Photo: P199 · CC BY-SA 4.0Summer arrives in force in Saint-Stanislas-de-Kostka, hotter than in 78% of Canadian towns
Midwinter brings lows of about −13.0°C. Rain and snow together come to more here than on 78% of Canadian towns. Precipitation peaks in October and eases off in February. Picnics, hikes and garden evenings come into their own from May to September, with highs of 20–27°C.
No ECCC station in Saint-Stanislas-de-Kostka has 1991–2020 normals; the page reads St-Anicet, 19 km west, instead.
A year in Saint-Stanislas-de-Kostka at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Stanislas-de-Kostka’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Stanislas-de-Kostka feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 147 frosts and 121 warm days a year
Frost comes from October to April; in January almost every night freezes. On about 13 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 1,047 mm a year
On about 141 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
170 cm of snow in a typical year
The snow season runs November to April; January brings the most, about 44 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Saint-Stanislas-de-Kostka
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The count adds up, day by day, how far the mean temperature falls short of 18°C. A house here needs less heating than 67% of Canadian towns.
Living with Saint-Stanislas-de-Kostka’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
A normal year gives the garden about 161 frost-free days, roughly 28 April to 7 October.
Afternoons of 17–27°C and nights of at least 8°C arrive in May, Jun, Jul, Aug and Sep.
Parks & trails →On some 36 days a year the wind chill drops past −20; mitts and a scarf earn their place.
Expect around 60 sticky days a year with the humidex above 30.
A normal year has no blizzard, flood or heat wave in it; Saint-Stanislas-de-Kostka’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: St-Anicet
St-Anicet is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 19 km west |
| Station altitude | 53 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −38.0°C |
| Hottest reading, 1991–2020 | 36.0°C |
| Average wind | 10.8 km/h on average, most often from the west |
| Next-nearest location | Montréal Trudeau (Airport), 43 km |
How Saint-Stanislas-de-Kostka 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
The nearest places on a normals location of their own: those that share Saint-Stanislas-de-Kostka’s would only repeat its figures. The nearest place to Saint-Stanislas-de-Kostka with figures is 16 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Stanislas-de-Kostka St-Anicet | 26.7°C | −13.0°C | 1,047 mm |
| Les Cèdres 16 km · Montréal Trudeau (Airport) | 26.7°C about the same | −13.5°C 0.5°C colder | 1,041 mm |
Saint-Stanislas-de-Kostka 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 | −4.1°C | −13.0°C | −8.7°C | 73 mm | 44 cm |
| February | −2.7°C | −12.1°C | −7.5°C | 59 mm | 41 cm |
| March | 2.8°C | −6.2°C | −1.6°C | 67 mm | 33 cm |
| April | 11.3°C | 1.6°C | 6.6°C | 97 mm | 8 cm |
| May | 19.5°C | 8.5°C | 14.0°C | 90 mm | 0 cm |
| June | 24.3°C | 13.8°C | 19.1°C | 105 mm | 0 cm |
| July | 26.7°C | 16.2°C | 21.2°C | 100 mm | 0 cm |
| August | 25.8°C | 15.0°C | 20.3°C | 89 mm | 0 cm |
| September | 21.6°C | 11.0°C | 16.2°C | 99 mm | 0 cm |
| October | 14.0°C | 4.9°C | 9.5°C | 109 mm | 1 cm |
| November | 6.6°C | −1.0°C | 3.0°C | 81 mm | 10 cm |
| December | −0.3°C | −7.6°C | −4.2°C | 77 mm | 34 cm |
| Year | 12.1°C | 2.6°C | 7.3°C | 1,047 mm | 170 cm |
From −29.0°C to 27.0°C: March’s coldest and warmest days since 1991
From one year to the next, January’s average typically shifts by 3.2°C around its normal of −8.7°C, the widest of any month, while August’s shifts by 1.0°C.
Where Saint-Stanislas-de-Kostka’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, St-Anicet: the nearest of its locations with every month’s 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, 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 Saint-Stanislas-de-Kostka’s climate
How warm does Saint-Stanislas-de-Kostka get in summer?
At its warmest, in July, the normal high is 26.7°C.
How cold does Saint-Stanislas-de-Kostka get in winter?
The coldest nights come in January, averaging −13.0°C.
How much rain and snow does Saint-Stanislas-de-Kostka get?
Rain and snow add up to about 1,047 mm of water a year; October brings the most (109 mm), February the least (59 mm).
How long does snow stay on the ground?
Snow cover of 1 cm or more lasts about 110 days in a typical year.
Are these figures for Saint-Stanislas-de-Kostka itself?
They are the closest available: the normals for St-Anicet, since Saint-Stanislas-de-Kostka has none.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Stanislas-de-Kostka →
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).