Historical weather data, all-time temperature records, and monthly climate averages for Shelbyville, IN. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Shelbyville typically brings mild spring conditions, with average highs around 61° and lows near 38°. The date has seen some wild swings over 127 years of records — from a balmy 84° in 2012 to a bitter 20° low back in 1975. There's about a 1-in-3 chance of rain today, though snow is essentially off the table.
Shelbyville's weather has real range — 133 degrees separating its all-time extremes. The thermometer hit a scorching 108° on July 14, 1936, and bottomed out at -25° on January 19, 1994. On the wet side, a single day in June 2021 dropped 5.35 inches of rain, and a late December storm in 2012 buried the area under 9.7 inches of snow.
Summers in Shelbyville are legitimately hot, with average highs peaking at 87° in mid-July before tapering into a pleasant fall. Winters are cold but not brutal — January highs average just 37°, making the gap between seasons about 50 degrees. If you're watching for rain, late spring is your window: the wettest stretch of the year runs through early-to-mid May.