Temperate oceanic climate
Climate Ketchikan - Alaska
Annual high51ºF
Annual low39ºF
Precipitation141.25 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 40 | 30 | 15.40 |
| Feb | 41 | 31 | 10.53 |
| Mar | 44 | 32 | 10.89 |
| Apr | 49 | 35 | 9.38 |
| May | 56 | 41 | 8.20 |
| Jun | 61 | 47 | 6.60 |
| Jul | 64 | 51 | 6.57 |
| Aug | 64 | 52 | 9.81 |
| Sep | 58 | 47 | 13.79 |
| Oct | 51 | 40 | 19.22 |
| Nov | 43 | 34 | 16.63 |
| Dec | 40 | 31 | 14.23 |
- JanHigh 40ºFLow 30ºFPrecip 15.40 inch
- FebHigh 41ºFLow 31ºFPrecip 10.53 inch
- MarHigh 44ºFLow 32ºFPrecip 10.89 inch
- AprHigh 49ºFLow 35ºFPrecip 9.38 inch
- MayHigh 56ºFLow 41ºFPrecip 8.20 inch
- JunHigh 61ºFLow 47ºFPrecip 6.60 inch
- JulHigh 64ºFLow 51ºFPrecip 6.57 inch
- AugHigh 64ºFLow 52ºFPrecip 9.81 inch
- SepHigh 58ºFLow 47ºFPrecip 13.79 inch
- OctHigh 51ºFLow 40ºFPrecip 19.22 inch
- NovHigh 43ºFLow 34ºFPrecip 16.63 inch
- DecHigh 40ºFLow 31ºFPrecip 14.23 inch
Climate summary
What is the average weather in Ketchikan, Alaska?
Ketchikan has a temperate oceanic climate, characterized by very wet conditions year-round, with a strong pattern of wetter fall months. Summers are cool and drier, while winters are cold. Frequent, light rain or drizzle is common during the cooler season, contributing to the high annual precipitation.
Ketchikan weather averages
Annual high51ºF
Annual low39ºF
Precipitation141.25 inch
Daily normals Ketchikan - Alaska - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 39.3 | 31.4 | 0.51 | 0.51 |
| Jan 2 | 39.3 | 31.4 | 1.02 | 1.02 |
| Jan 3 | 39.3 | 31.3 | 1.54 | 1.54 |
| Jan 4 | 39.3 | 31.3 | 2.05 | 2.05 |
| Jan 5 | 39.3 | 31.3 | 2.55 | 2.55 |
| Jan 6 | 39.3 | 31.3 | 3.06 | 3.06 |
| Jan 7 | 39.3 | 31.3 | 3.55 | 3.55 |
| Jan 8 | 39.3 | 31.3 | 4.05 | 4.05 |
| Jan 9 | 39.4 | 31.3 | 4.54 | 4.54 |
| Jan 10 | 39.4 | 31.3 | 5.03 | 5.03 |
| Jan 11 | 39.4 | 31.3 | 5.54 | 5.54 |
| Jan 12 | 39.5 | 31.3 | 6.06 | 6.06 |
| Jan 13 | 39.5 | 31.4 | 6.58 | 6.58 |
| Jan 14 | 39.5 | 31.4 | 7.12 | 7.12 |
| Jan 15 | 39.6 | 31.4 | 7.66 | 7.66 |
| Jan 16 | 39.6 | 31.4 | 8.19 | 8.19 |
| Jan 17 | 39.7 | 31.5 | 8.72 | 8.72 |
| Jan 18 | 39.7 | 31.5 | 9.26 | 9.26 |
| Jan 19 | 39.8 | 31.5 | 9.79 | 9.79 |
| Jan 20 | 39.8 | 31.6 | 10.34 | 10.34 |
| Jan 21 | 39.9 | 31.6 | 10.87 | 10.87 |
| Jan 22 | 39.9 | 31.6 | 11.41 | 11.41 |
| Jan 23 | 40.0 | 31.7 | 11.96 | 11.96 |
| Jan 24 | 40.0 | 31.7 | 12.50 | 12.50 |
| Jan 25 | 40.1 | 31.7 | 13.03 | 13.03 |
| Jan 26 | 40.1 | 31.7 | 13.56 | 13.56 |
| Jan 27 | 40.2 | 31.7 | 14.08 | 14.08 |
| Jan 28 | 40.2 | 31.8 | 14.60 | 14.60 |
| Jan 29 | 40.3 | 31.8 | 15.12 | 15.12 |
| Jan 30 | 40.3 | 31.8 | 15.65 | 15.65 |
| Jan 31 | 40.4 | 31.8 | 16.17 | 16.17 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Ketchikan - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 55.9 | 46.0 | 0.04 |
| Oct 2 | 55.9 | 43.0 | 0.00 |
| Oct 3 | 57.9 | 46.0 | 0.53 |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | 53.1 | 46.0 | T |
| Oct 8 | 52.0 | 46.9 | 0.03 |
| Oct 9 | 54.0 | 45.0 | 0.00 |
| Oct 10 | 55.0 | 35.1 | 0.00 |
| Oct 11 | 51.1 | 33.1 | 0.09 |
| Oct 12 | 48.9 | 43.0 | 0.02 |
| Oct 13 | 48.9 | 45.0 | 0.70 |
| Oct 14 | 52.0 | 39.9 | 0.09 |
| Oct 15 | 57.9 | 48.0 | 5.71 |
| Oct 16 | 57.9 | 46.0 | 1.21 |
| Oct 17 | – | – | – |
| Oct 18 | 48.0 | 41.0 | 0.39 |
| Oct 19 | – | – | – |
| Oct 20 | – | – | – |
| Oct 21 | 48.9 | 37.9 | 0.12 |
| Oct 22 | 48.0 | 37.0 | 0.05 |
| Oct 23 | 46.9 | 32.0 | 0.00 |
| Oct 24 | 51.1 | 30.9 | 0.00 |
| Oct 25 | 48.9 | 32.0 | 0.00 |
| Oct 26 | 45.0 | 36.0 | 0.01 |
| Oct 27 | 48.0 | 39.0 | 0.12 |
| Oct 28 | 53.1 | 30.9 | 0.00 |
| Oct 29 | 46.9 | 28.9 | 0.00 |
| Oct 30 | 45.0 | 27.0 | 0.00 |
| Oct 31 | – | – | – |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature57.9ºF · Oct 3
- Lowest max temperature45.0ºF · Oct 26
- Highest min temperature48.0ºF · Oct 15
- Lowest min temperature27.0ºF · Oct 30
Geo Ketchikan - Alaska
Location
- Country
- United States
- State
- Alaska
- County
- Ketchikan Gateway
- City
- Ketchikan
- Zip Code
- 99901
- Elevation
- 69 ft
- Longitude
- -131.65
- Latitude
- 55.34
- ICAO
- –
- IATA
- –