Alaska weather in January
January splits Alaska wide open: Juneau runs 33° 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 23°, nights around 11°, and 12.4 in of snow in a typical January.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Anchorage | 23° / 11° | 9 | 12.4 in | Deep winter, short light — dress for it and it's lovely. |
Southeast & the Inside Passage
Highs near 33°, nights around 24°, and 24.5 in of snow in a typical January.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Juneau | 33° / 24° | 10 | 24.5 in | Wet snow, low light, and a town entirely to locals. |
The Interior
Highs 1–10°, nights -17–-6°, and up to 10.2 in of snow in a typical January.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Fairbanks | 1° / -17° | 10 | 10.2 in | Serious cold, still air, and skies that pay you back. |
| Denali National Park | 10° / -6° | 9 | 9.6 in | Nothing open, nothing moving, and the range utterly still. |
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.