Aleutians East Borough Climate
Aleutians East Borough, Alaska
Avg Annual Temp
39.3°F
Annual Precip
42.7"
Annual Snowfall
67.3"
Extreme Heat Days
0
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Aleutians East Borough Weather
Maritime Mildness in the Far North
Aleutians East Borough maintains an annual average temperature of 39.3°F, significantly lower than the national median but mild for Alaska. The region's subpolar oceanic climate is moderated by the surrounding Pacific waters, preventing the extreme temperature swings seen in the continental U.S.
Warmer Than the Alaska Average
While much of the state faces brutal arctic conditions, this borough averages 39.3°F, nearly 4 degrees warmer than the Alaska state average of 35.9°F. It stands as one of the state's more temperate regions due to its maritime influence.
Milder Winters Than Mainland Neighbors
Compared to the Bristol Bay Borough to the east, Aleutians East enjoys much warmer winters with a December-February average of 29.8°F. It also records 67.3 inches of annual snowfall, which is significantly higher than the 47.4 inches seen in Bristol Bay.
Cool Summers and Snowy Winters
Summer highs are modest, with July temperatures averaging just 51.5°F and zero days reaching 90°F. Winter remains consistently chilly but rarely extreme, averaging 28.4°F in January while supporting 67.3 inches of annual snow.
Prepare for Wind and Constant Moisture
Residents must account for 42.7 inches of annual precipitation and heavy maritime winds. High-quality waterproof gear and wind-resistant home construction are more critical here than traditional cooling systems.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.