Monroe County Climate
Monroe County, Ohio
Avg Annual Temp
51.8°F
Annual Precip
45.0"
Annual Snowfall
—
Extreme Heat Days
11.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Monroe County Weather
Temperate and Humid Monroe County
Monroe County averages 51.8°F annually, hovering just above the national median temperature. It experiences the high humidity and variable weather typical of the Appalachian plateau.
Slightly Warmer than State Averages
At 51.8°F, Monroe stays marginally warmer than the Ohio average of 51.5°F. The county's location in the southeast keeps it protected from the harshest northern cold fronts.
A High-Precipitation Zone
Monroe receives a significant 45.0 inches of precipitation annually, far exceeding the state average of 41.2 inches. This makes it one of the wettest counties in the region, demanding robust water management.
Consistent Heat and Wet Winters
The county faces 12 days of extreme heat each summer, with July temperatures averaging 72.7°F. While specific snowfall data is limited, winter temperatures average a chilly 31.8°F from December through February.
Focus on Moisture Protection
The high 45-inch annual precipitation requires homeowners to maintain gutters and basement waterproofing. Residents should also prepare for 12 days of 90°F heat with reliable air conditioning 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.