Average sea water temperature in July:
+56.9°F
| Minimum sea water temperature in July: | 64.9°F |
| Maximum sea water temperature in July: | 49.8°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 55.5°F. The highest and lowest sea temperatures during the month were 63.1°F and 49.8°F.
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| Saint John |
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Monthly sea water temperature in Saint John, °F
Which Canada resorts have warmest sea in July?
| Place name | July 2025 | July 2024 |
|---|---|---|
| Montreal | 75.8°F | 75.3°F |
| Windsor | 75.4°F | 73.1°F |
| Niagara-on-the-Lake | 74.3°F | 73.2°F |
| Niagara Falls | 72.5°F | 71.4°F |
| Kingston | 72.3°F | 72.2°F |
| Winnipeg | 70.7°F | 70.8°F |
| Barrie | 70.7°F | 68.9°F |
| Hamilton | 70.6°F | 68.6°F |
| Quebec | 69.7°F | 72.2°F |
| Gimli | 69.7°F | 69.1°F |
| Mississauga | 68.7°F | 67.6°F |
| Summerside | 68.7°F | 69.6°F |
| Toronto | 68.5°F | 68.1°F |
| Oshawa | 67.1°F | 67.0°F |
| Prince Edward Island | 66.5°F | 68.0°F |
| Charlottetown | 66.1°F | 66.8°F |
| Surrey | 65.4°F | 66.2°F |
| North Vancouver | 65.1°F | 64.9°F |
| Vancouver | 64.9°F | 64.7°F |
| Nanaimo | 64.8°F | 65.2°F |
Best time for vacation in Saint John
Saint John on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Saint John
Local time: 04:00
December 29, monday
0600
18°F
E
2 mph
2 mph
0900
27°F
NW
4 mph
4 mph
1200
34°F
NW
10 mph
10 mph
1500
36°F
NW
15 mph
15 mph
1800
37°F
NW
17 mph
17 mph
2100
39°F
NW
21 mph
21 mph
December 30, tuesday
0000
41°F
NW
11 mph
11 mph
0300
39°F
NE
17 mph
17 mph
