Kodiak Island Borough Climate
Kodiak Island Borough, Alaska
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
40.7°F
Annual Precip
80.5"
Annual Snowfall
50.0"
Extreme Heat Days
0
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
407
Limited to cold-tolerant varieties
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Kodiak Island Borough
Climate Verdict
Kodiak Island Borough has a cool, averaging 40.7°F annually, very wet conditions receiving 80.5 inches of precipitation annually, moderate snowfall of 50.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 29.6°F. summers are cool, with July averaging only 54.6°F. The climate is remarkably stable year-round, with only a 25°F difference between January and July. January is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Kodiak Island Borough is 5.0°F warmer than the Alaska statewide average of 35.7°F, it is also noticeably wetter, receiving 27.0 inches more precipitation than the state average.
Climate Profile
About Kodiak Island Borough Weather
Maritime Mildness in the North Pacific
Kodiak Island averages 40.7°F annually, kept cool but stable by the surrounding Pacific Ocean. This maritime climate avoids the extreme temperature swings found in the continental U.S.
Warmer and Rainier than Average Alaska
Kodiak's 40.7°F average is warmer than the 35.9°F state average. It receives 80.5 inches of precipitation annually, which is significantly higher than the statewide average of 54.8 inches.
Milder and Drier than Southeast Alaska
Kodiak is slightly cooler than Ketchikan (46.6°F) and receives roughly half the precipitation. It sees about 50 inches of snowfall annually, which is much less than the 204.5 inches found in Haines.
Cool Summers and Manageable Winters
Winter temperatures average a moderate 30.4°F, while summers are consistently cool at 53.2°F. The island experiences 50 inches of snow and zero days of extreme heat over 90°F.
Gear Up for Wind and Rain
Residents should prioritize wind-blocking and waterproof layers for the 80.5 inches of annual precipitation. Because winter stays near freezing, gear that handles slush and damp cold is better than heavy arctic parkas.
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.