Summer afternoons in Laval-des-Rapides are warmer than in 78% of Canadian towns
January nights here settle around −13.5°C. Its yearly rain and snow top those of 74% of Canadian towns. Rain or snow is most frequent in October and least in February. The furnace earns its keep from October to April, the months that average under 10°C.
These are not Laval-des-Rapides’s own readings: ECCC keeps no normals there, so the page uses Montréal Trudeau (Airport), 10 km south.
A year in Laval-des-Rapides at a glance
Each month’s typical high and low, in °C.
What stands out about Laval-des-Rapides’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Laval-des-Rapides 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
From October to April frost is routine, and in January it comes on almost every night. 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
Rain and melted snow: about 1,041 mm a year
About 122 days a year bring 1 mm 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 Laval-des-Rapides
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
A day averaging 10 degrees under 18°C adds 10 to the total; warm days add nothing. Over a year, a home here needs less heating than 62% of Canadian towns.
Living with Laval-des-Rapides’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Count on about 167 frost-free days: the last frost averages 29 April, the first 14 October.
Plan time outside for May, Jun, Jul, Aug and Sep: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →Frostbite weather, a wind chill under −20, turns up on about 40 days a year.
Plan shade and water for about 50 days a year above 30 on the humidex.
For blizzards, floods and wildfire, turn to Laval-des-Rapides’s hazards page.
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 | 10 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, 35 km |
How Laval-des-Rapides 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 Laval-des-Rapides’s own would show the same figures). No closer places have figures: these lie 18–22 km from Laval-des-Rapides.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Laval-des-Rapides 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 22 km · L'Acadie | 26.6°C about the same | −13.6°C about the same | 1,041 mm |
Laval-des-Rapides 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 |
The most changeable month: January, give or take 3.0°C; the steadiest, June
Bars run from each month’s record low to its record high since 1991. March spans the most, from −26.9°C (1992) to 25.8°C (2012).
Where Laval-des-Rapides’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Montréal Trudeau (Airport), 1991–2020.
- 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, which none of ECCC’s 450 locations publishes for 1991–2020, and the town’s own height above sea level, so no figure is adjusted for altitude.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Laval-des-Rapides’s climate
How warm does Laval-des-Rapides get in summer?
At its warmest, in July, the normal high is 26.7°C.
How cold does Laval-des-Rapides get in winter?
The coldest nights come in January, averaging −13.5°C.
How much rain and snow does Laval-des-Rapides 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?
Snow cover of 1 cm or more lasts about 101 days in a typical year.
Are these figures for Laval-des-Rapides itself?
No: Laval-des-Rapides has no normals location, so the figures come from Montréal Trudeau (Airport), the nearest with 1991–2020 normals.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Laval-des-Rapides →
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).