Summer afternoons in Duvernay are warmer than in 78% of Canadian towns
Midwinter brings lows of about −13.5°C. Rain and snow together come to more here than on 74% of Canadian towns. Seasons differ by 40°C, from the coldest nights to the warmest afternoons. Garden chairs stay out from May to September, the months with highs of 19–27°C.
The nearest ECCC normals location to Duvernay is Montréal Trudeau (Airport), 18 km south, and every figure on this page is its.
A year in Duvernay at a glance
Each month’s typical high and low, in °C.
What stands out about Duvernay’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Duvernay 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. Deep cold, under −20°C, comes on about 12 nights a year.
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 is the wettest month and February the driest. 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
Expect snow from October to April, with about 52 cm in January, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Duvernay
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. Over a year, a home here needs less heating than 62% of Canadian towns.
Living with Duvernay’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Frost usually lets go around 29 April and returns near 14 October, about 167 days apart.
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 →Frostbite weather, a wind chill under −20, turns up on about 40 days a year.
Summer brings about 50 days when the humidex passes 30.
Averages smooth over blizzards, ice storms, floods and heat waves; Duvernay’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 |
| 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'Assomption, 29 km |
How Duvernay 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 Duvernay’s own would show the same figures). No closer place has figures: this one lies 11 km from Duvernay.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Duvernay Montréal Trudeau (Airport) | 26.7°C | −13.5°C | 1,041 mm |
| Terrebonne 11 km · L'Assomption | 26.6°C about the same | −16.0°C 2.5°C colder | 1,041 mm |
Duvernay 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 |
A January here can run warm or cold, its average moving by about 3.0°C; the steadiest month is June
The thirty-year records stretch furthest in March: a low of −26.9°C in 1992 and a high of 25.8°C in 2012.
Where Duvernay’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Montréal Trudeau (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
- 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 Duvernay’s climate
How warm does Duvernay get in summer?
Summer peaks in July: a typical afternoon reaches 26.7°C.
How cold does Duvernay get in winter?
Lows sink to −13.5°C on an average January night.
How much rain and snow does Duvernay get?
Around 1,041 mm a year in all, from 103 mm in October down to 66 mm in February.
How long does snow stay on the ground?
Roughly 101 days a year start with snow cover of 1 cm or more.
Are these figures for Duvernay itself?
The figures are ECCC’s for Montréal Trudeau (Airport); Duvernay has no normals station.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Duvernay →
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).