Historical weather data, all-time temperature records, and monthly climate averages for Dyer, IN. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4 in Dyer typically lands in that classic transitional stretch — expect a high near 55° and a low around 34°. But the date has a wide range: it hit 80° back in 2012 and plunged to 18° in 1982. There's a 43% chance of rain, though snow is nearly off the table at just 1%.
Dyer's weather history runs to genuine extremes — from a brutal -27° in January 1985 to a scorching 103° in August 1988, a 130-degree swing. A single July day in 1996 dumped 6.55 inches of rain, and a February 2011 snowstorm buried the town under 19 inches in one shot.
Summer is the main event here, with mid-July averaging highs of 85° and also delivering the most rain — about 1.29 inches in a typical week. Winters are legitimately cold, with January highs barely cracking 30°. If you're planning a visit, May through September offers the warmest window, with the shoulder months of April and October still requiring a jacket.