Photo: Interaction Qui Ltée · Public domainL'Ascension-de-Notre-Seigneur has colder winter nights than 91% of Canadian towns
July afternoons average 23.7°C. Rain or snow is most frequent in July and least in February. Summers stay cool: July afternoons here are cooler than in 71% of Canadian towns. Expect about 187 frosty starts a year, days when the air falls to freezing.
Borrowed figures: L'Ascension-de-Notre-Seigneur has no normals station, so these come from Roberval, 48 km south-west.
A year in L'Ascension-de-Notre-Seigneur at a glance
Each month’s typical high and low, in °C.
What stands out about L'Ascension-de-Notre-Seigneur’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in L'Ascension-de-Notre-Seigneur feels like
Each season’s and each month’s usual high and low, 1991–2020.
Frost on 187 days, 20°C on 85
From September to May frost is routine, and in January it comes on almost every night. Some 45 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
Rain and melted snow: about 911 mm a year
About 124 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 271 cm in a normal year
Snow falls from October to May, most of all in December (about 55 cm).
Snowfall by month
Centimetres
Heating a home in L'Ascension-de-Notre-Seigneur
89% 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. That means homes here need more heating than 84% of Canadian towns.
Living with L'Ascension-de-Notre-Seigneur’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Gardens get from about 17 May to 2 October without frost, around 137 days in all.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul and Aug.
Parks & trails →A wind chill below −20 is part of about 79 days a year here.
Humid summer days, the humidex above 30, number about 22 a year.
The normals describe a typical year, not its worst days; the hazards page covers L'Ascension-de-Notre-Seigneur’s.
Flood & hazards →ECCC’s normals location: Roberval
Roberval is a composite: ECCC joins 3 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 48 km south-west |
| Station altitude | 179 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −40.0°C |
| Hottest reading, 1991–2020 | 36.5°C |
| Average wind | 13.5 km/h on average, most often from the north-west |
| Next-nearest location | Bagotville, 64 km |
How L'Ascension-de-Notre-Seigneur 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 L'Ascension-de-Notre-Seigneur’s would only repeat its figures.
L'Ascension-de-Notre-Seigneur weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −10.5°C | −20.8°C | −15.7°C | 55 mm | 47 cm |
| February | −8.2°C | −18.8°C | −13.5°C | 45 mm | 44 cm |
| March | −1.2°C | −11.9°C | −6.6°C | 57 mm | 45 cm |
| April | 6.9°C | −3.2°C | 1.9°C | 64 mm | 29 cm |
| May | 16.2°C | 3.8°C | 10.0°C | 71 mm | 4 cm |
| June | 21.6°C | 10.0°C | 15.8°C | 87 mm | 0 cm |
| July | 23.7°C | 13.3°C | 18.5°C | 112 mm | 0 cm |
| August | 22.6°C | 12.2°C | 17.4°C | 104 mm | 0 cm |
| September | 17.7°C | 7.4°C | 12.6°C | 99 mm | under 1 cm |
| October | 9.8°C | 1.3°C | 5.6°C | 81 mm | 8 cm |
| November | 2.3°C | −5.1°C | −1.4°C | 71 mm | 39 cm |
| December | −5.8°C | −14.5°C | −10.2°C | 66 mm | 55 cm |
| Year | 7.9°C | −2.2°C | 2.9°C | 911 mm | 271 cm |
A February here can run warm or cold, its average moving by about 3.3°C; the steadiest month is August
Records from 1991 to 2020: no month spans more than March, between −33.1°C (2001) and 26.2°C (2012).
Where L'Ascension-de-Notre-Seigneur’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Roberval, its nearest location with complete 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, 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 L'Ascension-de-Notre-Seigneur’s climate
How warm does L'Ascension-de-Notre-Seigneur get in summer?
Expect highs near 23.7°C in July, the hottest month on average.
How cold does L'Ascension-de-Notre-Seigneur get in winter?
Lows sink to −20.8°C on an average January night.
How much rain and snow does L'Ascension-de-Notre-Seigneur get?
Over twelve months, rain and melted snow come to 911 mm; the range runs from 45 mm in February to 112 mm in July.
Are these figures for L'Ascension-de-Notre-Seigneur itself?
No. ECCC measures normals at Roberval, not in L'Ascension-de-Notre-Seigneur; the page uses the nearest it has.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for L'Ascension-de-Notre-Seigneur →
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).