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Climate in Suratthani (Koh Samui), Thailand

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Suratthani

Sun   Jun 02
37°C | 25°C
SW 11 km/h
4.4 mm
broken clouds and thunder

broken clouds and thunder

Mon   Jun 03
35°C | 25°C
NE 14 km/h
5 mm
broken clouds and thunder

broken clouds and thunder

Tue   Jun 04
35°C | 25°C
SW 14 km/h
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Suratthani in Thailand

Other facts from our historical weather data:

  • When is the rainy season in Suratthani?
    Rainy season in Suratthani occurs in the months of May, August, September, October, November and December.
  • Which is the hottest month in Suratthani?
    April has an average maximum temperature of 35°C and is the hottest month of the year.
  • Which is the coolest month in Suratthani?
    The coolest month is January with an average maximum temperature of 30°C.
  • Which is the wettest month in Suratthani?
    October tops the wettest month list with 312 mm of rainfall.
  • Which is the driest month in Suratthani?
    February is the driest month with 43 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.