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Warmest sea in Canada in May

829 coastal locations in Canada ranked by their typical May sea temperature. Region-wide average in May: 5.3°C. The top of the list is where to find the warmest swimming this month.

Warmest in May

Sechelt

13.7°C May mean in Canada

Regional May average

5.3°C

across all 829 coastal locations in Canada

Vs annual mean

-1.7°C

below the year-round regional average

What the Canada sea feels like in May

This water is very cold and can cause pain. We don't recommend you swim in this temperature for anything other than very short swims of 5 to 10 minutes unless you are a very experienced cold water swimmer.

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 May fits in the year

May 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 May mean, useful for trip planning weeks or months ahead.

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 warmest Canada locations in May

Sorted by the typical May mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location May mean
1 Sechelt British Columbia 13.7°C
2 Nanaimo British Columbia 13.7°C
3 Squamish British Columbia 13.7°C
4 Parksville British Columbia 13.5°C
5 Qualicum Beach British Columbia 13.5°C
6 Colchester Ontario 13.5°C
7 Harmac British Columbia 13.5°C
8 Powell River British Columbia 13.4°C
9 Port Alberni British Columbia 13.4°C
10 Hornby Island British Columbia 13.4°C
11 Gibsons British Columbia 13.3°C
12 Ladysmith British Columbia 13.3°C
13 Salt Spring Island British Columbia 13.3°C
14 Nanoose Bay British Columbia 13.3°C
15 Winchelsea Islands British Columbia 13.3°C
16 Comox British Columbia 13.3°C
17 Cortes Island British Columbia 13.3°C
18 Courtenay British Columbia 13.3°C
19 Desolation Sound British Columbia 13.3°C
20 False Bay British Columbia 13.2°C
21 Franklin River British Columbia 13.2°C
22 Welcome Bay British Columbia 13.2°C
23 Dionisio Point British Columbia 13.1°C
24 Preedy Harbour British Columbia 13.1°C
25 Silva Bay British Columbia 13.1°C
Show 25 more ▸
26 Campbell River British Columbia 13.1°C
27 Vancouver Island British Columbia 13.1°C
28 Denman Island British Columbia 13.1°C
29 Little River British Columbia 13.1°C
30 Blubber Bay British Columbia 13.1°C
31 Channel Island British Columbia 13.1°C
32 Prideaux Haven British Columbia 13.1°C
33 Bowen Island British Columbia 13.1°C
34 Howe Sound British Columbia 13.1°C
35 Pelee Island Ontario 12.9°C
36 Point Pelee Ontario 12.9°C
37 Gorge Harbour British Columbia 12.9°C
38 Lund British Columbia 12.9°C
39 Mitlenatch Island British Columbia 12.9°C
40 Twin Islands British Columbia 12.9°C
41 Sand Heads British Columbia 12.8°C
42 Heriot Bay British Columbia 12.7°C
43 Whaletown Bay British Columbia 12.7°C
44 Deep Cove British Columbia 12.7°C
45 English Bay British Columbia 12.7°C
46 Kitsilano British Columbia 12.7°C
47 Second Beach British Columbia 12.7°C
48 Vancouver British Columbia 12.7°C
49 West Vancouver British Columbia 12.7°C
50 Point Atkinson British Columbia 12.5°C

Coldest 10 in Canada in May

Same data the other way. Helpful if you want to know which Canada coasts to avoid for swimming in May.

# Location May mean
1 Grise Fiord Nunavut -1.7°C
2 Cameron Island Nunavut -1.7°C
3 Iceberg Point Nunavut -1.7°C
4 Wrangel Bay Nunavut -1.7°C
5 Airstrip Point Nunavut -1.7°C
6 Brevoort Harbour Nunavut -1.6°C
7 Alert Nunavut -1.6°C
8 Cape Sheridan Nunavut -1.6°C
9 Radstock Bay Nunavut -1.6°C
10 Hamilton Island Nunavut -1.6°C

More on this region