Historical weather data, all-time temperature records, and monthly climate averages for Avon, IN. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Avon runs mild but unpredictable — expect a high near 60° and a low around 40°, with nearly a coin-flip chance of rain at 45%. The date has swung wildly over 29 years of records, from a scorching 81° in 2023 down to a bitter 29° low back in 2002.
Avon's weather has real teeth on both ends of the thermometer — the all-time high of 103° during the brutal summer of 2012 and a bone-chilling -14° in January 2014 define the extremes here. And when it rains hard, it really rains: a single day in July 2015 dropped nearly 10 inches on the area.
Summer is the main event in Avon, with highs peaking around 85-86° in mid-July and the wettest stretch of the year hitting in mid-June. If you're trying to avoid both heat and cold, aim for May or September, when highs land comfortably in the mid-70s to upper 70s. January is the clear nadir, with average highs barely scraping 36°.