Alaska weather in May
The state broadly agrees with itself in May: afternoons run 62° in Fairbanks and 55° in Denali National Park, with everywhere else in between.
Based on 4 weather stations. Four stations for a state that would swallow most of the map — the Arctic north and the Aleutians sit far outside what these rows can honestly say.
Southcentral
Highs near 56°, nights around 40°, and 0.7 in of rain in a typical May.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Anchorage | 56° / 40° | 2 | Green arrives overnight and the evenings stop ending. |
Southeast & the Inside Passage
Highs near 58°, nights around 40°, and 3.5 in of rain in a typical May.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Juneau | 58° / 40° | 9 | The best odds of a clear day all year. |
The Interior
Highs 55–62°, nights 31–39°, and up to 2.6 in of snow in a typical May.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Fairbanks | 62° / 39° | 2 | 0.9 in | Green explodes, days stretch, mosquitoes have not yet mobilized. |
| Denali National Park | 55° / 31° | 2 | 2.6 in | The park wakes up slowly; frost still finds the tent. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.