ClimateExplore the planning map
Climate · Ketchikan

Ketchikan in December

Chilly and wet, as the days shorten.

Typical weather, averaged over 30 years

December in Ketchikan is chilly: highs near 43°F, lows near 34°F. Rain falls on about five days a week, and the days shorten by 10 minutes from the first week to the last.December in Ketchikan is chilly: highs near 6°C, lows near 1°C. Rain falls on about five days a week, and the days shorten by 10 minutes from the first week to the last.

High
43°F6°Caverage
Low
34°F1°Caverage
Wet days
5a week · 73% of days
Daylight
7h 11mon average

Is December a good time to visit Ketchikan?

December sits outside Ketchikan's best months, which run from July to August. Expect chilly days and rain on about five days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Highs near 43°F in December, against 42°F to 67°F through the year.Highs near 6°C in December, against 6°C to 19°C through the year.

Chance of a wet day

73% of days in December, against 53% to 76% through the year.

Cloud cover

76% cover in December, against 65% to 76% through the year.

Daylight

7h 11m in December, against 7h 11m to 17h 21m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. November47°8°low 39°low 4°5 wet days a weekRain on about five days a week.
  2. December43°6°low 34°low 1°5 wet days a weekRain on about five days a week.
  3. January42°6°low 33°low 1°5 wet days a weekRain on about five days a week.

Where Ketchikan sits, in December

America/Sitka
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
8:07 AMsets 3:16 PM
Above the sea
0 mlow-lying
Latitude
55.3°Nnorthern hemisphere
Nearest of ours
Sitka297 km north-west

The land around Ketchikan, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United States in December

high · low · wet days
See December on the planning mapThe whole year in Ketchikan

Typical weather, averaged over 30 years (1995–2024), read 6 km south-west of Ketchikan. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (162 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (162 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.