Vigo County Climate
Vigo County, Indiana
Avg Annual Temp
54.3°F
Annual Precip
43.2"
Annual Snowfall
—
Extreme Heat Days
31.866666666666664
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Vigo County Weather
Warmer-Leaning Mid-Continental Weather
Vigo County is warmer than the national median, averaging 54.3°F annually. This puts it on the warmer side of the Midwest's humid continental climate zone.
Above Average Temperatures for Indiana
The county exceeds the Indiana state average temperature of 52.2°F. Its precipitation level of 43.2 inches sits just below the state average of 43.9 inches.
Warmer and Hotter than Vermillion
Vigo is noticeably warmer and more prone to heat than Vermillion County to its north. It averages 32 days of extreme heat, while its northern neighbors see much fewer.
Hot Summers with Mild Winters
Summers can be intense, with 32 days topping 90°F and a July average of 76.4°F. Winters are relatively mild for the region, with December through February temperatures averaging 32.1°F.
Invest in Reliable Air Conditioning
Residents should prepare for over a month of extreme heat by ensuring air conditioning systems are efficient. Since winters stay near the freezing mark at 32.1°F, winterizing pipes remains a critical task.
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.