The positive atmosphere and the great quality of everything here have lots of people coming here. With so many things to do in Kansas you'll never get bored. When was the last occasion you went for a weekend of camping? Rock Creek - Perry Lake in Kansas is a great choice. Through the warmest time of the year highs here at Rock Creek - Perry Lake get into the 90's. Summer overnight lows descend down to the 60's. Through the winter the highs are usually in the 40's, and after the sun is down through the winter temperatures at Rock Creek - Perry Lake plunge into the 10's. Rock Creek - Perry Lake gets a typical amount of yearly precipitation. The month of May is the wettest with most of the rain, and the driest of the months is January.