Climate & Weather in Ketchikan
Ketchikan has a real, genuine oceanic Southeast Alaska climate -- mild by Alaska standards, but genuinely, extremely wet, distinct from the cold-continental climate covering most of the state.
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Learn moreAmerica's rainiest city
Ketchikan is widely and repeatedly described as America's rainiest city -- this pass's research found a real, disclosed 135-153 inches of annual precipitation across sources, with rain recorded on approximately 234 days per year.
Mild by Alaska standards
Ketchikan's Southeast Alaska climate runs genuinely milder than the rest of the state -- per alaska.js's own statewide disclosure, the region runs a temperate, maritime climate more akin to coastal British Columbia than to Alaska's Interior or Arctic regions.
October is the wettest month
October brings up to approximately 22 inches of rain in a typical year, while June and July mark a relative minimum, though still a substantial ~7.5 inches per month.
Key takeaways
- Ketchikan is genuinely among America's wettest cities -- 135-153 inches of rain annually.
- Ketchikan's climate runs milder than most of Alaska, per alaska.js's own statewide regional disclosure.
- October is the wettest month; June/July mark a relative (but still substantial) minimum.
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