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Warmest sea temperatures in Asia in May: ranked by sea temperature

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

Top three in May: Şabyā (31 °C) , Rạch Giá (31 °C) , Samut Prakan (31 °C) . Between first and 50th place the sea temp differs by 1.2 °C.

# Destination Country Sea temp Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Şabyā Saudi Arabia 31 °C 36 °C 28 °C 9 mm 3 367 h 31 °C
2 Rạch Giá Vietnam 31 °C 31 °C 26 °C 208 mm 26 307 h 31 °C
3 Samut Prakan Thailand 31 °C 33 °C 27 °C 129 mm 19 325 h 31 °C
4 Phú Quốc Vietnam 31 °C 28 °C 26 °C 310 mm 27 311 h 31 °C
5 Alor Setar Malaysia 31 °C 31 °C 25 °C 256 mm 26 310 h 31 °C
6 Si Racha Thailand 31 °C 31 °C 27 °C 143 mm 21 321 h 31 °C
7 Chon Buri Thailand 31 °C 32 °C 26 °C 143 mm 21 321 h 31 °C
8 Phu Quoc Vietnam 31 °C 29 °C 27 °C 333 mm 27 311 h 31 °C
9 Sungai Petani Malaysia 31 °C 30 °C 25 °C 238 mm 27 301 h 31 °C
10 Kota Kuala Muda Malaysia 31 °C 30 °C 25 °C 231 mm 26 300 h 31 °C
11 Hat Yai Thailand 31 °C 31 °C 25 °C 164 mm 23 330 h 31 °C
12 Paya Terubong Malaysia 30 °C 29 °C 25 °C 238 mm 26 301 h 30 °C
13 George Town Malaysia 30 °C 30 °C 26 °C 237 mm 26 301 h 30 °C
14 Taiping Malaysia 30 °C 30 °C 24 °C 228 mm 26 299 h 30 °C
15 Kota Bharu Malaysia 30 °C 31 °C 25 °C 188 mm 26 339 h 30 °C
16 Pasir Mas Malaysia 30 °C 32 °C 24 °C 196 mm 26 336 h 30 °C
17 Iskandar Puteri Malaysia 30 °C 29 °C 26 °C 204 mm 27 316 h 30 °C
18 Jurong Town Singapore 30 °C 29 °C 26 °C 226 mm 28 319 h 30 °C
19 Malacca Malaysia 30 °C 29 °C 25 °C 221 mm 27 309 h 30 °C
20 Muar Malaysia 30 °C 29 °C 25 °C 201 mm 27 304 h 30 °C
21 Sepang Malaysia 30 °C 30 °C 25 °C 206 mm 26 310 h 30 °C
22 Batu Pahat Malaysia 30 °C 30 °C 25 °C 233 mm 28 305 h 30 °C
23 Kapar Malaysia 30 °C 30 °C 25 °C 199 mm 23 307 h 30 °C
24 Shah Alam Malaysia 30 °C 30 °C 24 °C 179 mm 23 310 h 30 °C
25 Kampung Baru Subang Malaysia 30 °C 30 °C 24 °C 202 mm 23 306 h 30 °C
26 Bandar Seri Begawan Brunei 30 °C 30 °C 25 °C 191 mm 23 313 h 30 °C
27 Al Ḩudaydah Yemen 30 °C 36 °C 29 °C 4 mm 1 365 h 30 °C
28 Singkawang Indonesia 30 °C 30 °C 25 °C 223 mm 25 288 h 30 °C
29 Sitiawan Malaysia 30 °C 30 °C 25 °C 220 mm 26 306 h 30 °C
30 Lhokseumawe Indonesia 30 °C 30 °C 25 °C 189 mm 24 298 h 30 °C
31 Pontianak Indonesia 30 °C 30 °C 24 °C 233 mm 25 285 h 30 °C
32 Langsa Indonesia 30 °C 30 °C 24 °C 176 mm 24 303 h 30 °C
33 Bạc Liêu Vietnam 30 °C 31 °C 26 °C 210 mm 25 322 h 30 °C
34 Aden Yemen 30 °C 33 °C 27 °C 7 mm 1 363 h 30 °C
35 Tanjung Pinang Indonesia 30 °C 29 °C 26 °C 197 mm 27 324 h 30 °C
36 Padang Indonesia 30 °C 29 °C 24 °C 302 mm 21 287 h 30 °C
37 Pangkalpinang Indonesia 30 °C 29 °C 25 °C 228 mm 27 314 h 30 °C
38 Tanjungbalai Indonesia 30 °C 30 °C 25 °C 248 mm 27 296 h 30 °C
39 Myeik Myanmar 30 °C 30 °C 25 °C 431 mm 29 270 h 30 °C
40 Perbaungan Indonesia 30 °C 30 °C 24 °C 202 mm 24 300 h 30 °C
41 Percut Indonesia 30 °C 30 °C 24 °C 259 mm 27 298 h 30 °C
42 Vĩnh Châu Vietnam 30 °C 31 °C 26 °C 205 mm 26 320 h 30 °C
43 Kuala Terengganu Malaysia 30 °C 31 °C 25 °C 225 mm 26 334 h 30 °C
44 Mawlamyine Myanmar 30 °C 31 °C 25 °C 380 mm 27 250 h 30 °C
45 Bintulu Malaysia 30 °C 31 °C 24 °C 259 mm 26 290 h 30 °C
46 Ongole India 30 °C 38 °C 29 °C 35 mm 3 366 h 30 °C
47 Muscat Oman 30 °C 37 °C 28 °C 1 mm 0 373 h 30 °C
48 Kota Kinabalu Malaysia 30 °C 29 °C 25 °C 237 mm 25 321 h 30 °C
49 Machilīpatnam India 30 °C 37 °C 29 °C 34 mm 4 365 h 30 °C
50 Miri Malaysia 30 °C 30 °C 25 °C 205 mm 24 311 h 30 °C

Monthly values for the month named in the ranking; only destinations with a published climate page are ranked. Download this ranking as CSV.

The same ranking one month earlier and later

April: top 5

  1. Alor Setar 30 °C
  2. Rạch Giá 30 °C
  3. Thoothukudi 30 °C
  4. Phú Quốc 30 °C
  5. Sungai Petani 30 °C

Full ranking for April

June: top 5

  1. Şabyā 32 °C
  2. Muscat 32 °C
  3. Abu Dhabi 32 °C
  4. Sharjah 31 °C
  5. Dubai 31 °C

Full ranking for June

How this ranking is built

What is ranked
The average sea surface temperature at the coast, in °C, in May, highest first.
Period
1991–2020 climate normals: the same 30 years for every destination, so the list compares like with like.
Who is included
50 destinations in Asia with a published climate page. Neighbouring places that share a climate series are shown once.
Ties
Equal values are ordered by beach score.
Sources
ERA5 / ERA5-Land reanalysis via Open-Meteo; sea temperature from NOAA OISST v2.1. Measured values are reproduced unchanged; only the ordering is ours.

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.