Marshall County Climate
Marshall County, Indiana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.0°F
Annual Precip
40.3"
Annual Snowfall
54.9"
Extreme Heat Days
15
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,099
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Marshall County
Climate Verdict
Marshall County has a mild, with an average annual temperature of 50.0°F, moderately wet with 40.3 inches of annual precipitation, rare extreme heat with only 14.8 days above 90°F annually, moderate snowfall of 54.9 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 24.1°F. summers are warm — July averages 73.2°F. The 49°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Marshall County closely matches the Indiana statewide average temperature of 52.4°F, it is somewhat drier than average for Indiana.
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 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.