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Coldest sea in Canada in January

829 coastal locations in Canada ranked by typical January sea temperature, coldest first. Region-wide average in January: 2.6°C.

Coldest in January

Dundas Harbour

-1.7°C January mean in Canada

Regional January average

2.6°C

across all 829 coastal locations in Canada

Vs annual mean

-4.5°C

below the year-round regional average

What the Canada sea feels like in January

Water at this temperature is freezing cold, can cause pain and takes your breath away. Unless you are very experienced and are under strict supervision, swimming in this water for more than a few minutes can be very dangerous. Be careful, stay safe, and enjoy the rush of endorphins and exhilaration from a brief cold water swim.

Canada monthly average 1.8°C to 14.4°C
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  • Warmest month August 14.4°C
  • Coldest month February 1.8°C
  • Annual mean 7.0°C
  • Months above 20°C 0 of 12

Where January fits in the year

January sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Canada month rankings:

Canada sea temperature map (live)

The map shows today's latest reading at every Canada location. The list below is based on the typical January mean.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 coldest Canada locations in January

Sorted by typical January mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location January mean
1 Dundas Harbour Nunavut -1.7°C
2 Grise Fiord Nunavut -1.7°C
3 Iceberg Point Nunavut -1.7°C
4 Iqaluit Nunavut -1.7°C
5 Cameron Island Nunavut -1.7°C
6 Milne Inlet Nunavut -1.7°C
7 Pisiktarfik Island Nunavut -1.7°C
8 Wrangel Bay Nunavut -1.7°C
9 Frobisher's Farthest Nunavut -1.7°C
10 Resor Island Nunavut -1.7°C
11 Airstrip Point Nunavut -1.7°C
12 Iqaluit (Frobisher Bay) Nunavut -1.7°C
13 Lewis Bay Nunavut -1.7°C
14 Radstock Bay Nunavut -1.7°C
15 Beechey Island Nunavut -1.6°C
16 Brevoort Harbour Nunavut -1.6°C
17 Erebus Bay Nunavut -1.6°C
18 Pangnirtung Nunavut -1.6°C
19 Whale Cove Nunavut -1.6°C
20 Ashe Inlet Nunavut -1.6°C
21 Hamilton Island Nunavut -1.6°C
22 Rigby Bay Nunavut -1.6°C
23 Alert Nunavut -1.6°C
24 Cape Sheridan Nunavut -1.6°C
25 Marble Island Nunavut -1.6°C
Show 25 more ▸
26 Norton Island Nunavut -1.6°C
27 Cape Kater Nunavut -1.6°C
28 Doctor Island Nunavut -1.6°C
29 Lake Harbour Nunavut -1.6°C
30 Pim Island Nunavut -1.6°C
31 Cape Capel Nunavut -1.6°C
32 Chesterfield Inlet Nunavut -1.6°C
33 Coral Harbour Nunavut -1.6°C
34 Fury Point Nunavut -1.6°C
35 Discovery Harbour Nunavut -1.6°C
36 Sévigny Point Nunavut -1.6°C
37 Cambridge Bay Nunavut -1.6°C
38 Panorama Island Nunavut -1.6°C
39 Rankin Inlet Nunavut -1.6°C
40 Deception Bay Quebec -1.6°C
41 Sugluk Québec -1.6°C
42 Port Burwell Nunavut -1.6°C
43 Cape Dyer Nunavut -1.6°C
44 Eldorado Saskatchewan -1.6°C
45 Eskimo Point Nunavut -1.6°C
46 Goldfields Saskatchewan -1.6°C
47 Kivitoo Nunavut -1.6°C
48 Quaqtaq (Koartac) Quebec -1.6°C
49 Resolute Nunavut -1.6°C
50 Port de Boucherville Nunavut -1.5°C

Warmest 10 in Canada in January

Same data the other way. The warmest spots for the same month.

# Location January mean
1 Cobb Seamount British Columbia 9.5°C
2 Ucluelet British Columbia 9.4°C
3 Tofino British Columbia 9.3°C
4 Bamfield British Columbia 9.1°C
5 Kennedy Cove British Columbia 9.0°C
6 Riley Cove British Columbia 9.0°C
7 Sulphur Passage British Columbia 9.0°C
8 Effingham Bay British Columbia 8.9°C
9 Stopper Islands British Columbia 8.9°C
10 Kyuquot British Columbia 8.9°C

More on this region