Fulton County Climate
Fulton County, Ohio
Avg Annual Temp
49.2°F
Annual Precip
35.0"
Annual Snowfall
26.8"
Extreme Heat Days
12.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Fulton County Weather
A chilly northern boundary climate
Fulton County records an annual average temperature of 49.2°F, making it one of the cooler counties in the nation. It experiences long winters and shorter, mild summers.
One of the coldest in Ohio
The county's 49.2°F average is well below the Ohio state average of 51.5°F. It consistently ranks as one of the coldest regions in the state throughout the year.
Colder and drier than neighbors
Fulton is colder than neighboring Defiance County, which averages 50.2°F. It receives 35.0 inches of precipitation annually, which is roughly six inches less than the state average.
Deep winters and mild summers
Winters are cold with an average temperature of 26.9°F and 26.8 inches of annual snowfall. Summers are the coolest in this group, with a July average of only 72.3°F and 13 heat days.
Prioritize home heating and insulation
Residents face a January average of just 24.3°F, requiring robust heating systems. While snowfall is moderate at 26.8 inches, the persistent cold makes winter weatherization essential.
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.