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Warmest sea in Asia in May

3,667 coastal locations in Asia ranked by their typical May sea temperature. Region-wide average in May: 24.5°C. The top of the list is where to find the warmest swimming this month.

Warmest in May

Mae Klong

31.2°C May mean in Thailand

Regional May average

24.5°C

across all 3,667 coastal locations in Asia

Vs annual mean

+0.4°C

above the year-round regional average

What the Asia sea feels like in May

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

Asia monthly average 20.7°C to 27.2°C
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  • Warmest month August 27.2°C
  • Coldest month February 20.7°C
  • Annual mean 24.0°C
  • Months above 20°C 12 of 12

Where May fits in the year

May sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Asia month rankings:

Asia sea temperature map (live)

The map shows today's latest reading at every Asia location. The list below is based on the typical May mean, useful for trip planning weeks or months ahead.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Asia locations in May

Sorted by the typical May mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location May mean
1 Mae Klong Chang Wat Samut Songkhram 31.2°C
2 Ha Tien tỉnh Kiên Giang 31.1°C
3 Bangkok Bar Central Thailand 31.1°C
4 Sukadana Kalimantan Barat 31.1°C
5 Bangkok 31.1°C
6 Phra Pradaeng 31.1°C
7 Nambutalai 31.1°C
8 Tondi 31.1°C
9 Ko Si Chang 31.1°C
10 Si Racha 31.1°C
11 Krong Kep 31.1°C
12 Ao Muang Trat Chang Wat Trat 31.1°C
13 Bang Lamung 31.1°C
14 Jomtien Beach 31.1°C
15 Ko Lan 31.1°C
16 Pattaya 31.1°C
17 Sihanoukville 31.1°C
18 Siem Reap 31.0°C
19 Ream Sihanoukville 31.0°C
20 Sattahip 31.0°C
21 An Thoi 31.0°C
22 Ko Prap Surat Thani Province 31.0°C
23 Phu Quoc 31.0°C
24 Pak Nam Trang Chang Wat Trang 31.0°C
25 Chong Samet Chumphon 31.0°C
Show 25 more ▸
26 Ko Kut 31.0°C
27 Pawei Kyun Tanintharyi Region 30.9°C
28 Ko Koi Noi Satun 30.9°C
29 Langkawi Chang Wat Satun 30.9°C
30 Rayong 30.9°C
31 Samet 30.9°C
32 Sungai Kedah Kedah 30.9°C
33 Pelabuhan Kuah Kedah 30.9°C
34 Hua Hin 30.9°C
35 Map Ta Phut 30.9°C
36 Kampong Saom (Sihanoukville) Sihanoukville 30.9°C
37 Ko Don Ao Nang 30.9°C
38 Koh Dek Koul 30.9°C
39 Pulau Bidan Kedah 30.9°C
40 Ao Sattahip Chonburi 30.9°C
41 Chong Khram Ranong 30.9°C
42 Laem Sing 30.9°C
43 Rameswaram 30.9°C
44 Pamban Pass Tamil Nadu 30.9°C
45 Butterworth Wharves Pulau Pinang 30.9°C
46 Pinang (Georgetown) Pulau Pinang 30.9°C
47 Pulau Rimau Pulau Pinang 30.9°C
48 Tanjung Dawai Kedah 30.9°C
49 Mali Kyun (Fisher Bay) Tanintharyi Region 30.9°C
50 Myeik (Mergui) Tanintharyi Region 30.9°C

Coldest 10 in Asia in May

Same data the other way. Helpful if you want to know which Asia coasts to avoid for swimming in May.

# Location May mean
1 Bukhta Teplits Arkhangelskaya -1.6°C
2 Domashni Island Murmansk -1.6°C
3 Franz Josef Land -1.6°C
4 Mys Flora Arkhangelsk Oblast -1.6°C
5 Guba Lebyazh'ya Khabarovsk Krai -1.6°C
6 Hansen Island Krasnoyarsk Krai -1.6°C
7 Cape Chelyuskin Krasnoyarsk Krai -1.5°C
8 Komsomolskoy Pravda Island Krasnoyarsk Krai -1.5°C
9 Guba Kamyenka Murmansk -1.5°C
10 Vrangel -1.5°C

More on this region