Ketchikan, AK Weather & Climate Normals
Ketchikan's real weather, in one number
Ketchikan, AK scores 42/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Ketchikan's hottest and coldest months
Ketchikan's hottest month is Aug, averaging 61°F; its coldest is Jan, averaging 36°F, a 24.9°F swing across the year, a middling gap by national standards.
Ketchikan's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 39°F | 32°F | 17.63in |
| Feb | 41°F | 33°F | 11.13in |
| Mar | 45°F | 35°F | 12.64in |
| Apr | 52°F | 39°F | 9.53in |
| May | 59°F | 45°F | 7.19in |
| Jun | 64°F | 50°F | 5.86in |
| Jul | 66°F | 54°F | 6.51in |
| Aug | 67°F | 54°F | 11.16in |
| Sep | 60°F | 50°F | 17.68in |
| Oct | 52°F | 43°F | 19.1in |
| Nov | 43°F | 37°F | 19.46in |
| Dec | 40°F | 33°F | 19.38in |
Jun, Jul, Aug, and Sep are the best time to see Ketchikan at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Ketchikan
Over a typical year, Ketchikan sees about 157.27in of precipitation a year across roughly 242 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Ketchikan ranks
Ketchikan ranks 4282 of 4876 US cities in this dataset for comfort score, and 1 of 11 within AK. About 8,033 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Beaver Falls, AK US, 0.9 miles from Ketchikan, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · How the comfort score is calculated