Summer afternoons in René-Lévesque are warmer than in 78% of Canadian towns
On a normal January night the air cools to about −13.5°C. Counting rain and snow together, it is wetter than 74% of Canadian towns. The seasons are far apart: from a winter night to a summer afternoon the average spans 40°C. Comfortable outdoor weather lasts from May to September, with highs of 19–27°C.
1991–2020 normals from ECCC’s Montréal Trudeau (Airport) location, 15 km west.
A year in René-Lévesque at a glance
Each month’s typical high and low, in °C.
What stands out about René-Lévesque’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in René-Lévesque feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 146 frosts and 121 warm days a year
From October to April frost is routine, and in January it comes on almost 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
Rain and melted snow: about 1,041 mm 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
About 217 cm of snow a year
The snow season runs October to April; January brings the most, about 52 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in René-Lévesque
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Heating degree days total each day’s gap between its mean temperature and 18°C. Homes here need less heating than 62% of Canadian towns.
Living with René-Lévesque’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Gardens get from about 29 April to 14 October without frost, around 167 days in all.
Afternoons of 17–27°C and nights of at least 8°C arrive in May, Jun, Jul, Aug and Sep.
Parks & trails →About 40 days a year bring a wind chill under −20, when bare skin chills fast.
The humidex tops 30 on about 50 days a year: muggy days to plan around.
Storms, floods and heat waves sit outside these normals; René-Lévesque’s hazards page covers them.
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 | 15 km 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, 29 km |
How René-Lévesque 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 René-Lévesque’s own would show the same figures). Distances here run 10–14 km: that is how far the nearest places with figures are from René-Lévesque.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| René-Lévesque Montréal Trudeau (Airport) | 26.7°C | −13.5°C | 1,041 mm |
| Brossard 9.5 km · L'Acadie | 26.6°C about the same | −13.6°C about the same | 1,041 mm |
| Boucherville 14 km · L'Assomption | 26.6°C about the same | −16.0°C 2.5°C colder | 1,041 mm |
René-Lévesque weather by month
Month by month, 1991–2020: the usual high, low and mean, the rain and snow, and the 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
Records from 1991 to 2020: no month spans more than March, between −26.9°C (1992) and 25.8°C (2012).
Where René-Lévesque’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Montréal Trudeau (Airport), its nearest location with complete 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: 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 René-Lévesque’s climate
How warm does René-Lévesque get in summer?
Highs reach 26.7°C on an average July day; no month is warmer.
How cold does René-Lévesque get in winter?
At its coldest, in January, the normal low is −13.5°C.
How much rain and snow does René-Lévesque get?
Count on roughly 1,041 mm a year, heaviest in October (103 mm) and lightest in February (66 mm).
How long does snow stay on the ground?
On about 101 days a year the ground keeps at least 1 cm of snow.
Are these figures for René-Lévesque itself?
They are the normals for Montréal Trudeau (Airport), measured just outside René-Lévesque itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for René-Lévesque →
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).