Simplify the following text for a Grade 4 native English-speaking person.
Original: According to NOAA , the all-time highest temperature recorded in Kansas is 121 Â F ( 49.4 Â C ) on July 24 , 1936 , near Alton , and the all-time low is â ' 40 Â F ( â ' 40 Â C ) on February 13 , 1905 , near Lebanon .
Simplified: Kansas has a varied climate with an average yearly temperature of 56 Â F ( 13 Â C ) . The record high in Kansas is 121 Â F ( 49.4 Â C ) .