Summer arrives in force in Sainte-Rose, hotter than in 78% of Canadian towns
Nights in January average −13.5°C. It is a wet place: more rain and snow fall here than on 74% of Canadian towns. Winter and summer sit 40°C apart. The heating season runs October to April: each of those months averages under 10°C.
Borrowed figures: Sainte-Rose has no normals station, so these come from Montréal Trudeau (Airport), 15 km south.
A year in Sainte-Rose at a glance
Each month’s typical high and low, in °C.
What stands out about Sainte-Rose’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Sainte-Rose feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 146 frosts and 121 warm days a year
Frost comes from October to April; in January almost every night freezes. 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
About 1,041 mm of rain and snow a year
October brings the most rain and snow; February, the least. About 122 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 217 cm in a normal 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 Sainte-Rose
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
A heating degree day is one degree of shortfall below 18°C for one day, summed over the year. A house here needs less heating than 62% of Canadian towns.
Living with Sainte-Rose’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Plant out after about 29 April; the first frost of autumn usually arrives near 14 October, leaving roughly 167 days without frost.
Highs of 17–27°C with nights of 8°C or more come in May, Jun, Jul, Aug and Sep.
Parks & trails →Frostbite weather, a wind chill under −20, turns up on about 40 days a year.
Humid heat, a humidex over 30, comes on about 50 days a year.
A normal year has no blizzard, flood or heat wave in it; Sainte-Rose’s hazards page looks at those.
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 | 15 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, 36 km |
How Sainte-Rose compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Quebec.
Nearby towns’ climate
Places around Sainte-Rose whose figures come from another normals location. Sainte-Rose has no close neighbour with figures; the nearest is 15 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Sainte-Rose Montréal Trudeau (Airport) | 26.7°C | −13.5°C | 1,041 mm |
| Terrebonne 15 km · L'Assomption | 26.6°C about the same | −16.0°C 2.5°C colder | 1,041 mm |
Sainte-Rose 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 |
The month with the widest range: March, −26.9°C to 25.8°C
Bars run from each month’s record low to its record high over 1991–2020; January is the month whose average wanders most from year to year (±3.0°C around −9.2°C), June the one that wanders least (±1.1°C).
Where Sainte-Rose’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, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Sainte-Rose’s climate
How warm does Sainte-Rose get in summer?
At its warmest, in July, the normal high is 26.7°C.
How cold does Sainte-Rose get in winter?
Overnight lows average −13.5°C in January, the coldest month.
How much rain and snow does Sainte-Rose 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?
About 101 days a year count as snow-covered, with 1 cm or more.
Are these figures for Sainte-Rose itself?
Not as such: Montréal Trudeau (Airport) is the nearest normals location, and Sainte-Rose has none.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Sainte-Rose →
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).