Winter nights in Rossmere-A are colder than in 95% of Canadian towns
On a normal July day the thermometer tops out near 25.8°C. Its yearly rain and snow fall short of 72% of Canadian towns. Rain or snow is most frequent in July and least in February. Plan for rain or snow on about 80 days a year, the days with 1 mm or more.
Read at Winnipeg Richardson (Airport), 11 km west: ECCC’s normals for 1991–2020.
A year in Rossmere-A at a glance
Each month’s typical high and low, in °C.
What stands out about Rossmere-A’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Rossmere-A feels like
Each season’s and each month’s usual high and low, 1991–2020.
Frost on 193 days, 20°C on 110
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
Rain and melted snow: about 519 mm a year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 126 cm in a normal year
Expect snow from October to May, with about 27 cm in December, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Rossmere-A
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Think of it as a year’s worth of daily shortfalls below 18°C, added up. Over a year, a home here needs more heating than 89% of Canadian towns.
Living with Rossmere-A’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
About 122 days a year pass without frost, from an average last frost of 23 May to a first of 22 September.
Plan time outside for Jun, Jul and Aug: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →About 86 days a year bring a wind chill under −20, when bare skin chills fast.
Humid summer days, the humidex above 30, number about 37 a year.
A typical year is calm by definition; Rossmere-A’s hazards page covers the exceptions.
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 | 11 km 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 | Gimli, 77 km |
How Rossmere-A compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Manitoba.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Rossmere-A’s would only repeat its figures. Distances here run 34–56 km: that is how far the nearest places with figures are from Rossmere-A.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Rossmere-A Winnipeg Richardson (Airport) | 25.8°C | −21.2°C | 519 mm |
| Brokenhead 34 km · Pinawa | 25.2°C 0.6°C cooler | −21.7°C 0.5°C colder | 571 mm |
| Cartier 50 km · Portage Southport | 25.4°C about the same | −19.1°C 2.1°C milder | 493 mm |
| Teulon 51 km · Gimli | 25.3°C 0.5°C cooler | −22.7°C 1.5°C colder | 517 mm |
| St-Pierre-Jolys 56 km · Emerson | 26.0°C about the same | −20.4°C 0.8°C milder | 543 mm |
Rossmere-A weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| 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 |
The month with the widest range: March, −37.4°C to 23.7°C
December is the least predictable month: about two years in three its average lands within 4.1°C of the normal, −12.7°C. July is the steadiest, within 1.4°C.
Where Rossmere-A’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Winnipeg Richardson (Airport), the closest ECCC location with twelve months of temperature normals.
- 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, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Rossmere-A’s climate
How warm does Rossmere-A get in summer?
On a normal day in July the thermometer climbs to 25.8°C, the warmest of the year.
How cold does Rossmere-A get in winter?
Deep winter means January, when nights average −21.2°C.
How much rain and snow does Rossmere-A get?
A normal year brings 519 mm, snow included as water: July is wettest at 77 mm, February driest at 13 mm.
Are these figures for Rossmere-A itself?
Almost: ECCC’s Winnipeg Richardson (Airport) location, which gives these figures, lies a short way outside Rossmere-A.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Rossmere-A →
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).