The average summer high temperature in palm springs from june through september is more than 100 degrees fahrenheit. at these high temperatures, few people are comfortable and people older than 65 are at higher risk of heat stroke. yet among retirees over age 65, palm springs is one of the most popular areas to move to and retire. in the 1960s, few people lived in palm springs year-round. today, tens of thousands of people live year-round in houses built by real estate developers to attract people to the area