Where is hot in April

Beaches where the sea is at least 18 °C in April – 95 destinations from 2021–2025 climatology, ranked warmest first. Pick with your eyes: every tile opens today's sea temperature and the 10-day forecast.

Warmest sea in April: Railay Beach (30.7 °C), Ko Phi Phi Don (30.5 °C), Coral Cove Beach (30.4 °C).

Bathtub 28°C82°F26

Beach day 23°73°28°C82°F54

Refreshing 18°64°23°C73°F15