LaGrange County Climate
LaGrange County, Indiana
Avg Annual Temp
49.3°F
Annual Precip
38.5"
Annual Snowfall
—
Extreme Heat Days
10.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About LaGrange County Weather
One of the Nation's Cooler Regions
LaGrange County is one of the coolest in the region, with an annual average temperature of only 49.3°F. This is well below the national median and typical of the Great Lakes fringe.
The Coldest Tier of Indiana
The county is nearly three degrees colder than the Indiana state average of 52.2°F. It consistently ranks as one of the coldest counties in the entire state.
Drier than the Rest of the State
LaGrange is slightly cooler than Steuben and Noble counties to its east and south. It receives 38.5 inches of precipitation, making it one of the drier counties in Indiana.
Cold Winters and Pleasant Summers
Winters are very cold with a December-February average of 26.5°F. Summers stay mild, averaging 70.6°F with only 11 days of extreme heat above 90°F.
Focus on Home Insulation
High-performance home heating and insulation are the most critical investments for the cold 26.5°F winters. Summer wardrobes can remain light, as temperatures rarely exceed 90°F.
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.