Swimming in Ketchikan in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Ketchikan in august 2025.
In august, according to seasonal norms, the sea temperature in Ketchikan is:
Minimum: 53°F
Average: 57°F
Maximum: 60°F
Other useful seasonal weather averages in august:
- Outside temperature: 54°F to 62°F
- Most common weather: "Moderate rain at times"
- The wind blows at 7.5mph
- It rains a total of 13.7in, over 12 day(s).
Should we swim in Ketchikan in august?
No... The water temperature in Ketchikan in august is freezing
You won't be able to swim in Ketchikan in august! The water temperature is freezing, reaching as low as 53°F (and only 60°F at best)! Our advice: if you are going to Ketchikan this month, plan to sightsee and forget the beach!
Note also that in august, the climate is tolerable with an average outside temperature of 58°F, 13.7in of precipitation (over 12 days) and 92.17 % humidity.
Water and normal seasonal temperatures in Ketchikan in august
| August | |||
| Average sea temperature | 57°F | ||
| Minimum sea temperature | 53°F | ||
| Maximum sea temperature | 60°F | ||
| Average outside temperature | 59°F | ||
| Maximum outside temperature | 63°F | ||
| Minimum outside temperature | 56°F | ||
| Wind speed | 7.5mph | ||
| Wind temperature | 54°F | ||
| Precipitation | 13.7in | ||
| Number of days of rain | 12 jour(s) (40%) | ||
| Humidity | 93% | ||
| Visibility in kilometers | 8.29km | ||
| Cloud cover | 56% | ||
| Our opinion | freezing swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Ketchikan
Swim elsewhere in Alaska in august
| City | Average T° | Min. T° | Max. T° | Our opinion | Anchorage in august | 53°F | 56°F | freezing swimming | Anchor Point in august | 54°F | 58°F | freezing swimming | Dillingham in august | 55°F | 60°F | freezing swimming | Dutch Harbor in august | 50°F | 53°F | freezing swimming |