Average sea water temperature in July:
+52.7°F
| Minimum sea water temperature in July: | 60.1°F |
| Maximum sea water temperature in July: | 44.2°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 49.7°F. The highest and lowest sea temperatures during the month were 51.8°F and 46.6°F.
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| St. John's |
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| St. John's |
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Monthly sea water temperature in St. John's, °F
Which Canada resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Montreal | 76.7°F | 75.8°F |
| Windsor | 75.6°F | 75.4°F |
| Niagara-on-the-Lake | 72.9°F | 74.3°F |
| Quebec | 72.8°F | 69.7°F |
| Niagara Falls | 72.5°F | 72.5°F |
| Kingston | 72.4°F | 72.3°F |
| Barrie | 72.2°F | 70.7°F |
| Winnipeg | 72.0°F | 70.7°F |
| Gimli | 70.0°F | 69.7°F |
| Hamilton | 68.1°F | 70.6°F |
| Summerside | 66.9°F | 68.7°F |
| Toronto | 66.8°F | 68.5°F |
| Oshawa | 66.4°F | 67.1°F |
| Mississauga | 66.3°F | 68.7°F |
| Charlottetown | 64.7°F | 66.1°F |
| Prince Edward Island | 64.5°F | 66.5°F |
| Surrey | 63.2°F | 65.4°F |
| North Vancouver | 62.8°F | 65.1°F |
| Vancouver | 62.7°F | 64.9°F |
| Nanaimo | 62.6°F | 64.8°F |
Best time for vacation in St. John's
St. John's on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
St. John's
Local time: 09:04
July 17, friday
1200
66°F
NE
14 mph
14 mph
1500
68°F
NE
14 mph
14 mph
1800
64°F
NE
12 mph
12 mph
2100
57°F
NE
10 mph
10 mph
July 18, saturday
0000
52°F
NE
9 mph
9 mph
0300
50°F
NE
11 mph
11 mph
0600
52°F
NE
12 mph
12 mph
0900
55°F
NE
11 mph
11 mph
