Few Canadian towns get less rain and snow than Westmount: 357 mm a year
Midsummer highs settle at about 25.0°C. By frosts alone, it ranks colder than 92% of Canadian towns. Precipitation peaks in June and eases off in February. Windshields need scraping on about 203 mornings a year, the days the air reaches 0°C or below.
Environment and Climate Change Canada’s 1991–2020 normals at its Saskatoon Diefenbaker (Airport) station, 4.9 km north-west.
A year in Westmount at a glance
Each month’s typical high and low, in °C.
What stands out about Westmount’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Saskatchewan beside it.
What a year in Westmount feels like
Each season’s and each month’s usual high and low, 1991–2020.
203 frost days and 105 days above 20°C a year
From September to May frost is routine, and in January it comes on almost every night. Some 49 nights a year drop under −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
357 mm of precipitation in a typical year
About 63 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 91 cm of snow a year
Snow falls from October to May, most of all in January (about 20 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Westmount
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Warm days count for nothing; each colder day adds how far its mean sits below 18°C. A house here needs more heating than 95% of Canadian towns.
Living with Westmount’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Between the last frost, near 19 May, and the first, near 15 September, lie about 117 frost-free 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 →On some 83 days a year the wind chill drops past −20; mitts and a scarf earn their place.
The air feels heavier than 30 on the humidex for about 22 days a year.
For blizzards, floods and wildfire, turn to Westmount’s hazards page.
Flood & hazards →ECCC’s normals location: Saskatoon Diefenbaker (Airport)
ECCC builds the Saskatoon Diefenbaker (Airport) normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 4.9 km north-west |
| Station altitude | 504 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −44.9°C |
| Hottest reading, 1991–2020 | 38.6°C |
| Average wind | 15.3 km/h on average, most often from the north-west |
| Next-nearest location | Watrous, 98 km |
How Westmount 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 Saskatchewan.
Nearby towns’ climate
Places around Westmount whose figures come from another normals location. Distances here run 76–98 km: that is how far the nearest places with figures are from Westmount.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Westmount Saskatoon Diefenbaker (Airport) | 25.0°C | −20.7°C | 357 mm |
| Outlook 76 km · Rock Point | 25.2°C about the same | −16.9°C 3.8°C milder | 418 mm |
| Beardy's 97 and Okemasis 96 83 km · Prince Albert | 24.2°C 0.8°C cooler | −22.8°C 2.1°C colder | 432 mm |
| Biggar 89 km · Rosetown | 25.2°C about the same | −19.9°C 0.8°C milder | 338 mm |
Westmount weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −10.0°C | −20.7°C | −15.4°C | 14 mm | 20 cm |
| February | −7.9°C | −18.9°C | −13.4°C | 9 mm | 11 cm |
| March | −0.7°C | −11.4°C | −6.1°C | 14 mm | 14 cm |
| April | 10.5°C | −2.6°C | 3.9°C | 23 mm | 8 cm |
| May | 18.3°C | 3.4°C | 10.9°C | 42 mm | 1 cm |
| June | 22.1°C | 9.0°C | 15.6°C | 75 mm | 0 cm |
| July | 25.0°C | 11.5°C | 18.3°C | 59 mm | 0 cm |
| August | 24.8°C | 10.0°C | 17.4°C | 43 mm | 0 cm |
| September | 19.1°C | 4.7°C | 11.9°C | 32 mm | under 1 cm |
| October | 9.9°C | −2.4°C | 3.7°C | 21 mm | 7 cm |
| November | −0.7°C | −10.4°C | −5.6°C | 14 mm | 13 cm |
| December | −8.0°C | −18.0°C | −13.0°C | 12 mm | 17 cm |
| Year | 8.5°C | −3.8°C | 2.4°C | 357 mm | 91 cm |
A February here can run warm or cold, its average moving by about 4.4°C; the steadiest month is June
Bars run from each month’s record low to its record high since 1991. March spans the most, from −38.3°C (2003) to 19.6°C (2015).
Where Westmount’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Saskatoon Diefenbaker (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
- 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 Westmount’s climate
How warm does Westmount get in summer?
Peak warmth comes in July, at about 25.0°C by mid-afternoon.
How cold does Westmount get in winter?
Lows sink to −20.7°C on an average January night.
How much rain and snow does Westmount get?
A normal year brings 357 mm, snow included as water: June is wettest at 75 mm, February driest at 9 mm.
Are these figures for Westmount itself?
Close to it: they are ECCC’s 1991–2020 normals for Saskatoon Diefenbaker (Airport), just outside Westmount’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Westmount →
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).