Ketchikan Weather in December

December in Ketchikan sees daytime temperatures around 5°C (41°F) and lows of 1°C (34°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.

Rainfall in Ketchikan in December

As part of the rainy season, Ketchikan sees around 21 days of rain in December, with an average of 369 mm (15 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Ketchikan in December

In December, Ketchikan gets low temperatures, with highs of 5°C (41°F). Nights cool to around 1°C (34°F). December marks the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At 1°C (34°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Ketchikan in December

The area experiences limited sunny days, amounting to roughly 36 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

December in Ketchikan can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.