If you are looking for the warmest weather in Europe during April 2026, your best bets are the Canary Islands (Spain), Cyprus, and Southern Spain (Andalusia). The Canary Islands, specifically Lanzarote and Fuerteventura, offer "eternal spring" with average highs of 23°C to 25°C (73°F - 77°F) and very little rain. Cyprus is another top contender, particularly the Paphos and Limassol regions, where temperatures frequently hit 23°C (73°F), and the Mediterranean sea starts to lose its winter chill. In mainland Europe, Seville in Spain is often the hottest city, reaching 24°C (75°F), making it perfect for the famous Feria de Abril festivities. Other honorable mentions include Crete (Greece) and Malta, which hover around 20°C (68°F). While places like the French Riviera or Rome are pleasantly mild in April, they are still prone to "spring showers," whereas the southern islands offer much more reliable sunshine. If you want a "beach day" in April, the Canary Islands are the only European territory where the water temperature (around 19°C) is even remotely tolerable for a swim without a wetsuit.