TravelTill

Climate in Dutch Harbor and Unalaska


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As in all of the Aleutian islands, the climate of Unalaska is a subpolar oceanic climate (Cfc) with moderate and fairly uniform temperatures and heavy rainfall. Fog is often present even when it is not raining. Summer weather is around 5 °F (2.8 °C) cooler than Southeast Alaska (Sitka), but the winter temperatures are nearly the same.

The mean annual temperature for Unalaska is about 40.5 °F (4.7 °C), being about 31.5 °F (−0.3 °C) in January and about 52 °F (11.1 °C) in August

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