Alaska weather in December
December splits Alaska wide open: Juneau runs 35° afternoons while Fairbanks sees real snow.
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 25°, nights around 14°, and 18.2 in of snow in a typical December.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Anchorage | 25° / 14° | 11 | 18.2 in | Snowiest, darkest, and strangely the most festive month here. |
Southeast & the Inside Passage
Highs near 35°, nights around 26°, and 18.1 in of snow in a typical December.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Juneau | 35° / 26° | 10 | 18.1 in | Dark most of the day, and the snow settles in. |
The Interior
Highs 4–14°, nights -13–-2°, and up to 12.4 in of snow in a typical December.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Fairbanks | 4° / -13° | 10 | 10.9 in | Daylight is a rumor; the aurora is not. |
| Denali National Park | 14° / -2° | 11 | 12.4 in | A few hours of blue twilight, then stars again. |
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.