Spencer County Climate
Spencer County, Indiana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.0°F
Annual Precip
49.6"
Annual Snowfall
8.3"
Extreme Heat Days
23
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,243
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Spencer County
Climate Verdict
Spencer County has a mild, with an average annual temperature of 57.0°F, moderately wet with 49.6 inches of annual precipitation, occasional hot days — 23.1 per year above 90°F, light snow averaging 8.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 34.3°F. summers are warm — July averages 76.6°F. The 42°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Spencer County is 4.6°F warmer than the Indiana statewide average of 52.4°F, it is also noticeably wetter, receiving 5.4 inches more precipitation than the state average.
Climate Profile
About Spencer County Weather
Spencer County Leads in Warmth
With an annual average of 57.0°F, Spencer County is significantly warmer than the national median. It borders on a humid subtropical feel during the height of summer.
One of Indiana's Warmest Counties
The county sits nearly five degrees above the state average of 52.2°F. It ranks among the hottest regions in Indiana, driven by its far southern location.
Warmer Than Most Indiana Neighbors
Spencer County is the warmest in this group, edging out Switzerland County by 0.4 degrees. It is nearly nine degrees warmer annually than the state's northernmost counties.
Light Snow and Significant Rain
Winters are mild with only 8.3 inches of snow, but the county receives a high 49.6 inches of annual precipitation. Summer features 23 days of extreme heat above 90°F.
Manage High Rain and Humidity
Focus on gutter maintenance and drainage to handle the nearly 50 inches of annual rain. You can trade heavy snow gear for light winter layers given the minimal 8-inch snowfall.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.