Bristol Bay Borough Climate
Bristol Bay Borough, Alaska
Avg Annual Temp
36.5°F
Annual Precip
21.4"
Annual Snowfall
47.4"
Extreme Heat Days
0
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Bristol Bay Borough Weather
A Chilly Northern Frontier
Bristol Bay Borough averages 36.5°F annually, a figure that highlights its position in the cold subarctic zone. This is nearly 20 degrees cooler than the average temperature found in the central United States.
Aligning With the State Average
The borough's 36.5°F average is almost identical to the Alaska state average of 35.9°F. It serves as a climatic benchmark for the transition between Alaska's maritime and continental zones.
Warmer and Drier Than Bethel
Bristol Bay is notably warmer than the Bethel Census Area, which averages only 31.4°F. It is also a drier region, receiving 21.4 inches of precipitation compared to the heavier snows of the interior.
Cold Winters and Brief Summers
January brings an average temperature of 16.6°F, while July provides a short window of 56.7°F warmth. Snowfall is moderate for Alaska at 47.4 inches, and there are no extreme heat days to speak of.
Plan for Sustained Winter Cold
Reliable heating systems are a must for the 19.1°F winter average. Residents should also prepare for 47.4 inches of snow, though the region's lower precipitation makes it easier to manage than coastal areas.
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.