Monthly Climate
Menu

Warmest sea temperatures in Asia year-round: ranked by sea temperature

Şabyā tops the list at 30 °C averaged across the year. Ranked from 1991–2020 climate normals across 50 destinations in Asia.

Top three averaged across all twelve months: Şabyā (30 °C) , Taiping (30 °C) , Bukit Mertajam (30 °C) . Between first and 50th place the sea temp differs by 0.8 °C.

# Destination Country Sea temp Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Şabyā Saudi Arabia 30 °C 33 °C 26 °C 18 mm 3 335 h 30 °C
2 Taiping Malaysia 30 °C 30 °C 24 °C 224 mm 25 288 h 30 °C
3 Bukit Mertajam Malaysia 30 °C 30 °C 24 °C 216 mm 23 285 h 30 °C
4 Paya Terubong Malaysia 30 °C 29 °C 24 °C 206 mm 23 288 h 30 °C
5 Sitiawan Malaysia 30 °C 29 °C 25 °C 230 mm 25 295 h 30 °C
6 Sungai Petani Malaysia 30 °C 30 °C 24 °C 200 mm 22 288 h 30 °C
7 Kota Kuala Muda Malaysia 30 °C 30 °C 24 °C 202 mm 23 288 h 30 °C
8 Alor Setar Malaysia 30 °C 31 °C 24 °C 186 mm 21 297 h 30 °C
9 Kapar Malaysia 30 °C 29 °C 24 °C 215 mm 22 295 h 30 °C
10 Shah Alam Malaysia 30 °C 30 °C 23 °C 189 mm 22 299 h 30 °C
11 Kampung Baru Subang Malaysia 30 °C 30 °C 23 °C 220 mm 22 294 h 30 °C
12 Palopo Indonesia 30 °C 28 °C 23 °C 283 mm 23 300 h 30 °C
13 Tanjungbalai Indonesia 30 °C 29 °C 24 °C 259 mm 26 287 h 30 °C
14 Percut Indonesia 30 °C 29 °C 23 °C 268 mm 26 286 h 30 °C
15 Sepang Malaysia 30 °C 29 °C 24 °C 209 mm 24 299 h 30 °C
16 Langsa Indonesia 30 °C 29 °C 24 °C 176 mm 23 289 h 30 °C
17 Padang Indonesia 29 °C 29 °C 23 °C 335 mm 23 267 h 29 °C
18 Perbaungan Indonesia 29 °C 29 °C 24 °C 219 mm 24 289 h 29 °C
19 Bandar Seri Begawan Brunei 29 °C 30 °C 24 °C 197 mm 23 297 h 29 °C
20 Malacca Malaysia 29 °C 29 °C 25 °C 190 mm 23 298 h 29 °C
21 Sorong Indonesia 29 °C 29 °C 24 °C 298 mm 26 277 h 29 °C
22 Muar Malaysia 29 °C 29 °C 25 °C 183 mm 23 292 h 29 °C
23 Bintulu Malaysia 29 °C 30 °C 24 °C 280 mm 26 275 h 29 °C
24 Lhokseumawe Indonesia 29 °C 29 °C 24 °C 188 mm 23 285 h 29 °C
25 Pontianak Indonesia 29 °C 30 °C 24 °C 240 mm 23 273 h 29 °C
26 Batu Pahat Malaysia 29 °C 29 °C 24 °C 203 mm 24 293 h 29 °C
27 Gorontalo Indonesia 29 °C 30 °C 24 °C 177 mm 22 314 h 29 °C
28 Sandakan Malaysia 29 °C 29 °C 24 °C 247 mm 26 311 h 29 °C
29 Hat Yai Thailand 29 °C 30 °C 24 °C 165 mm 20 305 h 29 °C
30 Iskandar Puteri Malaysia 29 °C 29 °C 25 °C 192 mm 23 300 h 29 °C
31 Singkawang Indonesia 29 °C 29 °C 24 °C 242 mm 23 267 h 29 °C
32 Cotabato Philippines 29 °C 30 °C 24 °C 220 mm 24 303 h 29 °C
33 Parepare Indonesia 29 °C 30 °C 24 °C 171 mm 18 312 h 29 °C
34 Pemalang Indonesia 29 °C 30 °C 24 °C 257 mm 22 303 h 29 °C
35 Jurong Town Singapore 29 °C 29 °C 25 °C 216 mm 24 301 h 29 °C
36 Tegal Indonesia 29 °C 30 °C 24 °C 245 mm 21 305 h 29 °C
37 Pekalongan Indonesia 29 °C 29 °C 24 °C 279 mm 22 300 h 29 °C
38 Tarakan Indonesia 29 °C 28 °C 25 °C 255 mm 28 307 h 29 °C
39 Tawau Malaysia 29 °C 29 °C 24 °C 189 mm 26 314 h 29 °C
40 Si Racha Thailand 29 °C 30 °C 25 °C 101 mm 15 305 h 29 °C
41 Ungaran Indonesia 29 °C 29 °C 22 °C 241 mm 20 295 h 29 °C
42 Semarang Indonesia 29 °C 30 °C 24 °C 194 mm 18 304 h 29 °C
43 Chon Buri Thailand 29 °C 32 °C 24 °C 101 mm 14 305 h 29 °C
44 Banda Aceh Indonesia 29 °C 29 °C 24 °C 185 mm 19 289 h 29 °C
45 Probolinggo Indonesia 29 °C 29 °C 25 °C 121 mm 15 306 h 29 °C
46 Surabaya Indonesia 29 °C 31 °C 25 °C 141 mm 17 315 h 29 °C
47 Samut Prakan Thailand 29 °C 31 °C 25 °C 94 mm 13 305 h 29 °C
48 Kota Bharu Malaysia 29 °C 30 °C 24 °C 224 mm 23 308 h 29 °C
49 Pasir Mas Malaysia 29 °C 30 °C 23 °C 230 mm 23 306 h 29 °C
50 Jayapura Indonesia 29 °C 29 °C 24 °C 251 mm 26 288 h 29 °C

Averaged across all twelve months, and only for destinations with a full twelve-month series and a published climate page. Download this ranking as CSV.

Month by month

The same ranking for each month of the year:

How this ranking is built

What is ranked
The average sea surface temperature at the coast, in °C, averaged across all twelve months, 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 and a complete twelve-month series. 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.