San Clemente generally provides a safe environment for solo female travelers. The crime rate is relatively low and the locals are known to be friendly and welcoming. As a solo female traveler, you should feel comfortable exploring this town. However, as with any destination, it's important to always stay vigilant, especially during nighttime and in less crowded areas. Choosing well-lit and popular places for accommodation and dining can further enhance your security. Overall, the area is fairly peaceful with most safety concerns coming from occasional minor thefts.