Haines Borough Climate
Haines Borough, Alaska
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
39.9°F
Annual Precip
52.9"
Annual Snowfall
204.5"
Extreme Heat Days
0
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
761
Limited to cold-tolerant varieties
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Haines Borough
Climate Verdict
Haines Borough has a cold, with an average annual temperature of 39.9°F, moderately wet with 52.9 inches of annual precipitation, rare extreme heat with only 0.03333333333333333 days above 90°F annually, heavy winter snowfall averaging 204.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 21.8°F. summers are cool, with July averaging only 58.4°F. The 37°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
Haines Borough is 4.2°F warmer than the Alaska statewide average of 35.7°F.
Climate Profile
About Haines Borough Weather
A Maritime Climate with Substantial Snowfall
Haines Borough averages 39.9°F annually, staying well below the national median temperature of roughly 54°F. Its coastal location creates a unique maritime subarctic climate characterized by high moisture and cool summers.
Warmer than the Average Alaskan Interior
At 39.9°F, Haines is warmer than the statewide average of 35.9°F. Its position in the Southeast panhandle keeps it significantly milder than the frozen interior boroughs.
A Regional Leader in Heavy Snowfall
While nearby Juneau averages 81.9 inches of snow, Haines receives a massive 204.5 inches annually. Both regions share similar average temperatures, but the local geography of Haines drives much higher winter accumulation.
Moderate Summers and Massive Snow Accumulation
Summers are cool with a July average of 58.4°F, ensuring there are no extreme heat days over 90°F. Winter is defined by heavy precipitation, with 52.9 inches of total annual moisture falling mostly as snow.
Snow Removal is a Way of Life
Residents require heavy-duty snow removal equipment and structural designs capable of handling high snow loads. Waterproof outer layers are necessary for the 52.9 inches of annual precipitation that defines the region.
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.