Boisbriand has warmer summer afternoons than 78% of Canadian towns
Nights in January average −13.5°C. It is a wet place: more rain and snow fall here than on 74% of Canadian towns. Expect the most rain and snow in October and the least in February. For walks and days out, the stretch from May to September brings highs of 19–27°C.
No ECCC station in Boisbriand has 1991–2020 normals; the page reads Montréal Trudeau (Airport), 18 km south-east, instead.
A year in Boisbriand at a glance
Each month’s typical high and low, in °C.
What stands out about Boisbriand’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Boisbriand feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 146 frosts and 121 warm days a year
Frost comes from October to April; in January almost every night freezes. Some 12 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
1,041 mm of precipitation in a typical year
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
Snowfall: about 217 cm in a normal 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 Boisbriand
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Degree days add up how far each day’s mean temperature falls below 18°C over a year. A house here needs less heating than 62% of Canadian towns.
Living with Boisbriand’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Seedlings can go out once the average last frost, around 29 April, has passed; autumn’s first, near 14 October, ends a season of about 167 days.
For long days outdoors, May, Jun, Jul, Aug and Sep bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →A wind chill below −20 is part of about 40 days a year here.
About 50 days a year turn sultry, with the humidex past 30.
Averages smooth over blizzards, ice storms, floods and heat waves; Boisbriand’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Montréal Trudeau (Airport)
Behind the 1991–2020 normals for Montréal Trudeau (Airport) are 3 stations, which ECCC combines into one record.
| Distance from the town | 18 km south-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, 38 km |
How Boisbriand 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 Boisbriand’s own would show the same figures). Distances here run 17–24 km: that is how far the nearest places with figures are from Boisbriand.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Boisbriand Montréal Trudeau (Airport) | 26.7°C | −13.5°C | 1,041 mm |
| Sainte-Anne-des-Plaines 17 km · L'Assomption | 26.6°C about the same | −16.0°C 2.5°C colder | 1,041 mm |
| Saint-Jérôme 23 km · Lachute | 26.5°C about the same | −14.7°C 1.2°C colder | 1,178 mm |
Boisbriand 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
From one year to the next, January’s average typically shifts by 3.0°C around its normal of −9.2°C, the widest of any month, while June’s shifts by 1.1°C.
Where Boisbriand’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: the 2,500-plus towns and neighbourhoods of Canada, each read from its closest normals location; whole cities and reserves aren’t counted.
- 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 Boisbriand’s climate
How warm does Boisbriand get in summer?
Summer peaks in July: a typical afternoon reaches 26.7°C.
How cold does Boisbriand get in winter?
The coldest nights come in January, averaging −13.5°C.
How much rain and snow does Boisbriand 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?
About 101 days a year have 1 cm of snow or more on the ground.
Are these figures for Boisbriand itself?
They describe Montréal Trudeau (Airport), the nearest normals location, rather than Boisbriand itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Boisbriand →
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).