Grant County Climate
Grant County, Indiana
Avg Annual Temp
50.4°F
Annual Precip
41.8"
Annual Snowfall
24.5"
Extreme Heat Days
14.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Grant County Weather
Cooler Temperatures and Balanced Precipitation
Grant County averages 50.4°F annually, which is over three degrees cooler than the national median of 53.8°F. The county experiences a typical humid continental climate with four distinct and well-defined seasons.
Below the Indiana Temperature Average
The county's average temperature of 50.4°F sits below the Indiana state average of 52.2°F. Precipitation is also slightly lower than the state mean, with 41.8 inches of annual rainfall compared to 43.9 inches.
Moderate Snowfall Compared to Northern Neighbors
Grant County sees 24.5 inches of snow, which is significantly less than Elkhart’s 41 inches but more than southern neighbors like Franklin. Its 14 extreme heat days are standard for central Indiana counties.
Temperate Summers and Bracing Winters
Summers are manageable with a July average of 73.2°F and two weeks of extreme heat. Winters are chilly, averaging 28.0°F from December to February with two feet of snow distributed throughout the season.
Seasonal Maintenance for a Four-Season Climate
Residents should plan for a balanced climate by prepping snow shovels for the 24.5-inch winter and checking AC units for the 14 days of summer heat. Home gardens benefit from the consistent 41.8 inches of annual precipitation.
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.