Swimming on the island of Koh Samui in march 2025 Sea temperature by city in march

Do you want to go to the beach on the island of Koh Samui in march 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 march on the island of Koh Samui by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature on the island of Koh Samui in march 2025

Here, find the average sea temperature on the island of Koh Samui in march in several coastal cities.

on average:

84°F

min: 82°F / max: 86°F

Bang Kao (Laem Sor beach)

on average:

84°F

min: 82°F / max: 86°F

Bophut

on average:

84°F

min: 82°F / max: 86°F

Choeng Mon

on average:

84°F

min: 82°F / max: 86°F

Koh Madsum

on average:

84°F

min: 82°F / max: 86°F

Koh Phaluai

on average:

84°F

min: 82°F / max: 86°F

Koh Taen

on average:

84°F

min: 82°F / max: 86°F

Lamai beach

on average:

84°F

min: 82°F / max: 86°F

Lipa Noi

on average:

84°F

min: 82°F / max: 86°F

Maenam

on average:

84°F

min: 82°F / max: 86°F

Nathon

on average:

84°F

min: 82°F / max: 86°F

Where should you go swimming on the island of Koh Samui in the month of march?

Swimming on the island of Koh Samui in march is ideal

In march on the island of Koh Samui swimming conditions are generally the same everywhere.

In march in Chaweng Beach, Bang Kao (Laem Sor beach), Bophut, Choeng Mon, Koh Madsum, Koh Phaluai, Koh Taen, Lamai beach, Lipa Noi, Maenam and Nathon, swimming conditions are perfect! With water reaching a maximum of 86°F and an average of 84°F, going in the water (and staying there!) feels great.

Where to go swimming on the island of Koh Samui in march: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in march

Chaweng Beach

March
Average sea temperature 84°F
Minimum sea temperature 82°F
Maximum sea temperature 86°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 7.5in
Number of days of precipitation 6 jour(s)
(20%)
Cloud cover 27%
Our opinion ideal swimming

More information on swimming in Chaweng Beach in march

Bang Kao (Laem Sor beach)

March
Average sea temperature 84°F
Minimum sea temperature 82°F
Maximum sea temperature 86°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 7.5in
Number of days of precipitation 6 jour(s)
(20%)
Cloud cover 27%
Our opinion ideal swimming

Bophut

March
Average sea temperature 84°F
Minimum sea temperature 82°F
Maximum sea temperature 86°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 7.5in
Number of days of precipitation 6 jour(s)
(20%)
Cloud cover 27%
Our opinion ideal swimming

Choeng Mon

March
Average sea temperature 84°F
Minimum sea temperature 82°F
Maximum sea temperature 86°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 7.5in
Number of days of precipitation 6 jour(s)
(20%)
Cloud cover 27%
Our opinion ideal swimming

Koh Madsum

March
Average sea temperature 84°F
Minimum sea temperature 82°F
Maximum sea temperature 86°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 7.5in
Number of days of precipitation 6 jour(s)
(20%)
Cloud cover 27%
Our opinion ideal swimming

List of coastal cities on the island of Koh Samui

Chaweng Beach in marchideal swimming
Bang Kao (Laem Sor beach) in marchideal swimming
Bophut in marchideal swimming
Choeng Mon in marchideal swimming
Koh Madsum in marchideal swimming
Koh Phaluai in marchideal swimming
Koh Taen in marchideal swimming
Lamai beach in marchideal swimming
Lipa Noi in marchideal swimming
Maenam in marchideal swimming
Nathon in marchideal swimming
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