Ketchikan Weather in December
Average highs run from 41°F on December 1 to 39°F on December 31, and lows from 35°F to 32°F. Normal precipitation for the month is 19.38 in over about 22 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 40°F
- Average low
- 33°F
- Precipitation
- 19.38 in
- Snowfall
- 8.1 in
- Record high
- 62°FDec 12, 1962
- Record low
- -1°FDec 15, 1964
- Chance of a freeze
- 100%
- Daylight
- 7 h 31 min to 7 h 12 min
- Cloud cover
- 75%
- Humidity
- 96%
- Dew point
- 26°F
- Wind
- 8.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 41°F | 35°F | 55°F 1959 | 7°F 2001 | 74% | 12% |
| Dec 2 | 41°F | 35°F | 53°F 1940 | 6°F 1970 | 74% | 13% |
| Dec 3 | 41°F | 35°F | 53°F 1939 | 4°F 1970 | 74% | 13% |
| Dec 4 | 41°F | 35°F | 52°F 1939 | 8°F 1970 | 74% | 13% |
| Dec 5 | 40°F | 35°F | 60°F 1959 | 15°F 1977 | 73% | 13% |
| Dec 6 | 40°F | 34°F | 55°F 1959 | 9°F 1958 | 73% | 13% |
| Dec 7 | 40°F | 34°F | 58°F 1925 | 8°F 1977 | 73% | 13% |
| Dec 8 | 40°F | 34°F | 60°F 1934 | 0°F 1977 | 73% | 14% |
| Dec 9 | 40°F | 34°F | 57°F 1960 | 6°F 1977 | 73% | 14% |
| Dec 10 | 40°F | 34°F | 56°F 1957 | 7°F 1919 | 73% | 14% |
| Dec 11 | 40°F | 34°F | 59°F 1962 | 10°F 1929 | 72% | 14% |
| Dec 12 | 40°F | 34°F | 62°F 1962 | 5°F 1971 | 72% | 15% |
| Dec 13 | 40°F | 34°F | 54°F 1962 | 5°F 1971 | 72% | 15% |
| Dec 14 | 40°F | 34°F | 58°F 1962 | 8°F 1922 | 72% | 15% |
| Dec 15 | 40°F | 33°F | 55°F 1958 | -1°F 1964 | 72% | 15% |
| Dec 16 | 39°F | 33°F | 52°F 1953 | 3°F 1964 | 72% | 16% |
| Dec 17 | 39°F | 33°F | 54°F 1925 | 12°F 1933 | 72% | 16% |
| Dec 18 | 39°F | 33°F | 57°F 1935 | 8°F 1933 | 72% | 16% |
| Dec 19 | 39°F | 33°F | 57°F 1969 | 5°F 2022 | 72% | 16% |
| Dec 20 | 39°F | 33°F | 57°F 1969 | 8°F 1933 | 72% | 16% |
| Dec 21 | 39°F | 33°F | 57°F 2024 | 3°F 2022 | 72% | 16% |
| Dec 22 | 39°F | 33°F | 51°F 1939 | 4°F 1933 | 72% | 16% |
| Dec 23 | 39°F | 33°F | 55°F 1960 | 0°F 1917 | 72% | 16% |
| Dec 24 | 39°F | 33°F | 54°F 1925 | 6°F 1933 | 72% | 16% |
| Dec 25 | 39°F | 33°F | 52°F 1925 | 0°F 2021 | 72% | 16% |
| Dec 26 | 39°F | 32°F | 52°F 1935 | 0°F 2021 | 72% | 16% |
| Dec 27 | 39°F | 32°F | 50°F 1935 | 0°F 1917 | 72% | 16% |
| Dec 28 | 39°F | 32°F | 55°F 1979 | 4°F 1968 | 72% | 16% |
| Dec 29 | 39°F | 32°F | 53°F 2023 | 4°F 1968 | 72% | 16% |
| Dec 30 | 39°F | 32°F | 55°F 1963 | 2°F 1933 | 72% | 16% |
| Dec 31 | 39°F | 32°F | 52°F 1917 | 4°F 1949 | 72% | 16% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (AKST).
- December 1
- sunrise 7:50 AM, sunset 3:21 PM
- December 31
- sunrise 8:14 AM, sunset 3:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00500657 (Beaver Falls), public domain. Records: NOAA GHCN-Daily, station USW00025325, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.