Unalaska Weather in March

The climate in Unalaska during March can be summarized as cold and reasonably dry.

March is in the spring in Unalaska and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing 2°C (35°F), whilst at night -4°C (26°F) is normal.

On average March is the 6th driest month of the year in Unalaska with around 61mm 2.4 inches of rain making it a reasonably dry 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 8 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 Unalaska in March 2024.