Kitsap County Climate
Kitsap County, Washington
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.3°F
Annual Precip
56.9"
Annual Snowfall
3.0"
Extreme Heat Days
4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9a
Minimum winter temperature range for plant survival
2,058
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Kitsap County
Climate Verdict
Kitsap County has a mild, with an average annual temperature of 52.3°F, very wet conditions receiving 56.9 inches of precipitation annually, rare extreme heat with only 4 days above 90°F annually, light snow averaging 3.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 41.1°F. summers are pleasantly cool with July averaging 65.6°F. The climate is remarkably stable year-round, with only a 24°F difference between January and July. December is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Kitsap County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Kitsap County closely matches the Washington statewide average temperature of 49.9°F, it is also noticeably wetter, receiving 18.4 inches more precipitation than the state average.
Climate Profile
About Kitsap County Weather
Moderate Temperatures Near National Medians
Kitsap County's average temperature of 52.3°F aligns closely with many temperate regions across the country. It offers a stable climate that lacks the volatile swings seen in more continental zones.
One of Washington's Warmer Spots
The county's 52.3°F average temperature makes it warmer than the state average of 49.9°F. It also receives 56.9 inches of rain, placing it well above the 38.5-inch state average for precipitation.
Warmer and Drier Than King County
Kitsap averages 52.3°F, making it a full degree warmer on average than King County to the east. It is also drier than King, receiving about 7 fewer inches of annual rainfall.
Mild Winters with Minimal Snow
Winter is exceptionally mild here, with only 3.0 inches of annual snowfall and a January average of 41.1°F. Summers are comfortable, featuring just 4 days per year where temperatures reach 90°F or higher.
Focus on Rain Protection
With only 3 inches of snow, heavy winter equipment is rarely necessary. Residents should instead prioritize home drainage and rain gear to manage the 56.9 inches of annual precipitation.
Frequently Asked Questions
What is the average temperature in Kitsap County?
How much rain does Kitsap County get?
Does it snow in Kitsap County?
How hot does Kitsap County get in summer?
How cold are winters in Kitsap County?
Track your own weather in Kitsap County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.