More rain and snow fall on L'Aéroport than on 87% of Canadian towns: 1,173 mm a year
On a normal January night the air cools to about −16.7°C. A year here swings 42°C from midwinter lows to midsummer highs. By January nights alone, it runs colder than 80% of Canadian towns. Frost comes on about 170 days a year, so leave time to clear the car.
Figures: ECCC’s 1991–2020 normals at Québec Jean Lesage (Airport) (2.4 km north).
A year in L'Aéroport at a glance
Each month’s typical high and low, in °C.
What stands out about L'Aéroport’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in L'Aéroport feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 170 days, 20°C on 100
From October to May frost is routine, and in January it comes on almost every night. Some 27 nights a year drop under −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
1,173 mm of precipitation in a typical year
July brings the most rain and snow; February, the least. About 135 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Snowfall: about 331 cm in a normal year
Snow falls from October to April, most of all in December (about 89 cm).
Snowfall by month
Centimetres
ECCC’s Québec Jean Lesage (Airport) normals leave snowfall out; the figures here come from Beauséjour, 20 km away.
Heating a home in L'Aéroport
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Degree days add up how far each day’s mean temperature falls below 18°C over a year. A house here needs more heating than 64% of Canadian towns.
Living with L'Aéroport’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Between the last frost, near 10 May, and the first, near 5 October, lie about 148 frost-free days.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul, Aug and Sep.
Parks & trails →The wind chill passes −20 on about 56 days in a normal year.
Expect around 34 sticky days a year with the humidex above 30.
What averages leave out, the floods and ice storms, is on L'Aéroport’s 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 | 2.4 km north |
| Station altitude | 74 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Beauséjour, 20 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), 3.7 km |
How L'Aéroport 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 L'Aéroport’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| L'Aéroport Québec Jean Lesage (Airport) | 25.0°C | −16.7°C | 1,173 mm |
| Cap-Rouge 2.9 km · Ste-Foy (U. Laval) | 25.1°C about the same | −15.6°C 1.1°C milder | 1,173 mm |
| L'Ancienne-Lorette 3.1 km · Québec Jean Lesage (Airport) | 25.0°C about the same | −16.7°C about the same | 1,173 mm |
L'Aéroport 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 | −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 |
January: −36.7°C at its coldest, 17.7°C at its warmest
Year to year, January varies most (a standard deviation of 2.9°C around −11.9°C) and August least (0.9°C).
Where L'Aéroport’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Québec Jean Lesage (Airport), the nearest location with a full year of temperatures.
- Other locations: ECCC blanks a month that fails its completeness rule, so the precipitation or snowfall here comes from the next location with all twelve months.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- Not on this page: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about L'Aéroport’s climate
How warm does L'Aéroport get in summer?
The warmest month is July, when afternoons average 25.0°C.
How cold does L'Aéroport get in winter?
Expect nights around −16.7°C in January; no month is colder.
How much rain and snow does L'Aéroport get?
The yearly total is about 1,173 mm. July gets 119 mm, the most of any month; February gets 66 mm, the least.
Are these figures for L'Aéroport itself?
Yes, measured at Québec Jean Lesage (Airport), which sits inside L'Aéroport’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for L'Aéroport →
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).