Lexington averages 23.7 days a year above 90°F, with May the wettest month at 5.44 in of normal rain. The hottest day on record was 105°F on Jul 7, 2012; the coldest, −20°F on Jan 19, 1994. The single biggest 24-hour rain event recorded was 5.56 in on Mar 1, 1997.
Climate and Average Weather Year Round in Lexington
Year-round temperature
In Lexington, the warmest months are June through September, with average daily highs between 80°F and 87°F. The coldest stretch runs December through February, with highs between 42°F and 47°F and overnight lows reaching 25°F.
Rainfall through the year
Rainfall in Lexington averages 4.2 in per month over the long run. May is the wettest at 5.4 in, while November is the driest at 3.4 in.
Days at 90 °F or hotter
Lexington averages 23.7 days per year at 90 °F or hotter. The hottest year on record saw 60 such days (2019); the coolest just 1 (2026).
Precipitation this year
As of May 28, Lexington has received 13.6 in of precipitation this year — 35% below the long-term normal for this point in the year (20.9 in).