Ketchikan Weather in May

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

May is in the spring in Ketchikan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 4°C (39°F) is normal.

On average May is the 3rd driest month of the year in Ketchikan with around 188mm 7.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.3 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 May 2024.