Alaska, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Ketchikan, AK

The wettest month (with the highest rainfall) is October (22.2").
Driest months (with the lowest rainfall) are June and July (7.4").

The best month for swimming (with the highest average sea temperature) is August (55.9°F).
The coldest month (with the lowest average sea temperature) is March (42.5°F).