July in Saint-Robert runs hotter than in 78% of Canadian towns
Deep winter brings January lows near −13.5°C. Counting rain and snow together, it is wetter than 74% of Canadian towns. The gap between a January night and a July afternoon is 40°C. Ice scrapers and block heaters earn their keep on roughly 146 days a year at 0°C or below.
No ECCC station in Saint-Robert has 1991–2020 normals; the page reads Montréal Trudeau (Airport), 23 km west, instead.
A year in Saint-Robert at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Robert’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Robert feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
146 frost days and 121 days above 20°C a year
From October to April frost is routine, and in January it comes on almost 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
Rain and melted snow: about 1,041 mm a year
The most falls in October, the least in February. 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 Saint-Robert
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Every day colder than 18°C on average adds its gap in degrees to the year’s heating total. Over a year, a home here needs less heating than 62% of Canadian towns.
Living with Saint-Robert’s climate
What the normals mean for a garden, a day outside and the depth of winter.
The frost-free stretch runs from about 29 April to about 14 October, some 167 days in a normal year.
Afternoons of 17–27°C and nights of at least 8°C arrive in May, Jun, Jul, Aug and Sep.
Parks & trails →Count on some 40 days a year when the wind makes it feel below −20.
About 50 days a year turn sultry, with the humidex past 30.
Thirty-year normals hide the storms and the extremes: the hazards page has Saint-Robert’s risks.
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 | 23 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, 26 km |
How Saint-Robert 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
Places around Saint-Robert whose figures come from another normals location. The nearest places to Saint-Robert with figures are 6–12 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Robert Montréal Trudeau (Airport) | 26.7°C | −13.5°C | 1,041 mm |
| Brossard 6.0 km · L'Acadie | 26.6°C about the same | −13.6°C about the same | 1,041 mm |
| Boucherville 9.9 km · L'Assomption | 26.6°C about the same | −16.0°C 2.5°C colder | 1,041 mm |
Saint-Robert 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 |
From year to year, January moves by 3.0°C, more than any month, and June least
Over 1991–2020, March saw both −26.9°C (1992) and 25.8°C (2012), the widest span of any month.
Where Saint-Robert’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Montréal Trudeau (Airport), the closest ECCC location with twelve months of temperature normals.
- Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- Not on this page: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Saint-Robert’s climate
How warm does Saint-Robert get in summer?
The warmest month is July, when afternoons average 26.7°C.
How cold does Saint-Robert get in winter?
At its coldest, in January, the normal low is −13.5°C.
How much rain and snow does Saint-Robert 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?
Snow lies on the ground for about 101 days in a normal year.
Are these figures for Saint-Robert itself?
They come from Montréal Trudeau (Airport), which ECCC uses as the nearest normals location for Saint-Robert.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Robert →
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).