January in Saint-Léonard-d'Aston bites harder than in 77% of Canadian towns
Midsummer highs settle at about 25.7°C. It is a wet place: more rain and snow fall here than on 63% of Canadian towns. From frozen January to warm July, readings climb 42°C. Long walks are most pleasant from June to September, when afternoons reach 20–26°C.
No ECCC station in Saint-Léonard-d'Aston has 1991–2020 normals; the page reads Nicolet, 22 km north-west, instead.
A year in Saint-Léonard-d'Aston at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Léonard-d'Aston’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Léonard-d'Aston feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Rain and melted snow: about 948 mm a year
July is the wettest month and February the driest. Some 128 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
213 cm of snow in a typical year
From October to April snow is likely; December is the peak, at about 56 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Living with Saint-Léonard-d'Aston’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jun, Jul, Aug and Sep.
Parks & trails →On some 43 days a year the wind chill drops past −20; mitts and a scarf earn their place.
About 45 days a year turn sultry, with the humidex past 30.
A normal year has no blizzard, flood or heat wave in it; Saint-Léonard-d'Aston’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: Nicolet
Behind the 1991–2020 normals for Nicolet are 2 stations, which ECCC combines into one record.
| Distance from the town | 22 km north-west |
| Station altitude | 30 m |
| Completeness | at least 15 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −40.0°C |
| Hottest reading, 1991–2020 | 35.0°C |
| Average wind | 11.1 km/h on average, most often from the north-east |
| Next-nearest location | Drummondville, 27 km |
How Saint-Léonard-d'Aston 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-Léonard-d'Aston whose figures come from another normals location.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Léonard-d'Aston Nicolet | 25.7°C | −16.4°C | 948 mm |
| Saint-Wenceslas 7.9 km · Nicolet | 25.7°C about the same | −16.4°C about the same | 948 mm |
| Sainte-Eulalie 9.9 km · Arthabaska | 25.1°C 0.6°C cooler | −15.3°C 1.1°C milder | 1,150 mm |
| Notre-Dame-du-Bon-Conseil 13 km · Drummondville | 26.0°C about the same | −14.2°C 2.2°C milder | 1,070 mm |
Saint-Léonard-d'Aston weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −6.7°C | −16.4°C | −11.6°C | 70 mm | 49 cm |
| February | −4.8°C | −15.3°C | −10.0°C | 49 mm | 41 cm |
| March | 1.1°C | −8.6°C | −3.7°C | 52 mm | 34 cm |
| April | 9.9°C | −0.2°C | 4.9°C | 82 mm | 12 cm |
| May | 18.9°C | 7.0°C | 12.9°C | 75 mm | under 1 cm |
| June | 23.8°C | 12.3°C | 18.0°C | 95 mm | 0 cm |
| July | 25.7°C | 14.7°C | 20.2°C | 103 mm | 0 cm |
| August | 24.7°C | 13.7°C | 19.2°C | 86 mm | 0 cm |
| September | 20.3°C | 9.2°C | 14.7°C | 95 mm | 0 cm |
| October | 12.6°C | 3.5°C | 8.1°C | 90 mm | 2 cm |
| November | 4.9°C | −2.5°C | 1.2°C | 75 mm | 19 cm |
| December | −2.5°C | −10.3°C | −6.5°C | 76 mm | 56 cm |
| Year | 10.6°C | 0.6°C | 5.6°C | 948 mm | 213 cm |
From −32.0°C to 24.5°C: March’s coldest and warmest days since 1991
Year to year, January varies most (a standard deviation of 3.3°C around −11.6°C) and June least (0.8°C).
Where Saint-Léonard-d'Aston’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Nicolet (the closest location with all twelve months of temperatures).
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- 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-Léonard-d'Aston’s climate
How warm does Saint-Léonard-d'Aston get in summer?
Midsummer means July, with afternoons near 25.7°C on a typical day.
How cold does Saint-Léonard-d'Aston get in winter?
Lows sink to −16.4°C on an average January night.
How much rain and snow does Saint-Léonard-d'Aston get?
Some 948 mm falls in a year. Most of it comes in July (103 mm), the least in February (49 mm).
How long does snow stay on the ground?
About 120 days a year count as snow-covered, with 1 cm or more.
Are these figures for Saint-Léonard-d'Aston itself?
No. ECCC measures normals at Nicolet, not in Saint-Léonard-d'Aston; the page uses the nearest it has.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Léonard-d'Aston →
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).