Photo: Belug · CC BY-SA 4.0Hardly any Canadian towns see harsher January nights than Kuujjuaq
The warmest part of a July day comes in at 18.1°C on average. A year here swings 46°C from midwinter lows to midsummer highs. None of the 513 towns of 2,500+ in Quebec has cooler July afternoons. Expect about 239 frosty starts a year, days when the air falls to freezing.
1991–2020 normals from ECCC’s Kuujjuaq station, 1.8 km south-west.
A year in Kuujjuaq at a glance
Each month’s typical high and low, in °C.
What stands out about Kuujjuaq’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Kuujjuaq feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 239 frosts and 25 warm days a year
The frost season runs September to June, and January freezes nearly every night. On about 94 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
Rain and melted snow: about 578 mm a year
September is the wettest month and April the driest. 513th wettest of 513 towns of 2,500+ in Quebec. On about 117 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 235 cm in a normal year
Snow falls from September to June, most of all in November (about 39 cm).
Snowfall by month
Centimetres
Heating a home in Kuujjuaq
81% of a year’s heating need falls between October and April. Months averaging under 10°C: September to June.
The count adds up, day by day, how far the mean temperature falls short of 18°C. That means homes here need more heating than almost every Canadian town.
Living with Kuujjuaq’s climate
What the normals mean for a garden, a day outside and the depth of winter.
A normal year gives the garden about 88 frost-free days, roughly 15 June to 12 September.
Even midsummer nights fall below 8°C on average, so no month meets the mild-day rule of 17–27°C by day.
Parks & trails →Wind chill falls below −20 on about 130 days a year: cover skin and dress in layers.
Humid heat, a humidex over 30, comes on about 2 days a year.
Averages smooth over blizzards, ice storms, floods and heat waves; Kuujjuaq’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Kuujjuaq
ECCC builds the Kuujjuaq normals from 2 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 1.8 km south-west |
| Station altitude | 40 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −49.8°C |
| Hottest reading, 1991–2020 | 33.1°C |
| Average wind | 13.9 km/h on average, most often from the west |
| Next-nearest location | Schefferville, 380 km |
How Kuujjuaq 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.
Kuujjuaq weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −18.9°C | −27.7°C | −23.3°C | 31 mm | 31 cm |
| February | −18.1°C | −28.0°C | −23.1°C | 29 mm | 29 cm |
| March | −11.3°C | −22.5°C | −16.9°C | 32 mm | 32 cm |
| April | −3.2°C | −13.4°C | −8.4°C | 27 mm | 23 cm |
| May | 5.7°C | −3.3°C | 1.2°C | 32 mm | 18 cm |
| June | 13.2°C | 2.4°C | 7.8°C | 51 mm | 4 cm |
| July | 18.1°C | 6.9°C | 12.5°C | 75 mm | 0 cm |
| August | 16.8°C | 6.6°C | 11.8°C | 76 mm | 0 cm |
| September | 10.6°C | 2.8°C | 6.7°C | 88 mm | 3 cm |
| October | 3.8°C | −2.1°C | 0.8°C | 57 mm | 21 cm |
| November | −3.9°C | −10.5°C | −7.2°C | 44 mm | 39 cm |
| December | −12.2°C | −20.2°C | −16.2°C | 37 mm | 35 cm |
| Year | 0.1°C | −9.1°C | −4.5°C | 578 mm | 235 cm |
The month with the widest range: January, −49.8°C to 3.7°C
Two years in three, December’s average falls within 4.1°C of its normal of −16.2°C; July keeps to within 1.0°C.
Where Kuujjuaq’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Kuujjuaq, 1991–2020.
- 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 Kuujjuaq’s climate
How warm does Kuujjuaq get in summer?
July is the warmest month, with average highs of 18.1°C.
How cold does Kuujjuaq get in winter?
The coldest nights come in February, averaging −28.0°C.
How much rain and snow does Kuujjuaq get?
A normal year brings 578 mm, snow included as water: September is wettest at 88 mm, April driest at 27 mm.
Are these figures for Kuujjuaq itself?
Yes: ECCC’s normals station is inside Kuujjuaq itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Kuujjuaq →
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).