Best year time to visit Amphoe Ko Samui

General weather information about Amphoe Ko Samui

Average annual temperature is 27.9 °C

Absolute maximum temperature: 35.5 °C

Absolute minimum temperature: 22.0 °C

Number of sunny days: 32 days

Number of rainy days: 333 days

Look at detailed online map of Amphoe Ko Samui

* Weather data for Amphoe Ko Samui Thailand is based on climate observations for 2026 year

Amphoe Ko Samui air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)29.530.132.034.635.533.434.234.232.032.430.530.2
Average daytime temperature (°C)28.128.729.632.532.731.830.732.630.530.228.928.8
Average temperature (°C)26.226.627.229.729.729.028.229.027.727.726.927.1
Average night temperature (°C)24.224.625.227.327.326.926.226.525.825.525.125.5
Absolute minimum temperature (°C)22.023.223.625.425.325.224.225.525.024.123.723.9

Amphoe Ko Samui monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.012.012.012.012.012.012.011.011.0
Daylight mean duration (h)11.611.812.112.312.612.712.612.412.211.911.711.6
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.610.610.811.111.09.68.210.78.69.57.99.9
Precipitation (mm)618647465810014776183191337107
Sunny days6410413012010
Rainy days252421263027313028312931
Snow days000000000000

Amphoe Ko Samui - weather forecast by months

Amphoe Ko Samui weather in januaryAmphoe Ko Samui weather in februaryAmphoe Ko Samui weather in marchAmphoe Ko Samui weather in aprilAmphoe Ko Samui weather in mayAmphoe Ko Samui weather in juneAmphoe Ko Samui weather in julyAmphoe Ko Samui weather in augustAmphoe Ko Samui weather in septemberAmphoe Ko Samui weather in octoberAmphoe Ko Samui weather in novemberAmphoe Ko Samui weather in december

Best time to visit Amphoe Ko Samui:

The largest precipitation sum in Amphoe Ko Samui is at

  • September — 183(mm)
  • October — 191(mm)
  • November — 337(mm)

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    Frequently asked questions

    When is the best time to visit Amphoe Ko Samui?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Amphoe Ko Samui.
    What is the weather like in Amphoe Ko Samui?
    See average temperature, rainfall and daylight hours for Amphoe Ko Samui by month in the table above.
    How many sunny days does Amphoe Ko Samui have?
    The monthly weather statistics above show sunshine and rainfall patterns for Amphoe Ko Samui throughout the year.