Warmest seas - May

Ranking of world resorts by average sea temperature. Multi-year data - pick a month to compare.

#	Resort	Country	Average
1	Koh Samui	Thailand	31.8°C
2	Krabi	Thailand	31.8°C
3	Phu Quoc	Vietnam	31.7°C
4	Pattaya	Thailand	31.4°C
5	Phuket	Thailand	31.0°C
6	Male	Maldives	30.2°C
7	Bentota	Sri Lanka	30.1°C
8	Dubaj	United Arab Emirates	30.1°C
9	Abu Zabi	United Arab Emirates	30.0°C
10	Nha Trang	Vietnam	30.0°C
11	Mahe	Seychelles	29.4°C
12	Varadero	Cuba	29.2°C
13	Mirissa	Sri Lanka	29.0°C
14	Natal	Brazil	28.9°C
15	Playa del Carmen	Mexico	28.8°C
16	Diani Beach	Kenya	28.5°C
17	Nungwi	Zanzibar	28.5°C
18	Paje	Zanzibar	28.5°C
19	Mombasa	Kenya	28.4°C
20	Punta Cana	Dominican Republic	28.3°C
21	Havana	Cuba	28.2°C
22	Puerto Plata	Dominican Republic	27.9°C
23	Cancún	Mexico	27.5°C
24	Flic en Flac	Mauritius	27.4°C
25	Marsa Alam	Egypt	25.5°C
26	Sharm el-Sheikh	Egypt	25.3°C
27	Safaga	Egypt	24.7°C
28	Hurghada	Egypt	24.5°C
29	Rio de Janeiro	Brazil	24.3°C
30	Taba	Egypt	24.0°C