Swimming in Alaska in may 2025 Sea temperature by city in may
Do you want to go to the beach in Alaska in may 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in may in Alaska by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Alaska in may 2025
Here, find the average sea temperature in Alaska in may in several coastal cities.
43°F
min: 38°F / max: 47°F
42°F
min: 38°F / max: 47°F
40°F
min: 35°F / max: 45°F
42°F
min: 40°F / max: 44°F
49°F
min: 44°F / max: 53°F
Cordova
47°F
min: 42°F / max: 53°F
Gambell (St. Lawrence Island)
31°F
min: 27°F / max: 35°F
Haines
43°F
min: 40°F / max: 48°F
Kenai
42°F
min: 38°F / max: 47°F
Kodiak
44°F
min: 40°F / max: 49°F
Kotzebue
32°F
min: 29°F / max: 34°F
Nome
32°F
min: 27°F / max: 37°F
Sand Point
42°F
min: 39°F / max: 46°F
Valdez
47°F
min: 42°F / max: 52°F
Where should you go swimming in Alaska in the month of may?
Swimming in Alaska in may is freezing
In may in Alaska swimming conditions are generally the same everywhere.
Forget about swimming in Anchorage, Anchor Point, Dillingham, Dutch Harbor, Ketchikan, Cordova, Gambell (St. Lawrence Island), Haines, Kenai, Kodiak, Kotzebue, Nome, Sand Point and Valdez in may! The water temperature is freezing, reaching as low as 38°F (and only 47°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!
Where to go swimming in Alaska in may: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in may
Anchorage
| May | |||
| Average sea temperature | 43°F | ||
| Minimum sea temperature | 38°F | ||
| Maximum sea temperature | 47°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 54°F | ||
| Minimum outside temperature | 43°F | ||
| Precipitation | 1.3in | ||
| Number of days of precipitation | 1 jour(s) (4%) | ||
| Cloud cover | 39% | ||
| Our opinion | freezing swimming |
More information on swimming in Anchorage in may
Anchor Point
| May | |||
| Average sea temperature | 42°F | ||
| Minimum sea temperature | 38°F | ||
| Maximum sea temperature | 47°F | ||
| Average outside temperature | 45°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 43°F | ||
| Precipitation | 3.5in | ||
| Number of days of precipitation | 6 jour(s) (19%) | ||
| Cloud cover | 51% | ||
| Our opinion | freezing swimming |
More information on swimming in Anchor Point in may
Dillingham
| May | |||
| Average sea temperature | 40°F | ||
| Minimum sea temperature | 35°F | ||
| Maximum sea temperature | 45°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 54°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 3.8in | ||
| Number of days of precipitation | 6 jour(s) (19%) | ||
| Cloud cover | 58% | ||
| Our opinion | freezing swimming |
More information on swimming in Dillingham in may
Dutch Harbor
| May | |||
| Average sea temperature | 42°F | ||
| Minimum sea temperature | 40°F | ||
| Maximum sea temperature | 44°F | ||
| Average outside temperature | 41°F | ||
| Maximum outside temperature | 43°F | ||
| Minimum outside temperature | 40°F | ||
| Precipitation | 5in | ||
| Number of days of precipitation | 8 jour(s) (24%) | ||
| Cloud cover | 70% | ||
| Our opinion | freezing swimming |
More information on swimming in Dutch Harbor in may
Ketchikan
| May | |||
| Average sea temperature | 49°F | ||
| Minimum sea temperature | 44°F | ||
| Maximum sea temperature | 53°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 47°F | ||
| Precipitation | 8.3in | ||
| Number of days of precipitation | 9 jour(s) (31%) | ||
| Cloud cover | 56% | ||
| Our opinion | freezing swimming |
More information on swimming in Ketchikan in may
List of coastal cities in Alaska
| Anchorage in may | freezing swimming |
| Anchor Point in may | freezing swimming |
| Dillingham in may | freezing swimming |
| Dutch Harbor in may | freezing swimming |
| Ketchikan in may | freezing swimming |
| Cordova in may | freezing swimming |
| Gambell (St. Lawrence Island) in may | freezing swimming |
| Haines in may | freezing swimming |
| Kenai in may | freezing swimming |
| Kodiak in may | freezing swimming |
| Kotzebue in may | freezing swimming |
| Nome in may | freezing swimming |
| Sand Point in may | freezing swimming |
| Valdez in may | freezing swimming |