For the best experience in 2026, a morning visit to Pompeii is strongly recommended, specifically arriving at the gate for the 9:00 AM opening. Pompeii is an incredibly exposed archaeological site with very little shade; by mid-afternoon, the Italian sun can make the stone streets feel like an oven. Visiting early allows you to explore the most famous villas, such as the House of the Vettii, before the massive tour groups from cruise ships arrive around 11:00 AM. If you prefer the afternoon, aim for after 3:30 PM. By this time, the "day-trippers" are heading back to their buses, and the "Golden Hour" light provides spectacular photography opportunities against the backdrop of Mount Vesuvius. In 2026, Pompeii also limits the number of daily visitors via a digital reservation system, so regardless of the time, you must book your entry slot in advance. If you choose the afternoon, be mindful that the site usually begins "sweeping" guests toward the exits 30 to 60 minutes before the official closing time.