Gibson County Climate
Gibson County, Indiana
Avg Annual Temp
55.0°F
Annual Precip
49.8"
Annual Snowfall
12.2"
Extreme Heat Days
37.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Gibson County Weather
Warmer and Wetter than the National Median
Gibson County averages 55.0°F annually, making it warmer than the national median of 53.8°F. This southern Indiana county also receives a high 49.8 inches of rain, making it much more humid than many U.S. regions.
One of the Warmest Counties in Indiana
Gibson County is significantly warmer than the state average, recording 55.0°F against Indiana's 52.2°F. It also exceeds the state average for precipitation by nearly six inches per year.
The Peak of Southern Indiana Heat
Gibson records 38 days of extreme heat annually, the highest in this group and nearly triple the heat seen in Elkhart. It also sees the least snow in the region, with only 12.2 inches compared to northern neighbors.
Sultry Summers and Mild Mid-Western Winters
The July average reaches a high 77.0°F, driven by over five weeks of temperatures at or above 90°F. Winters are the mildest in the area, with a January average of 30.4°F and very little snow accumulation.
Prioritize Cooling and Storm Water Drainage
Homeowners must plan for intense 38-day heatwaves by maintaining powerful air conditioning systems. The 49.8 inches of annual rain also requires excellent yard drainage and sump pump reliability.
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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.