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Coldest sea in Canada in July

829 coastal locations in Canada ranked by typical July sea temperature, coldest first. Region-wide average in July: 12.8°C.

Coldest in July

Cape Sheridan

-1.6°C July mean in Canada

Regional July average

12.8°C

across all 829 coastal locations in Canada

Vs annual mean

+5.7°C

above the year-round regional average

What the Canada sea feels like in July

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

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 July fits in the year

July 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 July 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 July

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

# Location July mean
1 Cape Sheridan Nunavut -1.6°C
2 Iceberg Point Nunavut -1.6°C
3 Alert Nunavut -1.6°C
4 Wrangel Bay Nunavut -1.6°C
5 Cameron Island Nunavut -1.5°C
6 Hamilton Island Nunavut -1.5°C
7 Isachsen Nunavut -1.5°C
8 Discovery Harbour Nunavut -1.5°C
9 Cape Barclay Nunavut -1.4°C
10 Cape Capel Nunavut -1.4°C
11 Crown Prince Frederick Island Nunavut -1.4°C
12 Martin Islands Nunavut -1.4°C
13 Grise Fiord Nunavut -1.4°C
14 Crown Prince Frederick Nunavut -1.4°C
15 Cape Kater Nunavut -1.3°C
16 Little Cornwallis Island Nunavut -1.3°C
17 Cape Sibbald Nunavut -1.3°C
18 Dease Peninsula Nunavut -1.3°C
19 Greely Fiord Nunavut -1.3°C
20 Entrance Island Nunavut -1.3°C
21 Airstrip Point Nunavut -1.2°C
22 Pim Island Nunavut -1.1°C
23 Lavoie Islands (Bernier Bay) Nunavut -1.1°C
24 Peel Point Northwest Territories -1.1°C
25 Kivitoo Nunavut -1.1°C
Show 25 more ▸
26 Cape Skogn Nunavut -1.1°C
27 False Strait Nunavut -1.1°C
28 Resolute Nunavut -1.0°C
29 Bay of Woe Nunavut -1.0°C
30 Clyde River Nunavut -0.8°C
31 Cape Hooper Nunavut -0.8°C
32 Sévigny Point Nunavut -0.8°C
33 Cape Dyer Nunavut -0.8°C
34 Natkusiak Peninsula Northwest Territories -0.7°C
35 Winter Harbour Northwest Territories -0.7°C
36 Bonne Island Nunavut -0.6°C
37 Oscar Bay Nunavut -0.6°C
38 Purfur Cove Nunavut -0.5°C
39 Arctic Bay Nunavut -0.5°C
40 Baffin Nunavut -0.5°C
41 Clyde River Nunavut -0.5°C
42 Bellot Strait East Nunavut -0.3°C
43 Fort Ross Nunavut -0.3°C
44 Radstock Bay Nunavut -0.3°C
45 Cambridge Bay Nunavut -0.2°C
46 Beechey Island Nunavut -0.2°C
47 Erebus Bay Nunavut -0.2°C
48 Gjoa Haven Nunavut -0.1°C
49 King Charles Cape Nunavut -0.1°C
50 Pangnirtung Nunavut 0.2°C

Warmest 10 in Canada in July

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

# Location July mean
1 Colchester Ontario 24.7°C
2 Pelee Island Ontario 24.5°C
3 Point Pelee Ontario 24.5°C
4 Mitchell's Bay Ontario 23.6°C
5 Chatham-Kent Ontario 23.4°C
6 Fort Erie Ontario 23.0°C
7 Crystal Beach Ontario 22.9°C
8 Leamington Ontario 22.6°C
9 St. Clair River (Port Lambton) Ontario 22.6°C
10 Port Colborne Ontario 22.6°C

More on this region