Centimetres at month’s end

42 cm

JFMAMJJASOND

Heating

Heating a home in Nelson House 170

86% of a year’s heating need falls between October and April. Months averaging under 10°C: September to May.

7,621 heating degree days (below 18°C)a year, 1991–2020

1,093 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 almost every Canadian town.

Living here

Living with Nelson House 170’s climate

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

The garden window

The growing season between frosts lasts about 74 days, roughly 14 June to 28 August.

Get outside

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

Parks & trails →

Wind chill

A wind chill below −20 is part of about 126 days a year here.

Humidex

Muggy heat with a humidex over 30 arrives on about 11 days a year.

Storms and extremes

Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Nelson House 170’s hazards page.

Flood & hazards →

Weather station

ECCC’s normals location: Thompson

Behind the 1991–2020 normals for Thompson are 2 stations, which ECCC combines into one record.

Distance from the town	64 km east
Station altitude	224 m
Completeness	at least 25 years
WMO standard normals	No
Coldest reading, 1991–2020	−47.0°C
Hottest reading, 1991–2020	37.4°C
Average wind	11.6 km/h on average, most often from the west
Next-nearest location	Lynn Lake, 179 km

Compared with other towns

How Nelson House 170 compares

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

July afternoons23.1°C

Nelson House 170Median Canadian town

20°C22°C24°C26°C28°C

Cooler than 88% of Canadian towns189th warmest of 190 towns of 2,500+ in Manitoba

January nights−28.7°C

Nelson House 170Median Canadian town

−30°C−25°C−20°C−15°C−10°C

Colder than almost every Canadian town189th mildest of 190 towns of 2,500+ in Manitoba

Rain and snow a year522 mm

Nelson House 170Median Canadian town

05001,0001,500

Drier than 69% of Canadian towns

Snowfall a year180 cm

Nelson House 170Median Canadian town

0100200300

Snowier than 64% of Canadian towns3rd snowiest of 188 towns of 2,500+ in Manitoba

Next door

Nearby towns’ climate

The nearest places on a normals location of their own: those that share Nelson House 170’s would only repeat its figures. The nearest places to Nelson House 170 with figures are 127–148 km away.

Town	July high	January low	Rain & snow
Nelson House 170 Thompson	23.1°C	−28.7°C	522 mm
Snow Lake 127 km · Flin Flon	23.7°C 0.6°C warmer	−24.1°C 4.6°C milder	491 mm
Cross Lake 19A 146 km · Norway House	23.5°C about the same	−25.5°C 3.2°C milder	495 mm
Pukatawagan 198 148 km · Island Falls	23.0°C about the same	−26.2°C 2.5°C milder	489 mm

Month by month

Nelson House 170 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	−18.1°C	−28.7°C	−23.4°C	20 mm	24 cm
February	−13.4°C	−26.8°C	−20.1°C	16 mm	18 cm
March	−5.3°C	−20.4°C	−12.9°C	23 mm	24 cm
April	4.7°C	−9.6°C	−2.5°C	24 mm	19 cm
May	12.9°C	−1.0°C	6.0°C	43 mm	9 cm
June	20.2°C	5.6°C	12.9°C	68 mm	1 cm
July	23.1°C	9.3°C	16.2°C	91 mm	0 cm
August	21.2°C	7.8°C	14.5°C	86 mm	0 cm
September	14.2°C	2.1°C	8.2°C	60 mm	2 cm
October	4.3°C	−4.0°C	0.2°C	40 mm	23 cm
November	−7.1°C	−16.4°C	−11.8°C	30 mm	34 cm
December	−15.5°C	−25.7°C	−20.6°C	22 mm	27 cm
Year	3.4°C	−9.0°C	−2.8°C	522 mm	180 cm

Year to year

The month with the widest range: April, −32.8°C to 26.2°C

December is the least predictable month: about two years in three its average lands within 4.1°C of the normal, −20.6°C. July is the steadiest, within 1.2°C.

−50°

−40°

−30°

−20°

−10°

0°

10°

20°

30°

40°

JanFebMarAprMayJunJulAugSepOctNovDec

Record low to record high, 1991–2020Normal

Sources

Where Nelson House 170’s numbers come from

Averages over 30 years, not a forecast.

Normals: the 1991–2020 normals from ECCC for Thompson, 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: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.

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

Questions about Nelson House 170’s climate

How warm does Nelson House 170 get in summer?

At its warmest, in July, the normal high is 23.1°C.

How cold does Nelson House 170 get in winter?

The coldest nights come in January, averaging −28.7°C.

How much rain and snow does Nelson House 170 get?

About 522 mm a year, rain and melted snow together. July is the wettest month (91 mm) and February the driest (16 mm).

How long does snow stay on the ground?

About 183 days a year count as snow-covered, with 1 cm or more.

Are these figures for Nelson House 170 itself?

Not really: Thompson, the closest location with normals, lies well away from Nelson House 170.

Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Nelson House 170 →

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).