Average temperatures for December at communities and other locations throughout Alaska are listed below in degrees Fahrenheit and Celsius.
You can jump to a separate table for each region of the state: Southeast, South - Central, Southwest, Interior and Far North Alaska.
The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.
Southeast Alaska
Average December temperatures
| High °F |
Low °F |
Place |
High °C |
Low °C |
| 43 |
34 |
Annette Island |
6 |
1 |
| 33 |
27 |
Glacier Bay |
1 |
-3 |
| 30 |
22 |
Haines |
-1 |
-6 |
| 35 |
26 |
Juneau |
2 |
-3 |
| 40 |
33 |
Ketchikan |
5 |
0 |
| 42 |
33 |
Sitka |
5 |
1 |
| 34 |
26 |
Skagway |
1 |
-4 |
| 37 |
31 |
Wrangell |
3 |
-1 |
| 36 |
25 |
Yakutat |
2 |
-4 |
South - Central Alaska
Average daily temperatures in December
| High °F |
Low °F |
Place |
High °C |
Low °C |
| 25 |
14 |
Anchorage |
-4 |
-10 |
| 8 |
-8 |
Gulkana |
-13 |
-22 |
| 34 |
21 |
Homer |
1 |
-6 |
| 33 |
23 |
Seward |
1 |
-5 |
| 23 |
8 |
Talkeetna |
-5 |
-13 |
| 31 |
22 |
Valdez |
-1 |
-6 |
Southwest Alaska
December temperatures: daily averages
| High °F |
Low °F |
Place |
High °C |
Low °C |
| 16 |
4 |
Bethel |
-9 |
-16 |
| 36 |
26 |
Cold Bay |
2 |
-3 |
| 26 |
11 |
King Salmon |
-4 |
-11 |
| 37 |
27 |
Kodiak |
3 |
-3 |
| 6 |
-10 |
McGrath |
-15 |
-23 |
| 27 |
15 |
Port Alsworth |
-3 |
-10 |
| 33 |
25 |
St Paul Island |
1 |
-4 |
Interior Alaska
Average December temperatures
| High °F |
Low °F |
Place |
High °C |
Low °C |
| 4 |
-13 |
Fairbanks |
-15 |
-25 |
| 14 |
-3 |
McKinley Park |
-10 |
-19 |
| 2 |
-13 |
Tanana |
-16 |
-25 |
| -2 |
-18 |
Tok |
-19 |
-28 |
Far North Alaska
Average December temperatures
| High °F |
Low °F |
Place |
High °C |
Low °C |
| 0 |
-12 |
Barrow |
-18 |
-25 |
| 2 |
-14 |
Bettles |
-17 |
-26 |
| 9 |
-4 |
Kotzebue |
-13 |
-20 |
| 16 |
2 |
Nome |
-9 |
-17 |