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

2 destinations share the top spot at 30 °C in April, listed by beach score, starting with Alor Setar. Ranked from 1991–2020 climate normals across 50 destinations in Asia.

Top three in April: Alor Setar (30 °C) , Rạch Giá (30 °C) , Thoothukudi (30 °C) . Between first and 50th place the sea temp differs by 0.6 °C.

# Destination Country Sea temp Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Alor Setar Malaysia 30 °C 31 °C 25 °C 205 mm 25 312 h 30 °C
2 Rạch Giá Vietnam 30 °C 33 °C 25 °C 94 mm 14 338 h 30 °C
3 Thoothukudi India 30 °C 32 °C 27 °C 55 mm 9 342 h 30 °C
4 Phú Quốc Vietnam 30 °C 29 °C 26 °C 128 mm 19 341 h 30 °C
5 Sungai Petani Malaysia 30 °C 30 °C 24 °C 226 mm 27 301 h 30 °C
6 Kota Kuala Muda Malaysia 30 °C 31 °C 25 °C 217 mm 27 300 h 30 °C
7 Jaffna Sri Lanka 30 °C 31 °C 27 °C 48 mm 8 339 h 30 °C
8 Taiping Malaysia 30 °C 30 °C 24 °C 250 mm 28 297 h 30 °C
9 Bukit Mertajam Malaysia 30 °C 30 °C 24 °C 241 mm 28 297 h 30 °C
10 Samut Prakan Thailand 30 °C 33 °C 27 °C 76 mm 11 334 h 30 °C
11 Chon Buri Thailand 30 °C 34 °C 26 °C 94 mm 14 333 h 30 °C
12 Palopo Indonesia 30 °C 28 °C 23 °C 479 mm 28 274 h 30 °C
13 Paya Terubong Malaysia 30 °C 29 °C 25 °C 228 mm 27 301 h 30 °C
14 Phu Quoc Vietnam 30 °C 30 °C 27 °C 129 mm 19 341 h 30 °C
15 Mawlamyine Myanmar 30 °C 34 °C 25 °C 70 mm 10 336 h 30 °C
16 Si Racha Thailand 30 °C 32 °C 27 °C 90 mm 14 333 h 30 °C
17 Myeik Myanmar 30 °C 32 °C 25 °C 152 mm 19 327 h 30 °C
18 Padang Indonesia 30 °C 29 °C 24 °C 348 mm 25 252 h 30 °C
19 Sitiawan Malaysia 30 °C 29 °C 25 °C 251 mm 28 304 h 30 °C
20 Kapar Malaysia 30 °C 30 °C 25 °C 255 mm 26 303 h 30 °C
21 Shah Alam Malaysia 30 °C 30 °C 24 °C 205 mm 25 306 h 30 °C
22 Pontianak Indonesia 30 °C 30 °C 24 °C 257 mm 28 272 h 30 °C
23 Kampung Baru Subang Malaysia 30 °C 30 °C 24 °C 262 mm 27 303 h 30 °C
24 Kanayannur India 30 °C 31 °C 26 °C 121 mm 19 321 h 30 °C
25 Alappuzha India 30 °C 31 °C 26 °C 162 mm 25 326 h 30 °C
26 Hat Yai Thailand 30 °C 32 °C 25 °C 136 mm 19 325 h 30 °C
27 Thrissur India 30 °C 32 °C 25 °C 139 mm 23 332 h 30 °C
28 Probolinggo Indonesia 30 °C 29 °C 25 °C 149 mm 21 292 h 30 °C
29 Baubau Indonesia 30 °C 29 °C 25 °C 262 mm 26 310 h 30 °C
30 Pasuruan Indonesia 30 °C 29 °C 23 °C 157 mm 20 290 h 30 °C
31 Parepare Indonesia 30 °C 29 °C 25 °C 240 mm 25 296 h 30 °C
32 Gorontalo Indonesia 30 °C 30 °C 24 °C 239 mm 27 303 h 30 °C
33 Langsa Indonesia 30 °C 30 °C 24 °C 152 mm 24 293 h 30 °C
34 Surabaya Indonesia 30 °C 30 °C 25 °C 185 mm 24 302 h 30 °C
35 Kozhikode India 30 °C 32 °C 25 °C 130 mm 18 325 h 30 °C
36 Udupi India 30 °C 33 °C 26 °C 43 mm 7 349 h 30 °C
37 Mangaluru India 30 °C 32 °C 26 °C 49 mm 9 347 h 30 °C
38 Male Maldives 30 °C 29 °C 27 °C 114 mm 17 338 h 30 °C
39 Bengkulu Indonesia 30 °C 29 °C 24 °C 256 mm 25 285 h 30 °C
40 Iskandar Puteri Malaysia 30 °C 29 °C 25 °C 227 mm 27 311 h 30 °C
41 Jurong Town Singapore 30 °C 29 °C 25 °C 251 mm 27 315 h 30 °C
42 Plumbon Indonesia 30 °C 29 °C 24 °C 226 mm 25 296 h 30 °C
43 Cirebon Indonesia 30 °C 29 °C 25 °C 210 mm 25 297 h 30 °C
44 Tegal Indonesia 30 °C 29 °C 25 °C 291 mm 28 299 h 30 °C
45 Lhokseumawe Indonesia 30 °C 29 °C 25 °C 176 mm 25 286 h 30 °C
46 Sepang Malaysia 30 °C 30 °C 25 °C 236 mm 26 308 h 30 °C
47 Muar Malaysia 30 °C 30 °C 25 °C 216 mm 26 302 h 30 °C
48 Perbaungan Indonesia 30 °C 30 °C 24 °C 217 mm 25 292 h 30 °C
49 Tanjungbalai Indonesia 30 °C 30 °C 25 °C 246 mm 28 288 h 30 °C
50 Percut Indonesia 30 °C 30 °C 24 °C 238 mm 27 290 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

March: top 5

  1. Palopo 30 °C
  2. Taiping 30 °C
  3. Bukit Mertajam 30 °C
  4. Padang 30 °C
  5. Sitiawan 30 °C

Full ranking for March

May: top 5

  1. Şabyā 31 °C
  2. Rạch Giá 31 °C
  3. Samut Prakan 31 °C
  4. Phú Quốc 31 °C
  5. Alor Setar 31 °C

Full ranking for May

How this ranking is built

What is ranked
The average sea surface temperature at the coast, in °C, in April, 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.