Climate almanac
Ketchikan
Alaska, United States · 55.34°, -131.65°
What is the weather like in Ketchikan in December?
In December, Ketchikan is typically 40°F (4°C) during the day and 36°F (2°C) at night. The month brings about 15 in (377 mm) of precipitation in total. Snowfall averages about 8.5 in (217 mm) over the month.
- Average high40°F (4°C)
- Average low36°F (2°C)
- Precipitation15 in (377 mm)
- Clear or mostly clear days3
- Snowfall8.5 in (217 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)