Photo: Dennis G. Jarvis · CC BY-SA 2.0Few Canadian towns get more snow than Carleton-sur-Mer: about 337 cm a year
Peak summer warmth arrives in July, with afternoons near 23.8°C. Temperatures cover 40°C across the year, low to high. Its January nights bite harder than in 77% of Canadian towns. From June to August, highs of 21–24°C make it easy to spend the day outdoors.
These are not Carleton-sur-Mer’s own readings: ECCC keeps no normals there, so the page uses Charlo, 21 km south-west.
A year in Carleton-sur-Mer at a glance
Each month’s typical high and low, in °C.
What stands out about Carleton-sur-Mer’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Carleton-sur-Mer feels like
Each season’s and each month’s usual high and low, 1991–2020.
Frost on 182 days, 20°C on 82
The frost season runs September to May, and January freezes nearly every night. Some 23 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 1,011 mm a year
The most falls in July, the least in February. About 130 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
337 cm of snow in a typical year
From October to May snow is likely; January is the peak, at about 71 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Snowfall: Bathurst, 60 km away (Charlo records no complete year of it).
Heating a home in Carleton-sur-Mer
88% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
A heating degree day is one degree of shortfall below 18°C for one day, summed over the year. In heating terms, homes need more heating than 81% of Canadian towns.
Living with Carleton-sur-Mer’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Plant out after about 18 May; the first frost of autumn usually arrives near 1 October, leaving roughly 135 days without frost.
The outdoor season by the averages is Jun, Jul and Aug, with highs of 17–27°C and lows of 8°C or more.
Parks & trails →Plan for about 56 days a year with a wind chill below −20.
About 21 days a year feel above 30 on the humidex.
Thirty-year normals hide the storms and the extremes: the hazards page has Carleton-sur-Mer’s risks.
Flood & hazards →ECCC’s normals location: Charlo
ECCC builds the Charlo normals from 2 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 21 km south-west |
| Station altitude | 40 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Bathurst, 60 km |
| Coldest reading, 1991–2020 | −31.9°C |
| Hottest reading, 1991–2020 | 36.7°C |
| Average wind | 13.2 km/h on average, most often from the west |
| Next-nearest location | Bathurst, 60 km |
How Carleton-sur-Mer 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 Carleton-sur-Mer’s would only repeat its figures. No closer places have figures: these lie 33–48 km from Carleton-sur-Mer.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Carleton-sur-Mer Charlo | 23.8°C | −16.2°C | 1,011 mm |
| Caplan 33 km · New Carlisle | 22.7°C 1.1°C cooler | −14.2°C 2.0°C milder | 1,095 mm |
| Petit-Rocher 47 km · Bathurst | 25.1°C 1.3°C warmer | −16.0°C about the same | 1,118 mm |
Carleton-sur-Mer weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −7.0°C | −16.2°C | −11.7°C | 71 mm | 71 cm |
| February | −5.5°C | −15.6°C | −10.6°C | 65 mm | 69 cm |
| March | 0.0°C | −9.8°C | −4.9°C | 79 mm | 68 cm |
| April | 6.5°C | −2.5°C | 2.0°C | 69 mm | 30 cm |
| May | 14.8°C | 3.4°C | 9.2°C | 92 mm | 2 cm |
| June | 20.5°C | 9.2°C | 14.8°C | 90 mm | 0 cm |
| July | 23.8°C | 13.0°C | 18.4°C | 104 mm | 0 cm |
| August | 23.2°C | 12.1°C | 17.7°C | 82 mm | 0 cm |
| September | 18.2°C | 7.3°C | 12.8°C | 101 mm | 0 cm |
| October | 10.7°C | 2.1°C | 6.4°C | 94 mm | 6 cm |
| November | 3.5°C | −3.6°C | −0.1°C | 87 mm | 22 cm |
| December | −3.0°C | −10.6°C | −6.8°C | 76 mm | 68 cm |
| Year | 8.8°C | −0.9°C | 3.9°C | 1,011 mm | 337 cm |
Two years in three, February’s average lands within 2.7°C of normal, against the steadier August
Over 1991–2020, March saw both −30.1°C (2001) and 22.6°C (2012), the widest span of any month.
Where Carleton-sur-Mer’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Charlo, its nearest location with complete temperatures.
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
- 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 Carleton-sur-Mer’s climate
How warm does Carleton-sur-Mer get in summer?
The warmest month is July, when afternoons average 23.8°C.
How cold does Carleton-sur-Mer get in winter?
Winter bottoms out in January, with lows near −16.2°C.
How much rain and snow does Carleton-sur-Mer get?
Some 1,011 mm falls in a year. Most of it comes in July (104 mm), the least in February (65 mm).
Are these figures for Carleton-sur-Mer itself?
No, they come from Charlo; ECCC keeps no 1991–2020 normals in Carleton-sur-Mer itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Carleton-sur-Mer →
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).