Jennings County Climate
Jennings County, Indiana
Avg Annual Temp
54.8°F
Annual Precip
49.3"
Annual Snowfall
17.2"
Extreme Heat Days
18.9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Jennings County Weather
Matching the National Median Climate
Jennings County averages 54.8°F annually, placing it right in line with the national median temperature. The climate is humid and temperate, providing a balance between North and South.
Warmer than the Statewide Average
This average is over two degrees warmer than the Indiana state average of 52.2°F. It sits firmly in the warmer southern half of the state's climate rankings.
High Rainfall in the Muscatatuck Region
The county receives 49.3 inches of annual rain, making it wetter than neighbors like Bartholomew. It shares the humid, lush characteristics of the surrounding region.
Humid Summers and Light Snowfall
Summer temperatures average 73.8°F and produce 19 days of heat above 90°F. Winter is relatively mild compared to the north, averaging 34.3°F with 17.2 inches of snow.
Manage High Moisture and Humidity
Effective gutter systems and yard drainage are vital to manage the high 49.3-inch annual precipitation. HVAC systems should be rated for both high humidity and moderate summer heat spikes.
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.