Kootenai County Climate
Kootenai County, Idaho
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.9°F
Annual Precip
25.0"
Annual Snowfall
27.2"
Extreme Heat Days
14
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
1,841
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Kootenai County
Climate Verdict
Kootenai County has a cool, averaging 46.9°F annually, moderate rainfall of 25.0 inches per year, rare extreme heat with only 13.600000000000001 days above 90°F annually, moderate snowfall of 27.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 29.9°F. summers are pleasantly cool with July averaging 67.5°F. The 38°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Kootenai County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Kootenai County closely matches the Idaho statewide average temperature of 46.5°F, it is also noticeably wetter, receiving 8.0 inches more precipitation than the state average, the county experiences 16.594984182484186 fewer extreme heat days than the state average.
Climate Profile
About Kootenai County Weather
Moderate temperatures with northern moisture
Kootenai County averages 46.9°F annually, trending cooler than the national average but warmer than many mountain counties. It is relatively wet for the region, seeing 25.0 inches of precipitation per year.
Mirroring the Idaho state average
The county’s 46.9°F average temperature almost perfectly aligns with the Idaho state average of 46.5°F. However, its 25.0 inches of precipitation is significantly higher than the statewide average of 17.0 inches.
Similar to Latah but drier
Kootenai shares a nearly identical temperature profile with Latah County, but it receives about 20 fewer inches of snow annually. At 27.2 inches of snowfall, it is easier to navigate in winter than the deeper mountain counties.
Balanced seasons and mild summers
The region enjoys mild summers with only 14 days over 90°F and a July average of 67.5°F. Winters are manageable, with January averages staying just below freezing at 29.9°F.
Gear up for a rainy, mild climate
With 25 inches of rain and moderate snow, high-quality outdoor rain gear is a must for year-round activity. Residents benefit from lower cooling costs since extreme heat days are rare compared to southern Idaho.
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.