Swimming in Saint John in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Saint John in august 2025.
In august, according to seasonal norms, the sea temperature in Saint John is:
Minimum: 55°F
Average: 57°F
Maximum: 59°F
Other useful seasonal weather averages in august:
- Outside temperature: 63°F to 72°F
- Most common weather: "Clear/Sunny"
- The wind blows at 10.6mph
- It rains a total of 2.5in, over 3 day(s).
Should we swim in Saint John in august?
No... The water temperature in Saint John in august is freezing
You won't be able to swim in Saint John in august! The water temperature is freezing, reaching as low as 55°F (and only 59°F at best)! Our advice: if you are going to Saint John this month, plan to sightsee and forget the beach!
Note also that in august, the climate is good with an average outside temperature of 67°F, 2.5in of precipitation (over 3 days) and 86.41 % humidity.
Water and normal seasonal temperatures in Saint John in august
| August | |||
| Average sea temperature | 57°F | ||
| Minimum sea temperature | 55°F | ||
| Maximum sea temperature | 59°F | ||
| Average outside temperature | 68°F | ||
| Maximum outside temperature | 72°F | ||
| Minimum outside temperature | 63°F | ||
| Wind speed | 10.6mph | ||
| Wind temperature | 63°F | ||
| Precipitation | 2.5in | ||
| Number of days of rain | 3 jour(s) (11%) | ||
| Humidity | 87% | ||
| Visibility in kilometers | 8.91km | ||
| Cloud cover | 37% | ||
| Our opinion | freezing swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Saint John
Swim elsewhere in Canada in august
| City | Average T° | Min. T° | Max. T° | Our opinion | Halifax in august | 63°F | 67°F | cool swimming | Quebec City in august | 58°F | 60°F | freezing swimming | Vancouver in august | 52°F | 55°F | freezing swimming | St. John's (Newfoundland and Labrador) in august | 57°F | 62°F | freezing swimming | Tofino in august | 56°F | 60°F | freezing swimming | Victoria in august | 53°F | 55°F | freezing swimming | Bathurst in august | 59°F | 62°F | freezing swimming | Charlottetown in august | 66°F | 68°F | cool swimming | Nanaimo in august | 53°F | 56°F | freezing swimming |