Darke County Climate
Darke County, Ohio
Avg Annual Temp
51.9°F
Annual Precip
40.0"
Annual Snowfall
26.0"
Extreme Heat Days
12.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.