Worried about tourists flocking or closing hours of Port Jefferson while planning your trip? The best time to visit Port Jefferson would be a time when you can completely soak in the experience and not worry about such hassles. The weather of Port Jefferson is favorable along with the best of activities during this particular time in Port Jefferson. If you are thinking about when to go to Port Jefferson then, come visit Port Jefferson at it's best time where you can make a memorable experience without having to worry about small issues.