Winter nights in Chalmers are colder than in 95% of Canadian towns
The warmest part of a July day comes in at 25.8°C on average. Rain and snow together come to less here than on 72% of Canadian towns. The wettest month is July; the driest is February. Picnics, hikes and garden evenings come into their own from June to August, with highs of 23–26°C.
Environment and Climate Change Canada’s 1991–2020 normals at its Winnipeg Richardson (Airport) station, 8.8 km west.
A year in Chalmers at a glance
Each month’s typical high and low, in °C.
What stands out about Chalmers’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Chalmers feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
193 frost days and 110 days above 20°C 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
About 519 mm of rain and snow a year
On about 80 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 126 cm of snow a 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 Chalmers
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
One degree below 18°C for one day makes one heating degree day; the year’s days are added together. Homes here need more heating than 89% of Canadian towns.
Living with Chalmers’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Tender plants are usually safe from around 23 May until frost returns near 22 September: 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 →Wind chill falls below −20 on about 86 days a year: cover skin and dress in layers.
The humidex tops 30 on about 37 days a year: muggy days to plan around.
A normal year has no blizzard, flood or heat wave in it; Chalmers’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: Winnipeg Richardson (Airport)
ECCC builds the Winnipeg Richardson (Airport) normals from 4 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 8.8 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, 80 km |
How Chalmers 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 Manitoba.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Chalmers’s would only repeat its figures. The nearest places to Chalmers with figures are 38–48 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Chalmers Winnipeg Richardson (Airport) | 25.8°C | −21.2°C | 519 mm |
| Brokenhead 38 km · Pinawa | 25.2°C 0.6°C cooler | −21.7°C 0.5°C colder | 571 mm |
| Cartier 48 km · Portage Southport | 25.4°C about the same | −19.1°C 2.1°C milder | 493 mm |
Chalmers 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 | −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
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 Chalmers’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Winnipeg Richardson (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- Not on this page: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Chalmers’s climate
How warm does Chalmers get in summer?
Peak warmth comes in July, at about 25.8°C by mid-afternoon.
How cold does Chalmers get in winter?
The coldest nights come in January, averaging −21.2°C.
How much rain and snow does Chalmers get?
Rain and snow, with snow counted as water, total 519 mm a year; July leads with 77 mm and February trails with 13 mm.
Are these figures for Chalmers itself?
Almost: ECCC’s Winnipeg Richardson (Airport) location, which gives these figures, lies a short way outside Chalmers.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Chalmers →
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).