Photo: Harfang · CC BY-SA 3.0More rain and snow fall on Donnacona than on 87% of Canadian towns: 1,173 mm a year
On a normal July day the thermometer tops out 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. An umbrella or a shovel earns its place on about 135 days a year with 1 mm or more.
Borrowed figures: Donnacona has no normals station, so these come from Québec Jean Lesage (Airport), 30 km north-east.
A year in Donnacona at a glance
Each month’s typical high and low, in °C.
What stands out about Donnacona’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Donnacona feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 170 frosts and 100 warm days a year
The frost season runs October to May, and January freezes nearly 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
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
253 cm of snow in a typical year
Expect snow from October to April, with about 59 cm in December, the snowiest month.
Snowfall by month
Centimetres
Snowfall: Fortierville, 33 km away (Québec Jean Lesage (Airport) records no complete year of it).
Heating a home in Donnacona
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Think of it as a year’s worth of daily shortfalls below 18°C, added up. Over a year, a home here needs more heating than 64% of Canadian towns.
Living with Donnacona’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Count on about 148 frost-free days: the last frost averages 10 May, the first 5 October.
The outdoor season by the averages is Jun, Jul, Aug and Sep, with highs of 17–27°C and lows of 8°C or more.
Parks & trails →Bitter wind chill, under −20, comes on about 56 days a year.
On some 34 days a year the humidex climbs past 30.
Thirty years of averages say little about one bad storm; Donnacona’s hazards page does.
Flood & hazards →ECCC’s normals location: Québec Jean Lesage (Airport)
Québec Jean Lesage (Airport) is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 30 km north-east |
| Station altitude | 74 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Fortierville, 33 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), 33 km |
How Donnacona compares
Placed among 2,611 Canadian towns and neighbourhoods of 2,500+, each on its nearest normals location; each dot is another location used in Quebec.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Donnacona’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Donnacona Québec Jean Lesage (Airport) | 25.0°C | −16.7°C | 1,173 mm |
| Cap-Santé 5.2 km · Fortierville | 25.5°C 0.5°C warmer | −16.9°C about the same | 1,138 mm |
| Pont-Rouge 8.9 km · Québec Jean Lesage (Airport) | 25.0°C about the same | −16.7°C about the same | 1,173 mm |
Donnacona 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 | 56 cm |
| February | −5.0°C | −15.7°C | −10.4°C | 66 mm | 55 cm |
| March | 0.4°C | −9.3°C | −4.5°C | 78 mm | 47 cm |
| April | 8.3°C | −1.2°C | 3.5°C | 94 mm | 15 cm |
| May | 17.5°C | 5.6°C | 11.6°C | 92 mm | 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 | 3 cm |
| November | 3.6°C | −3.8°C | −0.1°C | 91 mm | 19 cm |
| December | −3.3°C | −11.4°C | −7.3°C | 96 mm | 59 cm |
| Year | 9.7°C | −0.4°C | 4.7°C | 1,173 mm | 253 cm |
A January here can run from −36.7°C to 17.7°C
Two years in three, January’s average falls within 2.9°C of its normal of −11.9°C; August keeps to within 0.9°C.
Where Donnacona’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Québec Jean Lesage (Airport), 1991–2020, chosen as the nearest location with a full temperature record.
- 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: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- Not on this page: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Donnacona’s climate
How warm does Donnacona get in summer?
At its warmest, in July, the normal high is 25.0°C.
How cold does Donnacona get in winter?
The year’s coldest nights belong to January, at about −16.7°C.
How much rain and snow does Donnacona get?
1,173 mm a year counting snow as water. The wettest month is July (119 mm); the driest, February (66 mm).
Are these figures for Donnacona itself?
Only indirectly: the readings are made at Québec Jean Lesage (Airport), outside Donnacona.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Donnacona →
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).