Typically, the expected weather in Ketchikan during December is 4 with a high of 5 with low average temperatures being 1. Discover more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 4 |
| High Temperature | 5 |
| Low Temperature | 1 |
| Sunshine Per Day | 5 |
Useful Links: Ketchikan Weather: Average Weather & Yearly Climate