Wet weather: 1,173 mm of rain and snow a year falls on Saint-Antoine-de-Tilly, more than on 87% of Canadian towns
Peak summer warmth arrives in July, with afternoons near 25.0°C. By January nights alone, it runs colder than 80% of Canadian towns. Temperatures cover 42°C across the year, low to high. Plan for rain or snow on about 135 days a year, the days with 1 mm or more.
ECCC publishes no normals for Saint-Antoine-de-Tilly itself; the figures are those of Québec Jean Lesage (Airport), 21 km north-east.
A year in Saint-Antoine-de-Tilly at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Antoine-de-Tilly’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Antoine-de-Tilly feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 170 frosts and 100 warm days a year
Frost comes from October to May; in January almost every night freezes. On about 27 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
About 1,173 mm of rain and snow a year
The most falls in July, the least in February.
Rain and snow by month
Millimetres
Snowfall: about 331 cm in a normal year
The snow season runs October to April; December brings the most, about 89 cm.
Snowfall by month
Centimetres
Snowfall: Beauséjour, 30 km away (Québec Jean Lesage (Airport) records no complete year of it).
Heating a home in Saint-Antoine-de-Tilly
91% 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. Over a year, a home here needs more heating than 64% of Canadian towns.
Living with Saint-Antoine-de-Tilly’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Gardens get from about 10 May to 5 October without frost, around 148 days in all.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul, Aug and Sep.
Parks & trails →Roughly 56 days a year feel colder than −20 in the wind.
Humid heat, a humidex over 30, comes on about 34 days a year.
Bad-weather days, from blizzards to floods, get their own page for Saint-Antoine-de-Tilly: the hazards page.
Flood & hazards →ECCC’s normals location: Québec Jean Lesage (Airport)
Behind the 1991–2020 normals for Québec Jean Lesage (Airport) are 2 stations, which ECCC combines into one record.
| Distance from the town | 21 km north-east |
| Station altitude | 74 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Beauséjour, 30 km |
| Coldest reading, 1991–2020 | −36.7°C |
| Hottest reading, 1991–2020 | 34.2°C |
| Average wind | 13.2 km/h on average, most often from the west |
| Next-nearest location | Ste-Foy (U. Laval), 23 km |
How Saint-Antoine-de-Tilly compares
Against the 2,611 Canadian towns and neighbourhoods of 2,500 or more, each read from its own normals location; the dots are the other locations those towns use in Quebec.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Saint-Antoine-de-Tilly’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Antoine-de-Tilly Québec Jean Lesage (Airport) | 25.0°C | −16.7°C | 1,173 mm |
| Neuville 4.5 km · Québec Jean Lesage (Airport) | 25.0°C about the same | −16.7°C about the same | 1,173 mm |
| Sainte-Croix 14 km · Fortierville | 25.5°C 0.5°C warmer | −16.9°C about the same | 1,138 mm |
Saint-Antoine-de-Tilly weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −7.1°C | −16.7°C | −11.9°C | 87 mm | 71 cm |
| February | −5.0°C | −15.7°C | −10.4°C | 66 mm | 71 cm |
| March | 0.4°C | −9.3°C | −4.5°C | 78 mm | 55 cm |
| April | 8.3°C | −1.2°C | 3.5°C | 94 mm | 16 cm |
| May | 17.5°C | 5.6°C | 11.6°C | 92 mm | under 1 cm |
| June | 22.5°C | 10.8°C | 16.7°C | 115 mm | 0 cm |
| July | 25.0°C | 13.9°C | 19.5°C | 119 mm | 0 cm |
| August | 24.0°C | 12.8°C | 18.4°C | 109 mm | 0 cm |
| September | 19.1°C | 8.3°C | 13.7°C | 111 mm | 0 cm |
| October | 11.3°C | 2.4°C | 6.8°C | 116 mm | 4 cm |
| November | 3.6°C | −3.8°C | −0.1°C | 91 mm | 25 cm |
| December | −3.3°C | −11.4°C | −7.3°C | 96 mm | 89 cm |
| Year | 9.7°C | −0.4°C | 4.7°C | 1,173 mm | 331 cm |
A January here can run warm or cold, its average moving by about 2.9°C; the steadiest month is August
Records from 1991 to 2020: no month spans more than January, between −36.7°C (2015) and 17.7°C (1996).
Where Saint-Antoine-de-Tilly’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Québec Jean Lesage (Airport) (the closest location with all twelve months of temperatures).
- Other locations: where a location publishes no full year of precipitation or snowfall, the nearest one that does supplies it, named beside those figures.
- 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-Antoine-de-Tilly’s climate
How warm does Saint-Antoine-de-Tilly get in summer?
Highs reach 25.0°C on an average July day; no month is warmer.
How cold does Saint-Antoine-de-Tilly get in winter?
Deep winter means January, when nights average −16.7°C.
How much rain and snow does Saint-Antoine-de-Tilly get?
Over twelve months, rain and melted snow come to 1,173 mm; the range runs from 66 mm in February to 119 mm in July.
Are these figures for Saint-Antoine-de-Tilly itself?
The figures are ECCC’s for Québec Jean Lesage (Airport); Saint-Antoine-de-Tilly has no normals station.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Antoine-de-Tilly →
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).