In May 2026, the hottest places in the Mediterranean are typically found in the eastern basin, specifically in Cyprus, the Turkish Riviera, and the island of Crete. Cyprus often takes the top spot, with average daily highs in Paphos and Larnaca reaching 25°C to 28°C (77°F to 82°F), and inland temperatures in Nicosia occasionally soaring above 30°C. The Turkish Riviera, particularly the area around Antalya, is equally warm, offering consistent sunshine and afternoon temperatures around 26°C. These destinations benefit from their proximity to the Middle East and North Africa, catching warm air currents earlier in the season than the Western Mediterranean. In the southern Aegean, Crete experiences a similar "jump-start" to summer, with coastal areas warming up quickly. While places like the French Riviera or the Balearic Islands (Ibiza/Mallorca) are pleasant in May, they tend to be significantly cooler, with averages in the low 20s. For travelers seeking "swimmable" sea temperatures and guaranteed beach weather in May, the far eastern Mediterranean remains the undisputed champion before the intense, scorching heat of July and August arrives across the entire region.