Les Coteaux has warmer summer afternoons than 78% of Canadian towns
In January the night’s low is typically −13.0°C. Precipitation is plentiful here, more than falls on 78% of Canadian towns. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 40°C apart. Heating does most of its work from October to April, in months below 10°C on average.
These are not Les Coteaux’s own readings: ECCC keeps no normals there, so the page uses St-Anicet, 19 km south-west.
A year in Les Coteaux at a glance
Each month’s typical high and low, in °C.
What stands out about Les Coteaux’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Les Coteaux feels like
Each season’s and each month’s usual high and low, 1991–2020.
147 frost days and 121 days above 20°C a year
Frost comes from October to April; in January almost every night freezes. Deep cold, under −20°C, comes on about 13 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
1,047 mm of precipitation in a typical year
The most falls in October, the least in February. Some 141 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 170 cm of snow a year
From November to April snow is likely; January is the peak, at about 44 cm. 484th snowiest of 493 towns of 2,500+ in Quebec.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Les Coteaux
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
One degree below 18°C for one day makes one heating degree day; the year’s days are added together. Homes here need less heating than 67% of Canadian towns.
Living with Les Coteaux’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Between the last frost, near 28 April, and the first, near 7 October, lie about 161 frost-free days.
Afternoons of 17–27°C and nights of at least 8°C arrive in May, Jun, Jul, Aug and Sep.
Parks & trails →A wind chill below −20 is part of about 36 days a year here.
About 60 days a year feel above 30 on the humidex.
The normals describe a typical year, not its worst days; the hazards page covers Les Coteaux’s.
Flood & hazards →ECCC’s normals location: St-Anicet
ECCC builds the St-Anicet normals from 2 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 19 km south-west |
| Station altitude | 53 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −38.0°C |
| Hottest reading, 1991–2020 | 36.0°C |
| Average wind | 10.8 km/h on average, most often from the west |
| Next-nearest location | Montréal Trudeau (Airport), 43 km |
How Les Coteaux 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 Les Coteaux’s would only repeat its figures. No closer places have figures: these lie 13–20 km from Les Coteaux.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Les Coteaux St-Anicet | 26.7°C | −13.0°C | 1,047 mm |
| Les Cèdres 13 km · Montréal Trudeau (Airport) | 26.7°C about the same | −13.5°C 0.5°C colder | 1,041 mm |
| Sainte-Marthe 15 km · Lachute | 26.5°C about the same | −14.7°C 1.7°C colder | 1,178 mm |
Les Coteaux 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 | −4.1°C | −13.0°C | −8.7°C | 73 mm | 44 cm |
| February | −2.7°C | −12.1°C | −7.5°C | 59 mm | 41 cm |
| March | 2.8°C | −6.2°C | −1.6°C | 67 mm | 33 cm |
| April | 11.3°C | 1.6°C | 6.6°C | 97 mm | 8 cm |
| May | 19.5°C | 8.5°C | 14.0°C | 90 mm | 0 cm |
| June | 24.3°C | 13.8°C | 19.1°C | 105 mm | 0 cm |
| July | 26.7°C | 16.2°C | 21.2°C | 100 mm | 0 cm |
| August | 25.8°C | 15.0°C | 20.3°C | 89 mm | 0 cm |
| September | 21.6°C | 11.0°C | 16.2°C | 99 mm | 0 cm |
| October | 14.0°C | 4.9°C | 9.5°C | 109 mm | 1 cm |
| November | 6.6°C | −1.0°C | 3.0°C | 81 mm | 10 cm |
| December | −0.3°C | −7.6°C | −4.2°C | 77 mm | 34 cm |
| Year | 12.1°C | 2.6°C | 7.3°C | 1,047 mm | 170 cm |
March: −29.0°C at its coldest, 27.0°C at its warmest
Year to year, January varies most (a standard deviation of 3.2°C around −8.7°C) and August least (1.0°C).
Where Les Coteaux’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for St-Anicet, the nearest location with a full year of temperatures.
- 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 Les Coteaux’s climate
How warm does Les Coteaux get in summer?
In July, the warmest month, the typical high is 26.7°C.
How cold does Les Coteaux get in winter?
The coldest nights come in January, averaging −13.0°C.
How much rain and snow does Les Coteaux get?
Measured as water, a year brings 1,047 mm: 109 mm in October, the wettest month, and 59 mm in February, the driest.
How long does snow stay on the ground?
Snow cover of 1 cm or more lasts about 110 days in a typical year.
Are these figures for Les Coteaux itself?
Not quite: they come from St-Anicet, the closest ECCC normals location to Les Coteaux.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Les Coteaux →
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).