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.
84°F
min: 82°F / max: 86°F
Bang Kao (Laem Sor beach)
84°F
min: 82°F / max: 86°F
Bophut
84°F
min: 82°F / max: 86°F
Choeng Mon
84°F
min: 82°F / max: 86°F
Koh Madsum
84°F
min: 82°F / max: 86°F
Koh Phaluai
84°F
min: 82°F / max: 86°F
Koh Taen
84°F
min: 82°F / max: 86°F
Lamai beach
84°F
min: 82°F / max: 86°F
Lipa Noi
84°F
min: 82°F / max: 86°F
Maenam
84°F
min: 82°F / max: 86°F
Nathon
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 swimmingWater 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 march | ideal swimming |
| Bang Kao (Laem Sor beach) in march | ideal swimming |
| Bophut in march | ideal swimming |
| Choeng Mon in march | ideal swimming |
| Koh Madsum in march | ideal swimming |
| Koh Phaluai in march | ideal swimming |
| Koh Taen in march | ideal swimming |
| Lamai beach in march | ideal swimming |
| Lipa Noi in march | ideal swimming |
| Maenam in march | ideal swimming |
| Nathon in march | ideal swimming |