Bristol Bay Borough Climate
Bristol Bay Borough, Alaska
NOAA NCEI 1991-2020 Climate NormalsAvg 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
Growing Season & Gardening
566
Limited to cold-tolerant varieties
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Bristol Bay Borough
Climate Verdict
Bristol Bay Borough has a cold, with an average annual temperature of 36.5°F, semi-arid conditions with only 21.4 inches of annual precipitation, moderate snowfall of 47.4 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 16.6°F. summers are cool, with July averaging only 56.7°F. The 40°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Bristol Bay Borough closely matches the Alaska statewide average temperature of 35.7°F, it is also noticeably drier, receiving 32.1 inches less precipitation than the state average.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.