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Warmest sea in Thailand in June

89 coastal locations in Thailand ranked by their typical June sea temperature. Region-wide average in June: 30.2°C. The top of the list is where to find the warmest swimming this month.

Warmest in June

Mae Klong

30.6°C June mean in Thailand

Regional June average

30.2°C

across all 89 coastal locations in Thailand

Vs annual mean

+0.7°C

above the year-round regional average

What the Thailand sea feels like in June

Water at this temperature is very warm and you should look to bathe only. Avoid any kind of strenuous swimming as there is a real risk of heat stroke at this temperature.

Thailand monthly average 28.1°C to 30.7°C
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  • Warmest month May 30.7°C
  • Coldest month January 28.1°C
  • Annual mean 29.5°C
  • Months above 20°C 12 of 12

Where June fits in the year

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

All twelve Thailand month rankings:

Thailand sea temperature map (live)

The map shows today's latest reading at every Thailand location. The list below is based on the typical June 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 Thailand locations in June

Sorted by the typical June 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 June mean
1 Mae Klong Chang Wat Samut Songkhram 30.6°C
2 Bangkok Bar Central Thailand 30.5°C
3 Ko Koi Noi Satun 30.5°C
4 Langkawi Chang Wat Satun 30.5°C
5 Tak Bai 30.5°C
6 Bang Lamung 30.5°C
7 Jomtien Beach 30.5°C
8 Ko Lan 30.5°C
9 Pattaya 30.5°C
10 Sattahip 30.5°C
11 Narathiwat 30.5°C
12 Pattani 30.4°C
13 Yaring 30.4°C
14 Ko Lela Satun 30.4°C
15 Bangkok 30.4°C
16 Phra Pradaeng 30.4°C
17 Ko Don Ao Nang 30.4°C
18 Ko Si Chang 30.4°C
19 Si Racha 30.4°C
20 Hua Hin 30.4°C
21 Kantang 30.4°C
22 Pak Nam Trang Chang Wat Trang 30.4°C
23 Ao Sattahip Chonburi 30.3°C
24 Chong Khram Ranong 30.3°C
25 Khanom Beach 30.3°C
Show 25 more ▸
26 Ko Lipe 30.3°C
27 Ko Phetra Malacca 30.3°C
28 Ko Butang Satun 30.3°C
29 Lamai Beach 30.3°C
30 Ko Prap Surat Thani Province 30.3°C
31 Chong Samet Chumphon 30.3°C
32 Map Ta Phut 30.3°C
33 Taling Ngam Beach 30.3°C
34 Ao Muang Trat Chang Wat Trat 30.3°C
35 Ko Lanta 30.2°C
36 Bo Phut Beach 30.2°C
37 Chaweng Beach 30.2°C
38 Choeng Mon Beach 30.2°C
39 Koh Phangan 30.2°C
40 Koh Samui 30.2°C
41 Mae Nam Beach 30.2°C
42 Rayong 30.2°C
43 Samet 30.2°C
44 Ao Nang (Krabi) Chang Wat Krabi 30.2°C
45 Ao Nang 30.2°C
46 Ban Ao Nang 30.2°C
47 Ko Phi Phi Don 30.2°C
48 Krabi 30.2°C
49 Phi Phi Islands 30.2°C
50 Railay Beach 30.2°C

Coldest 10 in Thailand in June

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

# Location June mean
1 Ban Mai 29.5°C
2 Ban Talat Yai 29.5°C
3 Similan Islands 29.6°C
4 Surin Islands 29.6°C
5 Ranong 29.6°C
6 Ko Miang Phangnga 29.6°C
7 Ko Surin Phang-nga 29.6°C
8 Khao Lak 29.7°C
9 Pak Nam Ranong Chang Wat Ranong 29.7°C
10 Chang Ko Phra Thong Phang-nga 29.7°C

More on this region