Photo: Wtshymanski · CC BY-SA 3.0Midwinter lows in Montcalm sink below those of 95% of Canadian towns
July afternoons average 25.8°C. The gap between a January night and a July afternoon is 47°C. It is a dry place: less rain and snow fall here than on 72% of Canadian towns. Garden chairs stay out from June to August, the months with highs of 23–26°C.
Environment and Climate Change Canada’s 1991–2020 normals at its Winnipeg Richardson (Airport) station, 13 km north-west.
A year in Montcalm at a glance
Each month’s typical high and low, in °C.
What stands out about Montcalm’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Montcalm feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 193 frosts and 110 warm days a year
From September to May frost is routine, and in January it comes on almost every night. On about 52 nights a year the air falls below −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
519 mm of precipitation in a typical year
July brings the most rain and snow; February, the least. About 80 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 126 cm in a normal year
Snow falls from October to May, most of all in December (about 27 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Montcalm
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Heating degree days total each day’s gap between its mean temperature and 18°C. A house here needs more heating than 89% of Canadian towns.
Living with Montcalm’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Seedlings can go out once the average last frost, around 23 May, has passed; autumn’s first, near 22 September, ends a season of about 122 days.
The outdoor season by the averages is Jun, Jul and Aug, with highs of 17–27°C and lows of 8°C or more.
Parks & trails →The wind chill passes −20 on about 86 days in a normal year.
On some 37 days a year the humidex climbs past 30.
For the weather that does damage, from ice storms to floods, see Montcalm’s hazards page.
Flood & hazards →ECCC’s normals location: Winnipeg Richardson (Airport)
Behind the 1991–2020 normals for Winnipeg Richardson (Airport) are 4 stations, which ECCC combines into one record.
| Distance from the town | 13 km north-west |
| Station altitude | 239 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −41.8°C |
| Hottest reading, 1991–2020 | 37.8°C |
| Average wind | 17.5 km/h on average, most often from the south |
| Next-nearest location | Portage Southport, 81 km |
How Montcalm 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.
Nearby towns’ climate
Places around Montcalm whose figures come from another normals location. No closer places have figures: these lie 43–49 km from Montcalm.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Montcalm Winnipeg Richardson (Airport) | 25.8°C | −21.2°C | 519 mm |
| St-Pierre-Jolys 43 km · Emerson | 26.0°C about the same | −20.4°C 0.8°C milder | 543 mm |
| Cartier 45 km · Portage Southport | 25.4°C about the same | −19.1°C 2.1°C milder | 493 mm |
| Brokenhead 47 km · Pinawa | 25.2°C 0.6°C cooler | −21.7°C 0.5°C colder | 571 mm |
Montcalm weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −11.4°C | −21.2°C | −16.3°C | 18 mm | 25 cm |
| February | −8.8°C | −19.3°C | −14.1°C | 13 mm | 12 cm |
| March | −0.9°C | −11.2°C | −6.1°C | 26 mm | 19 cm |
| April | 10.0°C | −2.5°C | 3.8°C | 33 mm | 14 cm |
| May | 18.1°C | 4.2°C | 11.1°C | 70 mm | 4 cm |
| June | 23.3°C | 10.9°C | 17.1°C | 74 mm | 0 cm |
| July | 25.8°C | 13.2°C | 19.5°C | 77 mm | 0 cm |
| August | 25.4°C | 11.9°C | 18.7°C | 74 mm | 0 cm |
| September | 19.6°C | 6.9°C | 13.3°C | 53 mm | 0 cm |
| October | 10.4°C | −0.2°C | 5.1°C | 38 mm | 4 cm |
| November | 0.1°C | −8.8°C | −4.4°C | 25 mm | 21 cm |
| December | −8.2°C | −17.3°C | −12.7°C | 19 mm | 27 cm |
| Year | 8.6°C | −2.8°C | 2.9°C | 519 mm | 126 cm |
In March, anything from −37.4°C to 23.7°C
Bars run from each month’s record low to its record high over 1991–2020; December is the month whose average wanders most from year to year (±4.1°C around −12.7°C), July the one that wanders least (±1.4°C).
Where Montcalm’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Winnipeg Richardson (Airport), its nearest location with complete temperatures.
- 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: 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 Montcalm’s climate
How warm does Montcalm get in summer?
A normal July afternoon tops out at about 25.8°C, the year’s high point.
How cold does Montcalm get in winter?
January nights average −21.2°C, the coldest of the year.
How much rain and snow does Montcalm get?
Over twelve months, rain and melted snow come to 519 mm; the range runs from 13 mm in February to 77 mm in July.
Are these figures for Montcalm itself?
Close to it: they are ECCC’s 1991–2020 normals for Winnipeg Richardson (Airport), just outside Montcalm’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Montcalm →
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).