Marshall County Climate
Marshall County, Indiana
Avg Annual Temp
50.0°F
Annual Precip
40.3"
Annual Snowfall
54.9"
Extreme Heat Days
14.8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Marshall County Weather
Cool and Very Snowy Region
Marshall County averages 50.0°F annually, which is cooler than the national median. It is distinguished by high annual snowfall compared to many US counties.
Cooler than the Indiana Average
The county's 50.0°F average sits below the state average of 52.2°F. It is one of the more temperate northern counties in the state.
The Snow Leader of the Region
Marshall County sees 54.9 inches of snow, far surpassing neighbors like Lake or Madison. Its 40.3 inches of rain is slightly lower than the state average.
Intense Winter Snowfall Totals
Winter is the dominant season with 54.9 inches of snow and a 26.9°F average. Summer is mild with a July average of 73.2°F and 15 days of extreme heat.
Winterize for Heavy Snow Loads
Roof maintenance is important to handle the nearly 55 inches of annual snow. High-quality winter tires and insulation are essential for the 24.1°F January lows.
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.