Best time to swim in Alaska Sea temperature by month
Do you want to go to the seaside in Alaska? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month in Alaska.
Swimming in Alaska by month
Discover swimming conditions in detail in Alaska by month below. Click on the links for each month to see details about the sea temperature in the cities of: Anchorage, Anchor Point, Dillingham, Dutch Harbor and Ketchikan.
| Month | Average Sea temperature | Our opinion |
|---|---|---|
| January | 29°F to 44°F | freezing swimming |
| February | 29°F to 43°F | freezing swimming |
| March | 29°F to 43°F | freezing swimming |
| April | 29°F to 45°F | freezing swimming |
| May | 31°F to 49°F | freezing swimming |
| June | 37°F to 54°F | freezing swimming |
| July | 47°F to 58°F | freezing swimming |
| August | 48°F to 57°F | freezing swimming |
| September | 44°F to 54°F | freezing swimming |
| October | 39°F to 51°F | freezing swimming |
| November | 31°F to 48°F | freezing swimming |
| December | 30°F to 46°F | freezing swimming |
Where and when should you swim in Alaska?
Best time to swim in Anchorage
No month is favorable as far as sea temperature for swimming in Anchorage.
Best time to swim in Anchor Point
No month is favorable as far as sea temperature for swimming in Anchor Point.
Best time to swim in Dillingham
No month is favorable as far as sea temperature for swimming in Dillingham.
Best time to swim in Dutch Harbor
No month is favorable as far as sea temperature for swimming in Dutch Harbor.
Best time to swim in Ketchikan
No month is favorable as far as sea temperature for swimming in Ketchikan.
Other cities and places in Alaska:
Water temperatures in Alaska over the entire year
On this chart, we show you the variation of the average sea water temperature in Alaska for the cities of: Anchorage, Anchor Point, Dillingham, Dutch Harbor and Ketchikan.