Best time to go to Ko Samui

  • Max Day Temperature: 22 - 30°C [remove]
  • Hours of Sunshine: 10 hours or more [remove]

The best time to go to Ko Samui is February

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Max Day Temperature (°C)

  • 29°C maximum daytime temperature in January in Ko Samui29
    Jan
  • 29°C maximum daytime temperature in February in Ko Samui29
    Feb
  • 30°C maximum daytime temperature in March in Ko Samui30
    Mar
  • 32°C maximum daytime temperature in April in Ko Samui32
    Apr
  • 32°C maximum daytime temperature in May in Ko Samui32
    May
  • 31°C maximum daytime temperature in June in Ko Samui31
    Jun
  • 31°C maximum daytime temperature in July in Ko Samui31
    Jul
  • 31°C maximum daytime temperature in August in Ko Samui31
    Aug
  • 31°C maximum daytime temperature in September in Ko Samui31
    Sep
  • 30°C maximum daytime temperature in October in Ko Samui30
    Oct
  • 29°C maximum daytime temperature in November in Ko Samui29
    Nov
  • 29°C maximum daytime temperature in December in Ko Samui29
    Dec

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec
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Recommended for Thailand

The best time to go guide for Thailand (Ko Samui) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia) & the Met Office. Find out more about our data sources.

  • Top deals & discounts
  • Ko Samui weather overview
  • Ko Samui climate averages by month
  • More destinations
  • Ko Samui 5-day weather forecast
  • Ko Samui weather today - current conditions (last 24-hours)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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Best time to travel in 2022/2023

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