Summer afternoons in Outremont are warmer than in 78% of Canadian towns
Nights in January average −13.5°C. Precipitation peaks in October and eases off in February. Rain and snow together come to more here than on 74% of Canadian towns. About 122 days a year bring 1 mm of precipitation or more.
Read at Montréal Trudeau (Airport), 12 km south-west: ECCC’s normals for 1991–2020.
A year in Outremont at a glance
Each month’s typical high and low, in °C.
What stands out about Outremont’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Outremont feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 146 days, 20°C on 121
Frost comes from October to April; in January almost every night freezes. On about 12 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
1,041 mm of precipitation in a typical year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 217 cm of snow a year
From October to April snow is likely; January is the peak, at about 52 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Outremont
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Measured against 18°C: each day’s shortfall in mean temperature, added over twelve months. That means homes here need less heating than 62% of Canadian towns.
Living with Outremont’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Tender plants are usually safe from around 29 April until frost returns near 14 October: about 167 days.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: May, Jun, Jul, Aug and Sep.
Parks & trails →About 40 days a year bring a wind chill under −20, when bare skin chills fast.
Summer brings about 50 days when the humidex passes 30.
A typical year is calm by definition; Outremont’s hazards page covers the exceptions.
Flood & hazards →ECCC’s normals location: Montréal Trudeau (Airport)
ECCC builds the Montréal Trudeau (Airport) normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 12 km south-west |
| Station altitude | 36 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −31.8°C |
| Hottest reading, 1991–2020 | 36.6°C |
| Average wind | 15.4 km/h on average, most often from the west |
| Next-nearest location | L'Acadie, 33 km |
How Outremont 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 Quebec.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Outremont’s own would show the same figures). No closer places have figures: these lie 13–17 km from Outremont.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Outremont Montréal Trudeau (Airport) | 26.7°C | −13.5°C | 1,041 mm |
| Brossard 13 km · L'Acadie | 26.6°C about the same | −13.6°C about the same | 1,041 mm |
| Montréal-Est 15 km · L'Assomption | 26.6°C about the same | −16.0°C 2.5°C colder | 1,041 mm |
Outremont weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −5.0°C | −13.5°C | −9.2°C | 86 mm | 52 cm |
| February | −3.4°C | −12.4°C | −8.0°C | 66 mm | 47 cm |
| March | 2.4°C | −6.5°C | −2.0°C | 77 mm | 37 cm |
| April | 11.3°C | 1.1°C | 6.2°C | 90 mm | 15 cm |
| May | 19.4°C | 8.3°C | 13.9°C | 86 mm | 0 cm |
| June | 24.2°C | 13.8°C | 19.0°C | 84 mm | 0 cm |
| July | 26.7°C | 16.7°C | 21.7°C | 91 mm | 0 cm |
| August | 25.7°C | 15.6°C | 20.6°C | 94 mm | 0 cm |
| September | 21.1°C | 10.9°C | 16.0°C | 89 mm | 0 cm |
| October | 13.2°C | 4.5°C | 8.9°C | 103 mm | 1 cm |
| November | 6.1°C | −1.7°C | 2.3°C | 84 mm | 16 cm |
| December | −1.2°C | −8.7°C | −5.0°C | 92 mm | 48 cm |
| Year | 11.7°C | 2.3°C | 7.0°C | 1,041 mm | 217 cm |
From −26.9°C to 25.8°C: March’s coldest and warmest days since 1991
The month to count on least is January: one year in three its average strays more than 3.0°C from −9.2°C. June moves least, typically by 1.1°C.
Where Outremont’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Montréal Trudeau (Airport), the nearest location with a full year of temperatures.
- Comparisons: every place of 2,500+ in Canada but the city hubs and the reserves, each on its nearest ECCC location.
- 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 Outremont’s climate
How warm does Outremont get in summer?
Of all twelve months, July has the warmest afternoons, about 26.7°C.
How cold does Outremont get in winter?
Expect nights around −13.5°C in January; no month is colder.
How much rain and snow does Outremont get?
Some 1,041 mm falls in a year. Most of it comes in October (103 mm), the least in February (66 mm).
How long does snow stay on the ground?
Snow covers the ground, 1 cm or more, on about 101 days a year.
Are these figures for Outremont itself?
They are the normals for Montréal Trudeau (Airport), measured just outside Outremont itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Outremont →
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).