Photo: P199 · CC BY-SA 3.0Summer arrives in force in Beaconsfield, hotter than in 78% of Canadian towns
Deep winter brings January lows near −13.5°C. Seasons differ by 40°C, from the coldest nights to the warmest afternoons. Rain and snow together come to more here than on 74% of Canadian towns. Windshields need scraping on about 146 mornings a year, the days the air reaches 0°C or below.
No ECCC station in Beaconsfield has 1991–2020 normals; the page reads Montréal Trudeau (Airport), 10 km north-east, instead.
A year in Beaconsfield at a glance
Each month’s typical high and low, in °C.
What stands out about Beaconsfield’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Beaconsfield feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 146 frosts and 121 warm days a year
The frost season runs October to April, and January freezes nearly every night. 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
About 1,041 mm of rain and snow a year
October brings the most rain and snow; February, the least. Some 122 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
217 cm of snow in a typical year
Snow falls from October to April, most of all in January (about 52 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Beaconsfield
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Behind the figure: the degrees each day’s mean falls under 18°C, summed for the year. By this count, homes here need less heating than 62% of Canadian towns.
Living with Beaconsfield’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Wait until about 29 April to plant out; frost tends to come back around 14 October, about 167 days later.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to May, Jun, Jul, Aug and Sep.
Parks & trails →The wind chill passes −20 on about 40 days in a normal year.
Expect around 50 sticky days a year with the humidex above 30.
Bad-weather days, from blizzards to floods, get their own page for Beaconsfield: the hazards page.
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 | 10 km north-east |
| 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 | Lachute, 43 km |
How Beaconsfield 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
The nearest places on a normals location of their own: those that share Beaconsfield’s would only repeat its figures. No closer places have figures: these lie 20–28 km from Beaconsfield.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Beaconsfield Montréal Trudeau (Airport) | 26.7°C | −13.5°C | 1,041 mm |
| Kanesatake 20 km · Lachute | 26.5°C about the same | −14.7°C 1.2°C colder | 1,178 mm |
| Saint-Rémi 27 km · L'Acadie | 26.6°C about the same | −13.6°C about the same | 1,041 mm |
| Salaberry-de-Valleyfield 28 km · St-Anicet | 26.7°C about the same | −13.0°C 0.5°C milder | 1,047 mm |
Beaconsfield 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 | −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
Year to year, January varies most (a standard deviation of 3.0°C around −9.2°C) and June least (1.1°C).
Where Beaconsfield’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Montréal Trudeau (Airport), 1991–2020, chosen as the nearest location with a full temperature record.
- Comparisons: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
- Not on this page: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Beaconsfield’s climate
How warm does Beaconsfield get in summer?
The warmest month is July, when afternoons average 26.7°C.
How cold does Beaconsfield get in winter?
At its coldest, in January, the normal low is −13.5°C.
How much rain and snow does Beaconsfield get?
Measured as water, a year brings 1,041 mm: 103 mm in October, the wettest month, and 66 mm in February, the driest.
How long does snow stay on the ground?
There is 1 cm of snow or more on the ground on roughly 101 days a year.
Are these figures for Beaconsfield itself?
No. ECCC measures normals at Montréal Trudeau (Airport), not in Beaconsfield; the page uses the nearest it has.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Beaconsfield →
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).