Few Canadian towns have cooler summers than Blanc-Sablon
On a normal January night the air cools to about −16.4°C. By frosts alone, it ranks colder than 90% of Canadian towns. The gap between a January night and a July afternoon is 34°C. Expect about 198 frosty starts a year, days when the air falls to freezing.
Measured at Lourdes de Blanc Sablon, 3.8 km north: ECCC’s normals for 1991–2020.
A year in Blanc-Sablon at a glance
Each month’s typical high and low, in °C.
What stands out about Blanc-Sablon’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Blanc-Sablon feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 198 frosts and 8 warm days a year
From September to June frost is routine, and in January it comes on almost every night. Some 30 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 1,001 mm a year
September is the wettest month and April the driest. Some 139 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
346 cm of snow in a typical year
Expect snow from October to May, with about 74 cm in March, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Blanc-Sablon
79% of a year’s heating need falls between October and April. Months averaging under 10°C: September to June.
Degree days add up how far each day’s mean temperature falls below 18°C over a year. Over a year, a home here needs more heating than almost every Canadian town.
Living with Blanc-Sablon’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Afternoons of 17–27°C and nights of at least 8°C arrive in Aug.
Parks & trails →The wind chill passes −20 on about 63 days in a normal year.
Thirty-year normals hide the storms and the extremes: the hazards page has Blanc-Sablon’s risks.
Flood & hazards →ECCC’s normals location: Lourdes de Blanc Sablon
Lourdes de Blanc Sablon is a composite: ECCC joins 3 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 3.8 km north |
| Station altitude | 37 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −34.1°C |
| Hottest reading, 1991–2020 | 28.1°C |
| Average wind | 19.7 km/h on average, most often from the west |
| Next-nearest location | Ferolle Point, 44 km |
How Blanc-Sablon 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 Blanc-Sablon’s would only repeat its figures. Distances here run 37–110 km: that is how far the nearest places with figures are from Blanc-Sablon.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Blanc-Sablon Lourdes de Blanc Sablon | 15.9°C | −16.4°C | 1,001 mm |
| Division No. 9, Subdivision C 37 km · Ferolle Point | 15.8°C about the same | −10.9°C 5.5°C milder | 1,001 mm |
| St. Anthony 110 km · St. Anthony | 19.6°C 3.7°C warmer | −13.9°C 2.5°C milder | 1,001 mm |
Blanc-Sablon 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 | −7.1°C | −16.4°C | −11.8°C | 77 mm | 66 cm |
| February | −7.0°C | −16.0°C | −11.5°C | 81 mm | 70 cm |
| March | −2.8°C | −11.0°C | −6.9°C | 91 mm | 74 cm |
| April | 2.0°C | −4.8°C | −1.4°C | 53 mm | 32 cm |
| May | 7.8°C | −0.3°C | 3.8°C | 67 mm | 7 cm |
| June | 12.5°C | 4.2°C | 8.4°C | 78 mm | under 1 cm |
| July | 15.9°C | 8.3°C | 12.1°C | 94 mm | 0 cm |
| August | 17.1°C | 9.6°C | 13.4°C | 91 mm | 0 cm |
| September | 13.3°C | 5.4°C | 9.4°C | 102 mm | 0 cm |
| October | 7.7°C | 1.0°C | 4.4°C | 85 mm | 4 cm |
| November | 2.3°C | −4.5°C | −1.1°C | 84 mm | 24 cm |
| December | −3.1°C | −11.0°C | −7.0°C | 98 mm | 68 cm |
| Year | 4.9°C | −3.0°C | 1.0°C | 1,001 mm | 346 cm |
February varies most from one year to the next (3.2°C), June least
Records from 1991 to 2020: no month spans more than February, between −34.1°C (1994) and 8.3°C (1996).
Where Blanc-Sablon’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Lourdes de Blanc Sablon, the nearest location with a full year of temperatures.
- 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: 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 Blanc-Sablon’s climate
How warm does Blanc-Sablon get in summer?
On a normal day in August the thermometer climbs to 17.1°C, the warmest of the year.
How cold does Blanc-Sablon get in winter?
At its coldest, in January, the normal low is −16.4°C.
How much rain and snow does Blanc-Sablon get?
The yearly total is about 1,001 mm. September gets 102 mm, the most of any month; April gets 53 mm, the least.
How long does snow stay on the ground?
A layer of at least 1 cm stays down on about 140 days a year.
Are these figures for Blanc-Sablon itself?
Yes, measured at Lourdes de Blanc Sablon, which sits inside Blanc-Sablon’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Blanc-Sablon →
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).