In May warmest sea in Canada is usually observed in the following locations: Surrey, Nanaimo, North Vancouver.
Table below shows the average sea water temperature for marine resorts of Canada in May for the last three years.
| Place name | May 2026 | May 2025 | May 2024 |
|---|---|---|---|
| Surrey | 57.7°F | 56.6°F | 55.1°F |
| Nanaimo | 57.3°F | 54.8°F | 53.9°F |
| North Vancouver | 56.6°F | 55.9°F | 54.1°F |
| Vancouver | 56.5°F | 55.7°F | 54.1°F |
| Montreal | 56.3°F | 56.6°F | 60.4°F |
| Windsor | 53.7°F | 55.6°F | 56.7°F |
| Tofino | 52.6°F | 52.0°F | 51.7°F |
| Quebec | 49.9°F | 48.0°F | 51.2°F |
| Victoria | 49.9°F | 48.9°F | 49.0°F |
| Niagara Falls | 49.3°F | 48.9°F | 54.2°F |
| Kingston | 47.5°F | 48.0°F | 53.4°F |
| Summerside | 46.7°F | 47.2°F | 47.3°F |
| Charlottetown | 46.4°F | 45.5°F | 47.1°F |
| Lunenburg | 46.3°F | 46.2°F | 46.8°F |
| Niagara-on-the-Lake | 46.3°F | 48.1°F | 53.2°F |
| Barrie | 45.4°F | 45.2°F | 51.2°F |
| Moncton | 45.2°F | 45.0°F | 45.7°F |
| Prince Edward Island | 44.7°F | 43.4°F | 44.7°F |
| Hamilton | 44.5°F | 47.0°F | 51.7°F |
| Halifax | 44.4°F | 45.2°F | 44.6°F |
| Saint Andrews | 44.4°F | 44.8°F | 47.1°F |
| Saint John | 44.0°F | 42.9°F | 46.4°F |
| Mississauga | 42.9°F | 45.3°F | 50.9°F |
| Winnipeg | 42.5°F | 44.8°F | 43.5°F |
| Toronto | 42.5°F | 43.8°F | 50.9°F |
| Oshawa | 42.1°F | 44.9°F | 50.6°F |
| Sydney | 41.1°F | 42.1°F | 43.9°F |
| Gimli | 41.0°F | 44.2°F | 40.9°F |
| Les Iles-de-la-Madeleine | 39.9°F | 40.3°F | 42.3°F |
| Corner Brook | 39.6°F | 38.8°F | 39.9°F |
| Rocky Harbour | 39.3°F | 39.2°F | 40.4°F |
| Thunder Bay | 39.0°F | 41.0°F | 41.5°F |
| Twillingate Island | 38.1°F | 37.2°F | 38.2°F |
| Bonavista | 36.3°F | 36.6°F | 37.7°F |
| Trinity | 36.0°F | 35.8°F | 37.9°F |
| St. John's | 35.9°F | 36.7°F | 37.1°F |
| Yellowknife | 33.7°F | 34.4°F | 34.6°F |
Charts below show average sea water temperature for Canada resorts with the warmest sea in May.
You can also check other months of the year to see sea temperature of Canada resorts at that time.
Places in Canada:
Name
°F
