1. San Diego, CA If you’re on the west coast, San Diego is a great city to visit for July 4th. The weather is perfect (aka not humid, warm and sunny), which is great since there are so many fun outdoor activities to enjoy with your family. Check our Sea World, visit the San Diego Zoo and Safari Park, enjoy the beach and more. Plus you can find special offers for family during the summertime so you can take advantage of all the city has to offer, without blowing your budget.