Ketchikan Weather in March

The climate in Ketchikan during March can be summarized as cool and very wet.

March is in the spring in Ketchikan and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cold 5°C (42°F), whilst at night -1°C (30°F) is normal.

On average March is the 6th driest month of the year in Ketchikan with around 237mm 9.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.6 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ketchikan in March 2025.