Because of conflicting high and low pressure systems, weather conditions can be unpredictable, so pack accordingly. Summer does bring a higher likelihood of warm, sunny days during a visit. Should you swing by Edinburgh on your trip, it hosts multiple festivals during August.

Quieter than Santorini’s main tourist village, Fira, Oia, with its cliff-clinging whitewashed buildings and summer days that linger around 80 degrees, is an unparalleled vantage point for top-of-the-world sunsets.

Ravello’s location, beauty, and R&R-friendly atmosphere make it an excellent springboard for day trips to Naples, Capri, and Pompeii. Summers on the Amalfi coast are so popular (and packed) that many hotels and restaurants are seasonal.

This island’s fair weather and early-American small-town charm make it a popular summer destination. Definitely plan on making hotel and transportation reservations early.

The largest of these 40-plus islands, El Gran Roque, houses the airport and most of the accommodations, while smaller islands like Rasqui are as close as it gets to a private paradise. Lucky for tourists, temperatures range in the mid-70s and 80s year-round.

The second-largest city in Iceland serves as an excellent base from which to explore the haunting landscapes nearby. Don’t let its location fool you: Akureyri is renowned for mild summer temps that often hover around 60 degrees.

Bali’s dry season lasts from April to September and brings sunnier, less humid conditions than the rest of the year. Given its tropical weather pattern, sudden downpours aren’t uncommon in summer.

This small town offers a slow-paced, idyllic atmosphere with hot days and cool nights during summer. Salzburg has the closest airport.