Swimming in Thailand in may 2025 Sea temperature by city in may

Do you want to go to the beach in Thailand in may 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in may in Thailand by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Thailand in may 2025

Here, find the average sea temperature in Thailand in may in several coastal cities.

Central Thailand in may

on average:

86°F

min: 84°F / max: 89°F

on average:

87°F

min: 85°F / max: 89°F

on average:

86°F

min: 85°F / max: 89°F

Phetchaburi

on average:

86°F

min: 84°F / max: 88°F

Prachuap Khiri Khan

on average:

87°F

min: 84°F / max: 90°F

Pran Buri

on average:

86°F

min: 84°F / max: 89°F

Phuket in may

on average:

87°F

min: 85°F / max: 89°F

on average:

87°F

min: 85°F / max: 89°F

Bang Rong

on average:

87°F

min: 85°F / max: 89°F

Bang Tao Beach

on average:

87°F

min: 85°F / max: 89°F

Chalong

on average:

87°F

min: 85°F / max: 89°F

Coral Island (Koh Hey)

on average:

87°F

min: 85°F / max: 89°F

East of Thailand in may

on average:

87°F

min: 84°F / max: 89°F

on average:

87°F

min: 85°F / max: 90°F

on average:

87°F

min: 84°F / max: 88°F

on average:

87°F

min: 84°F / max: 90°F

on average:

87°F

min: 84°F / max: 89°F

on average:

87°F

min: 84°F / max: 90°F

Southern Thailand in may

on average:

87°F

min: 85°F / max: 89°F

on average:

87°F

min: 86°F / max: 89°F

on average:

86°F

min: 85°F / max: 89°F

on average:

87°F

min: 86°F / max: 89°F

on average:

86°F

min: 84°F / max: 89°F

on average:

86°F

min: 85°F / max: 89°F

Where should you go swimming in Thailand in the month of may?

Swimming in Thailand in may is ideal

In may in Thailand swimming conditions are generally the same everywhere.

In may in Bangkok, Chaweng Beach, Phuket town, Chanthaburi, Hua Hin, Khao Lak national Park, Koh Chang, Koh Lanta, Koh Phangan, Koh Phi Phi, Koh Samui, Koh Tao, Krabi - Ao Nang, Patong, Pattaya, Phuket, Koh Kut (Koh Kood), Ko Samet, Trat, Bang Kao (Laem Sor beach), Bang Rong, Bang Tao Beach, Bophut, Chalong, Choeng Mon, Chon Buri, Coral Island (Koh Hey), Kamala Beach, Karon Beach, Kata Beach, Kathu, Koh Bulon Leh, Koh Libong, Ko Lipe, Koh Madsum, Koh Mai Thon, Koh Muk (Ko Mook), Koh Phaluai, Koh Siray, Koh Sukon, Koh Taen, Koh Wai, Koh Yao Noi, Koh Yao Yai, Lamai beach, Lipa Noi, Maenam, Mai Khao Beach, Nai Yang Beach, Nathon, Panwa Beach (Khao Kad Beach), Railay beach, Rawai, Rayong, Sai Kaew Beach, Saphan Hin, Sirinat National Park, Songkhla, Ton Sai beach (Ao Nang), Cha-am, Chumphon, Nakhon Si Thammarat, Narathiwat, Pattani, Phetchaburi, Prachuap Khiri Khan, Pran Buri, Samut Songkhram, Sattahip, Satun, Si Racha and Surat Thani, swimming conditions are perfect! With water reaching a maximum of 89°F and an average of 86°F, going in the water (and staying there!) feels great.

Where to go swimming in Thailand in may: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in may

Bangkok

May
Average sea temperature 86°F
Minimum sea temperature 84°F
Maximum sea temperature 89°F
Average outside temperature 92°F
Maximum outside temperature 97°F
Minimum outside temperature 86°F
Precipitation 8.1in
Number of days of precipitation 13 jour(s)
(42%)
Cloud cover 34%
Our opinion ideal swimming

More information on swimming in Bangkok in may

Chaweng Beach

May
Average sea temperature 86°F
Minimum sea temperature 85°F
Maximum sea temperature 89°F
Average outside temperature 86°F
Maximum outside temperature 88°F
Minimum outside temperature 85°F
Precipitation 6.3in
Number of days of precipitation 11 jour(s)
(34%)
Cloud cover 31%
Our opinion ideal swimming

More information on swimming in Chaweng Beach in may

Phuket town

May
Average sea temperature 87°F
Minimum sea temperature 85°F
Maximum sea temperature 89°F
Average outside temperature 86°F
Maximum outside temperature 86°F
Minimum outside temperature 85°F
Precipitation 15.1in
Number of days of precipitation 21 jour(s)
(68%)
Cloud cover 38%
Our opinion ideal swimming

More information on swimming in Phuket town in may

Chanthaburi

May
Average sea temperature 87°F
Minimum sea temperature 84°F
Maximum sea temperature 89°F
Average outside temperature 88°F
Maximum outside temperature 92°F
Minimum outside temperature 85°F
Precipitation 13in
Number of days of precipitation 17 jour(s)
(56%)
Cloud cover 37%
Our opinion ideal swimming

More information on swimming in Chanthaburi in may

Hua Hin

May
Average sea temperature 87°F
Minimum sea temperature 85°F
Maximum sea temperature 89°F
Average outside temperature 88°F
Maximum outside temperature 92°F
Minimum outside temperature 83°F
Precipitation 6.3in
Number of days of precipitation 10 jour(s)
(33%)
Cloud cover 30%
Our opinion ideal swimming

More information on swimming in Hua Hin in may

List of coastal cities in Thailand

Bangkok in mayideal swimming
Chaweng Beach in mayideal swimming
Phuket town in mayideal swimming
Chanthaburi in mayideal swimming
Hua Hin in mayideal swimming
Khao Lak national Park in mayideal swimming
Koh Chang in mayideal swimming
Koh Lanta in mayideal swimming
Koh Phangan in mayideal swimming
Koh Phi Phi in mayideal swimming
Koh Samui in mayideal swimming
Koh Tao in mayideal swimming
Krabi - Ao Nang in mayideal swimming
Patong in mayideal swimming
Pattaya in mayideal swimming
Phuket in mayideal swimming
Koh Kut (Koh Kood) in mayideal swimming
Ko Samet in mayideal swimming
Trat in mayideal swimming
Bang Kao (Laem Sor beach) in mayideal swimming
Bang Rong in mayideal swimming
Bang Tao Beach in mayideal swimming
Bophut in mayideal swimming
Chalong in mayideal swimming
Choeng Mon in mayideal swimming
Chon Buri in mayideal swimming
Coral Island (Koh Hey) in mayideal swimming
Kamala Beach in mayideal swimming
Karon Beach in mayideal swimming
Kata Beach in mayideal swimming
Kathu in mayideal swimming
Koh Bulon Leh in mayideal swimming
Koh Libong in mayideal swimming
Ko Lipe in mayideal swimming
Koh Madsum in mayideal swimming
Koh Mai Thon in mayideal swimming
Koh Muk (Ko Mook) in mayideal swimming
Koh Phaluai in mayideal swimming
Koh Siray in mayideal swimming
Koh Sukon in mayideal swimming
Koh Taen in mayideal swimming
Koh Wai in mayideal swimming
Koh Yao Noi in mayideal swimming
Koh Yao Yai in mayideal swimming
Lamai beach in mayideal swimming
Lipa Noi in mayideal swimming
Maenam in mayideal swimming
Mai Khao Beach in mayideal swimming
Nai Yang Beach in mayideal swimming
Nathon in mayideal swimming
Panwa Beach (Khao Kad Beach) in mayideal swimming
Railay beach in mayideal swimming
Rawai in mayideal swimming
Rayong in mayideal swimming
Sai Kaew Beach in mayideal swimming
Saphan Hin in mayideal swimming
Sirinat National Park in mayideal swimming
Songkhla in mayideal swimming
Ton Sai beach (Ao Nang) in mayideal swimming
Cha-am in mayideal swimming
Chumphon in mayideal swimming
Nakhon Si Thammarat in mayideal swimming
Narathiwat in mayideal swimming
Pattani in mayideal swimming
Phetchaburi in mayideal swimming
Prachuap Khiri Khan in mayideal swimming
Pran Buri in mayideal swimming
Samut Songkhram in mayideal swimming
Sattahip in mayideal swimming
Satun in mayideal swimming
Si Racha in mayideal swimming
Surat Thani in mayideal swimming
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