December in Indiana typically brings the onset of winter conditions. Expect cold temperatures, ranging from average lows in the 20s (F) to average highs in the 30s (F), though variations occur across the state. Precipitation shifts from rain to a mix of rain, freezing rain, sleet, and snow. The frequency and accumulation of snow vary considerably, with some years experiencing heavy snowfall and others remaining relatively snow-free.
Understanding typical December conditions is crucial for residents and visitors. Preparing for potential winter hazards, such as icy roads and power outages, ensures safety and minimizes disruptions. Farmers and businesses reliant on transportation networks also benefit from accurate weather predictions. Historically, December weather has played a significant role in shaping Indiana’s agricultural practices and infrastructure development.