Darke County Climate
Darke County, Ohio
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
51.9°F
Annual Precip
40.0"
Annual Snowfall
26.0"
Extreme Heat Days
12
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,360
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Darke County
Climate Verdict
Darke County has a mild, with an average annual temperature of 51.9°F, moderate rainfall of 40.0 inches per year, rare extreme heat with only 12.4 days above 90°F annually, moderate snowfall of 26.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 27.0°F. summers are warm — July averages 74.1°F. The 47°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Darke County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Darke County closely matches the Ohio statewide average temperature of 51.5°F.
Climate Profile
About Darke County Weather
Standard temperate continental patterns
Darke County averages 51.9°F annually, aligning closely with the mid-range of the national climate distribution. This inland region experiences the full breadth of four distinct seasons.
Mirroring the state temperature average
At 51.9°F, the county sits just slightly above the Ohio state average of 51.5°F. It represents a typical temperature profile for the western part of the state.
Consistent with western Ohio neighbors
Darke County's 40.0 inches of precipitation is nearly identical to the state average of 41.2 inches. Its climate is slightly cooler than southern neighbors like Fayette County, which averages 51.8°F but sees less snow.
Moderate snow and steady heat
The region receives 26.0 inches of snow annually, with winter temperatures averaging 29.8°F. Summers bring 12 extreme heat days over 90°F, concentrated mostly in the peak of July.
Equip for standard Midwestern winters
Reliable insulation is key for the 27.0°F January lows, while 26 inches of snow requires basic clearing equipment. Residents should plan for 12 days of high heat with efficient cooling systems.
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.