December weather in Ketchikan, AK
The average temperature in Ketchikan in December is 36.5°F (33.4°F–39.5°F). Average precipitation: 19.38 inches.
December is a winter month in Ketchikan, and is cooler than the annual average of 47.3°F. Daily temperatures swing about 6.1°F between overnight low and afternoon high. Expect about 22 days with precipitation. Daylight averages about 6h 51m. For travel, December is a wet month.
Avg High
39.5°F
Avg Low
33.4°F
Precipitation
19.38 in
Daylight
6h 51m
December records in Ketchikan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 51.1°F (1958) | 10.9°F (1970) | 3.06 in (1994) |
| December 2 | 51.1°F (1989) | 3.9°F (1970) | 6.07 in (2006) |
| December 3 | 50.0°F (1963) | 5.0°F (1970) | 4.07 in (1954) |
| December 4 | 50.0°F (1963) | 5.0°F (1970) | 2.66 in (1959) |
| December 5 | 50.0°F (1959) | 9.0°F (1985) | 5.85 in (1959) |
| December 6 | 51.1°F (1959) | 10.9°F (1958) | 3.04 in (2001) |
| December 7 | 50.0°F (1960) | 5.0°F (1995) | 4.72 in (2001) |
| December 8 | 51.1°F (1957) | 1.9°F (1948) | 3.79 in (1988) |
| December 9 | 52.0°F (1960) | 3.9°F (1977) | 2.90 in (1980) |
| December 10 | 51.1°F (1962) | 9.0°F (1977) | 4.11 in (1962) |
| December 11 | 55.9°F (1962) | 19.0°F (1956) | 2.08 in (2003) |
| December 12 | 51.1°F (2002) | 10.0°F (1971) | 3.30 in (2003) |
| December 13 | 55.0°F (1962) | 12.9°F (1948) | 2.23 in (1997) |
| December 14 | 50.0°F (1980) | 9.0°F (1948) | 1.85 in (2013) |
| December 15 | 55.0°F (1962) | 1.9°F (1964) | 2.64 in (1991) |
| December 16 | 50.0°F (2004) | 1.9°F (1964) | 2.35 in (2013) |
| December 17 | 48.0°F (2004) | 10.0°F (1964) | 4.20 in (2000) |
| December 18 | 54.0°F (2003) | 14.0°F (1990) | 3.40 in (2004) |
| December 19 | 54.0°F (2003) | 10.0°F (1990) | 2.49 in (1997) |
| December 20 | 52.0°F (1954) | 12.0°F (1990) | 3.35 in (1991) |
| December 21 | 51.1°F (1954) | 12.9°F (1964) | 4.40 in (1960) |
| December 22 | 50.0°F (1962) | 10.9°F (1964) | 4.12 in (2003) |
| December 23 | 51.1°F (1999) | 10.0°F (1971) | 4.34 in (2001) |
| December 24 | 50.0°F (1989) | 6.1°F (1964) | 3.35 in (1956) |
| December 25 | 50.0°F (1989) | 9.0°F (1964) | 4.08 in (1989) |
| December 26 | 50.0°F (1989) | 6.1°F (1955) | 2.60 in (1956) |
| December 27 | 50.0°F (1979) | 9.0°F (1955) | 2.40 in (1954) |
| December 28 | 53.1°F (1979) | 3.0°F (1968) | 2.64 in (1969) |
| December 29 | 48.9°F (1979) | 1.0°F (1968) | 2.10 in (1980) |
| December 30 | 50.0°F (1963) | 5.0°F (1968) | 2.22 in (1989) |
| December 31 | 50.0°F (1963) | 3.0°F (1949) | 5.47 in (2002) |