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Coldest sea in Canada in April

829 coastal locations in Canada ranked by typical April sea temperature, coldest first. Region-wide average in April: 2.9°C.

Coldest in April

Cameron Island

-1.7°C April mean in Canada

Regional April average

2.9°C

across all 829 coastal locations in Canada

Vs annual mean

-4.2°C

below the year-round regional average

What the Canada sea feels like in April

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 April fits in the year

April 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 April 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 April

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

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

Warmest 10 in Canada in April

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

# Location April mean
1 Squamish British Columbia 10.1°C
2 Sechelt British Columbia 10.1°C
3 Nanaimo British Columbia 10.0°C
4 Harmac British Columbia 9.9°C
5 Gibsons British Columbia 9.9°C
6 Ladysmith British Columbia 9.9°C
7 Salt Spring Island British Columbia 9.9°C
8 Port Alberni British Columbia 9.9°C
9 Ucluelet British Columbia 9.9°C
10 Parksville British Columbia 9.9°C

More on this region