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Warmest sea temperatures in the world in May

Şabyā tops the list at 31 °C in May. Ranked from 1991–2020 climate normals across 50 destinations.

# Destination Country Sea temp Avg high Rainfall
1 Şabyā Saudi Arabia 31 °C 36 °C 9 mm
2 Djibouti Djibouti 31 °C 34 °C 16 mm
3 Rạch Giá Vietnam 31 °C 31 °C 208 mm
4 Samut Prakan Thailand 31 °C 33 °C 129 mm
5 Phú Quốc Vietnam 31 °C 28 °C 310 mm
6 Alor Setar Malaysia 31 °C 31 °C 256 mm
7 Si Racha Thailand 31 °C 31 °C 143 mm
8 Chon Buri Thailand 31 °C 32 °C 143 mm
9 Phu Quoc Vietnam 31 °C 29 °C 333 mm
10 Sungai Petani Malaysia 31 °C 30 °C 238 mm
11 Kota Kuala Muda Malaysia 31 °C 30 °C 231 mm
12 Hat Yai Thailand 31 °C 31 °C 164 mm
13 Berbera Somalia 30 °C 34 °C 11 mm
14 Paya Terubong Malaysia 30 °C 29 °C 238 mm
15 George Town Malaysia 30 °C 30 °C 237 mm
16 Taiping Malaysia 30 °C 30 °C 228 mm
17 Kota Bharu Malaysia 30 °C 31 °C 188 mm
18 Pasir Mas Malaysia 30 °C 32 °C 196 mm
19 Iskandar Puteri Malaysia 30 °C 29 °C 204 mm
20 Jurong Town Singapore 30 °C 29 °C 226 mm
21 Malacca Malaysia 30 °C 29 °C 221 mm
22 Muar Malaysia 30 °C 29 °C 201 mm
23 Sepang Malaysia 30 °C 30 °C 206 mm
24 Batu Pahat Malaysia 30 °C 30 °C 233 mm
25 Kapar Malaysia 30 °C 30 °C 199 mm
26 Shah Alam Malaysia 30 °C 30 °C 179 mm
27 Kampung Baru Subang Malaysia 30 °C 30 °C 202 mm
28 Bandar Seri Begawan Brunei 30 °C 30 °C 191 mm
29 Al Ḩudaydah Yemen 30 °C 36 °C 4 mm
30 Singkawang Indonesia 30 °C 30 °C 223 mm
31 Sitiawan Malaysia 30 °C 30 °C 220 mm
32 Lhokseumawe Indonesia 30 °C 30 °C 189 mm
33 Pontianak Indonesia 30 °C 30 °C 233 mm
34 Langsa Indonesia 30 °C 30 °C 176 mm
35 Bạc Liêu Vietnam 30 °C 31 °C 210 mm
36 Aden Yemen 30 °C 33 °C 7 mm
37 Tanjung Pinang Indonesia 30 °C 29 °C 197 mm
38 Padang Indonesia 30 °C 29 °C 302 mm
39 Pangkalpinang Indonesia 30 °C 29 °C 228 mm
40 Tanjungbalai Indonesia 30 °C 30 °C 248 mm
41 Myeik Myanmar 30 °C 30 °C 431 mm
42 Perbaungan Indonesia 30 °C 30 °C 202 mm
43 Percut Indonesia 30 °C 30 °C 259 mm
44 Vĩnh Châu Vietnam 30 °C 31 °C 205 mm
45 Kuala Terengganu Malaysia 30 °C 31 °C 225 mm
46 Mawlamyine Myanmar 30 °C 31 °C 380 mm
47 Bintulu Malaysia 30 °C 31 °C 259 mm
48 Ongole India 30 °C 38 °C 35 mm
49 Muscat Oman 30 °C 37 °C 1 mm
50 Kota Kinabalu Malaysia 30 °C 29 °C 237 mm

Only destinations with a published page for that month are ranked. The ranking is ours; the underlying values are reproduced from the source.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: ranking order, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.