Historical weather data, all-time temperature records, and monthly climate averages for Frankfort, KY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Frankfort typically lands in that unpredictable stretch of spring, with highs averaging 64° and lows dipping to 41°. The range of outcomes over 29 years is telling — it's reached 80° as recently as 2023 but bottomed out at 29° back in 2018. Rain is a real possibility at 41%, though snow is essentially off the table.
Frankfort's climate has some sharp edges — 103° in July 2012 on one end, and a brutal -21° in February 2015 on the other, a 124-degree swing between the extremes. That soggy April 2015 also brought the wettest single day on record, dumping 5.26 inches — notably just one day before the all-time wettest week of the year typically begins.
Frankfort follows a classic Kentucky four-season pattern: summers peak in early July with average highs of 87°, while mid-January bottoms out around 39°. Late spring is the wet season — the week of April 30–May 6 averages the most precipitation at 1.47 inches. If you're planning a visit, June through August is warm and humid, while October offers mild 69° highs with far less rain.