Vermillion County Climate
Vermillion County, Indiana
Avg Annual Temp
52.2°F
Annual Precip
41.3"
Annual Snowfall
17.3"
Extreme Heat Days
23.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Vermillion County Weather
Average Temperatures for the Region
Vermillion County matches the Indiana state average with an annual temperature of 52.2°F. This makes it a representative example of the nation's humid continental climate.
Typical Indiana Temperature and Rain
Its 52.2°F average sits right at the state mark, though its 41.3 inches of rain is slightly lower than the Indiana average. This creates a balanced, though slightly drier, environment.
Cooler Summers than Southern Neighbors
It is cooler than neighboring Vigo County, experiencing eight fewer days of extreme heat per year. It also records 17.3 inches of snow, providing a more traditional winter than the state's southern tip.
Distinct Seasons with Cold Januaries
The seasons are distinct, featuring 24 days of 90°F heat and 17.3 inches of winter snow. January is cold at 26.4°F, while July heats up to a comfortable 74.2°F average.
Manage Heat and Moderate Snowfall
Planning for 24 days of extreme heat requires a reliable cooling system. Residents should also keep winter gear ready for the 17.3 inches of snow that usually falls between December and February.
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.