Average monthly water temperature in Ban Mae Nam, Thailand
On this page you find the mean water temperature over the year in Ban Mae Nam (Koh Samui), Thailand. Dive into the water temperature trends, highlighting the best times for swimming and other activities.
In Ban Mae Nam, water remains inviting throughout the year. The warmest month is April, with an average water temperature of 30°C (86°F).
The coolest temperature, January, still averages a pleasant 27°C (81°F). This means you will have a consistently enjoyable environment for water activities and recreation.
Ban Mae Nam Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ban Mae Nam - and find the best time to visit.
Ban Mae Nam 3-Day Forecast
Temperature Rainfall Sunshine Humidity Water Temp
See the full Ban Mae Nam climate overview or explore weather in Thailand.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bangkok
34°C (93°F) Jomtien Beach
32°C (90°F) Hua Hin32°C (90°F) Chiang Mai32°C (90°F) Koh Samui30°C (86°F) Ao Nang Beach30°C (86°F) Ko Lanta30°C (86°F) Patong Beach30°C (86°F) 
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