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Ketchikan December Weather

Averages and records for weather in Ketchikan, Alaska in the month of December.

Typical Ketchikan December Weather 1991–2020
Average daily high	40.4 °F
Average daily low	32.2 °F
Average monthly precipitation	15.8 inches
Daily chance of precipitation	72.2%

Ketchikan December Weather Records 1910–2024
Highest temperature	62 °F	December 12, 1962
Lowest temperature	-1 °F	December 15, 1964
Highest daily low	48 °F	December 7, 1925
Lowest daily high	11 °F	December 15, 1964
Hottest average high temperature	48.3 °F	1969
Coldest average high temperature	30.3 °F	1933
Most daily precipitation	7.3 inches	December 10, 1962
Most monthly precipitation	35.2 inches	1930

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
December 1	41.2	33.0	55	7
December 2	41.2	33.0	53	6
December 3	41.1	32.9	53	4
December 4	41.0	32.9	52	8
December 5	40.9	32.8	60	15
December 6	40.8	32.7	55	9
December 7	40.8	32.6	58	8
December 8	40.7	32.5	60	0
December 9	40.6	32.4	57	6
December 10	40.6	32.4	56	7
December 11	40.6	32.4	59	10
December 12	40.6	32.4	62	5
December 13	40.6	32.4	54	5
December 14	40.5	32.4	58	8
December 15	40.4	32.3	55	-1
December 16	40.4	32.2	52	3
December 17	40.4	32.2	54	12
December 18	40.4	32.2	57	8
December 19	40.3	32.1	57	5
December 20	40.3	32.1	57	8
December 21	40.2	32.0	53	3
December 22	40.2	31.9	51	4
December 23	40.1	31.8	55	0
December 24	40.0	31.7	54	6
December 25	39.9	31.5	52	0
December 26	39.8	31.4	52	0
December 27	39.7	31.2	50	0
December 28	39.6	31.0	55	4
December 29	39.6	31.0	53	4
December 30	39.5	30.9	55	2
December 31	39.5	30.9	52	4

Weather Station Details

Years	Station	Coordinates
1910–2024	Ketchikan International Airport	location