July in Dutrisac runs hotter than in 78% of Canadian towns
Deep winter brings January lows near −13.5°C. Its yearly rain and snow top those of 74% of Canadian towns. The gap between a January night and a July afternoon is 40°C. Expect about 146 frosty starts a year, days when the air falls to freezing.
Figures: ECCC’s 1991–2020 normals for Montréal Trudeau (Airport) (7.9 km south-west).
A year in Dutrisac at a glance
Each month’s typical high and low, in °C.
What stands out about Dutrisac’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Dutrisac feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 146 days, 20°C on 121
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
1,041 mm of precipitation in a typical year
October brings the most rain and snow; February, the least. On about 122 days a year, 1 mm or more falls.
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 Dutrisac
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The total grows by a degree for every degree a day’s mean sits under 18°C. Homes here need less heating than 62% of Canadian towns.
Living with Dutrisac’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Count on about 167 frost-free days: the last frost averages 29 April, the first 14 October.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark May, Jun, Jul, Aug and Sep.
Parks & trails →Roughly 40 days a year feel colder than −20 in the wind.
The humidex tops 30 on about 50 days a year: muggy days to plan around.
Ice storms, floods and heat waves are risks, not averages: they are on Dutrisac’s hazards page.
Flood & hazards →ECCC’s normals location: Montréal Trudeau (Airport)
Montréal Trudeau (Airport) is a composite: ECCC joins 3 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 7.9 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, 37 km |
How Dutrisac 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 Quebec.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Dutrisac’s own would show the same figures). Dutrisac has few close neighbours with figures, so the list reaches 18–21 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Dutrisac Montréal Trudeau (Airport) | 26.7°C | −13.5°C | 1,041 mm |
| Montréal-Est 18 km · L'Assomption | 26.6°C about the same | −16.0°C 2.5°C colder | 1,041 mm |
| Brossard 19 km · L'Acadie | 26.6°C about the same | −13.6°C about the same | 1,041 mm |
Dutrisac 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 |
A March here can run from −26.9°C to 25.8°C
January is the least predictable month: about two years in three its average lands within 3.0°C of the normal, −9.2°C. June is the steadiest, within 1.1°C.
Where Dutrisac’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Montréal Trudeau (Airport), the closest ECCC location with twelve months of temperature normals.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- 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 Dutrisac’s climate
How warm does Dutrisac get in summer?
Afternoons average 26.7°C in July, the warmest time of year.
How cold does Dutrisac get in winter?
At its coldest, in January, the normal low is −13.5°C.
How much rain and snow does Dutrisac get?
Precipitation totals 1,041 mm a year, with October the wettest month (103 mm) and February the driest (66 mm).
How long does snow stay on the ground?
Snow lies on the ground for about 101 days in a normal year.
Are these figures for Dutrisac itself?
Close to it: they are ECCC’s 1991–2020 normals for Montréal Trudeau (Airport), just outside Dutrisac’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Dutrisac →
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).