Kansas City averages 47.5 days a year above 90°F, with June the wettest month at 5.33 in of normal rain. The hottest day on record was 110°F on Aug 29, 1984; the coldest, −19°F on Dec 22, 1989. The single biggest 24-hour rain event recorded was 6.45 in on Jul 26, 1998.
Climate and Average Weather Year Round in Kansas City
Year-round temperature
In Kansas City, the warmest months are June through September, with average daily highs between 80°F and 90°F. The coldest stretch runs December through February, with highs between 40°F and 45°F and overnight lows reaching 22°F.
Rainfall through the year
Rainfall in Kansas City averages 3.2 in per month over the long run. June is the wettest at 5.3 in, while January is the driest at 1.0 in.
Days at 90 °F or hotter
Kansas City averages 47.5 days per year at 90 °F or hotter. The hottest year on record saw 77 such days (2018); the coolest just 3 (2026).
Precipitation this year
As of May 28, Kansas City has received 16.5 in of precipitation this year — 26% above the long-term normal for this point in the year (13.1 in).