The availability of Planet Fitness Summer memberships at all locations can vary depending on several factors, such as regional policies and individual franchise rules. Generally, summer memberships are designed for individuals who only wish to use the gym during certain months when they have more free time (e.g., during school breaks). However, it's important to note that not all locations might participate in summer membership programs or offer them every year. To determine if this option is available at a particular Planet Fitness location, it's best to contact them directly or visit their website for up-to-date information on their memberships and any season-specific offerings they may have.