Photo: BAnQ · Public domainSaint-André-d'Argenteuil is wetter than 88% of Canadian towns: 1,178 mm of rain and snow a year
January mornings start at about −14.7°C. Winter nights are cold: in January they are colder than in 67% of Canadian towns. The wettest month is October; the driest is February. Expect about 159 frosty starts a year, days when the air falls to freezing.
ECCC publishes no normals for Saint-André-d'Argenteuil itself; the figures are those of Lachute, 9.5 km north.
A year in Saint-André-d'Argenteuil at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-André-d'Argenteuil’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-André-d'Argenteuil feels like
Each season’s and each month’s usual high and low, 1991–2020.
159 frost days and 115 days above 20°C a year
Frost comes from October to May; in January almost every night freezes. Deep cold, under −20°C, comes on about 19 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 1,178 mm of rain and snow a year
Some 143 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
218 cm of snow in a typical year
Expect snow from October to April, with about 56 cm in January, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Saint-André-d'Argenteuil
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Measured against 18°C: each day’s shortfall in mean temperature, added over twelve months.
Living with Saint-André-d'Argenteuil’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Frost usually lets go around 12 May and returns near 3 October, about 143 days apart.
Highs of 17–27°C with nights of 8°C or more come in Jun, Jul, Aug and Sep.
Parks & trails →The normals describe a typical year, not its worst days; the hazards page covers Saint-André-d'Argenteuil’s.
Flood & hazards →ECCC’s normals location: Lachute
Every temperature, frost, snow and degree-day figure on this page is the 1991–2020 normal ECCC publishes for Lachute.
| Distance from the town | 9.5 km north |
| Station altitude | 91 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −36.0°C |
| Hottest reading, 1991–2020 | 36.0°C |
| Next-nearest location | Montréal Trudeau (Airport), 48 km |
How Saint-André-d'Argenteuil 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 Saint-André-d'Argenteuil whose figures come from another normals location. Saint-André-d'Argenteuil has few close neighbours with figures, so the list reaches 24–30 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-André-d'Argenteuil Lachute | 26.5°C | −14.7°C | 1,178 mm |
| Oka 24 km · Montréal Trudeau (Airport) | 26.7°C about the same | −13.5°C 1.2°C milder | 1,041 mm |
| Saint-Clet 26 km · St-Anicet | 26.7°C about the same | −13.0°C 1.7°C milder | 1,047 mm |
Saint-André-d'Argenteuil 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 | −5.5°C | −14.7°C | −10.2°C | 97 mm | 56 cm |
| February | −3.6°C | −13.6°C | −8.3°C | 72 mm | 47 cm |
| March | 2.4°C | −7.2°C | −2.5°C | 74 mm | 34 cm |
| April | 11.0°C | 0.5°C | 5.9°C | 100 mm | 8 cm |
| May | 19.4°C | 7.4°C | 13.3°C | 89 mm | 0 cm |
| June | 24.1°C | 12.6°C | 18.4°C | 111 mm | 0 cm |
| July | 26.5°C | 15.1°C | 20.5°C | 112 mm | 0 cm |
| August | 25.4°C | 14.3°C | 19.8°C | 104 mm | 0 cm |
| September | 20.8°C | 9.9°C | 15.4°C | 114 mm | 0 cm |
| October | 12.8°C | 3.7°C | 8.4°C | 120 mm | 2 cm |
| November | 5.2°C | −2.3°C | 1.6°C | 93 mm | 17 cm |
| December | −1.9°C | −9.5°C | −6.0°C | 94 mm | 53 cm |
| Year | 11.4°C | 1.4°C | 6.4°C | 1,178 mm | 218 cm |
A March here can run from −30.5°C to 26.5°C
Two years in three, January’s average falls within 3.2°C of its normal of −10.2°C; August keeps to within 1.0°C.
Where Saint-André-d'Argenteuil’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Lachute (the closest location with all twelve months of temperatures).
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Saint-André-d'Argenteuil’s climate
How warm does Saint-André-d'Argenteuil get in summer?
Midsummer means July, with afternoons near 26.5°C on a typical day.
How cold does Saint-André-d'Argenteuil get in winter?
The coldest nights come in January, averaging −14.7°C.
How much rain and snow does Saint-André-d'Argenteuil get?
A normal year brings 1,178 mm, snow included as water: October is wettest at 120 mm, February driest at 72 mm.
How long does snow stay on the ground?
Roughly 128 days a year start with snow cover of 1 cm or more.
Are these figures for Saint-André-d'Argenteuil itself?
The figures are ECCC’s for Lachute; Saint-André-d'Argenteuil has no normals station.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-André-d'Argenteuil →
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).