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Coldest sea in Thailand in March

89 coastal locations in Thailand ranked by typical March sea temperature, coldest first. Region-wide average in March: 29.4°C.

Coldest in March

Ban Mai

28.6°C March mean in Thailand

Regional March average

29.4°C

across all 89 coastal locations in Thailand

Vs annual mean

-0.1°C

below the year-round regional average

What the Thailand sea feels like in March

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

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 March fits in the year

March 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 March mean.

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 coldest Thailand locations in March

Sorted by typical March mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location March mean
1 Ban Mai 28.6°C
2 Ban Talat Yai 28.6°C
3 Tak Bai 28.8°C
4 Narathiwat 28.8°C
5 Pattani 28.8°C
6 Yaring 28.8°C
7 Ko Lak (Prachuap Khiri Khan) Prachuap Khiri Khan 28.9°C
8 Bo Phut Beach 29.0°C
9 Chaweng Beach 29.0°C
10 Choeng Mon Beach 29.0°C
11 Hua Hin 29.0°C
12 Koh Phangan 29.0°C
13 Koh Samui 29.0°C
14 Mae Nam Beach 29.0°C
15 Prachuap Khiri Khan 29.0°C
16 Ko Tao 29.1°C
17 Lamai Beach 29.1°C
18 Lipa Noi 29.1°C
19 Mae Nam 29.1°C
20 Ao Sattahip Chonburi 29.1°C
21 Chong Khram Ranong 29.1°C
22 Taling Ngam Beach 29.2°C
23 Sattahip 29.2°C
24 Khanom Beach 29.3°C
25 Map Ta Phut 29.3°C
Show 25 more ▸
26 Mae Klong Chang Wat Samut Songkhram 29.3°C
27 Bang Lamung 29.3°C
28 Jomtien Beach 29.3°C
29 Ko Lan 29.3°C
30 Pattaya 29.3°C
31 Bangkok Bar Central Thailand 29.3°C
32 Ko Mak 29.3°C
33 Ko Wai 29.3°C
34 Lang Suan Chumphon 29.4°C
35 Bangkok 29.4°C
36 Phra Pradaeng 29.4°C
37 Rayong 29.4°C
38 Samet 29.4°C
39 Ko Si Chang 29.4°C
40 Laem Sing 29.4°C
41 Si Racha 29.4°C
42 Pak Nam Ranong Chang Wat Ranong 29.4°C
43 Chong Samet Chumphon 29.4°C
44 Surin Islands 29.4°C
45 Ko Chang Tai 29.4°C
46 Ko Chang 29.4°C
47 Laem Ngop 29.4°C
48 Ko Surin Phang-nga 29.5°C
49 Ko Taphao Noi (Phuket) Chang Wat Phuket 29.5°C
50 Ko Prap Surat Thani Province 29.5°C

Warmest 10 in Thailand in March

Same data the other way. The warmest spots for the same month.

# Location March mean
1 Kantang 29.8°C
2 Ao Muang Trat Chang Wat Trat 29.7°C
3 Pak Nam Trang Chang Wat Trang 29.7°C
4 Ko Don Ao Nang 29.7°C
5 Ko Kut 29.7°C
6 Ko Lanta 29.7°C
7 Ko Phetra Malacca 29.7°C
8 Ko Lipe 29.6°C
9 Khao Lak 29.6°C
10 Ko Lela Satun 29.6°C

More on this region