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Ko Si Chang Weather and Climate: A Comprehensive Guide

The weather in Ko Si Chang is characterized by a steady average temperature throughout the year. It also has a relatively rainy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

In Ko Si Chang temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 33°C in April to a very warm 31°C in December.

Nighttime temperatures can drop, with average lows reaching 24°C in December. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Ko Si Chang experiences significant rainfall throughout the year, averaging 1200 mm of precipitation annually. The seasons in Ko Si Chang, bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 231 mm of precipitation. This rainfall is distributed across 18 rainy days.

In contrast, the driest month, December, experiences much less rainfall, totaling 14 mm over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Ko Si Chang Precipitation page.

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

Sunshine over the year

In Ko Si Chang, summer days are longer and more sunny, with daily sunshine hours peaking at 8.3 hours in March. As the darker season arrives, the brightness of the sun becomes less. September sees a soft sun for only 3.7 hours per average day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Pattaya, Thailand (27 KM, 16 Miles).

Daily hours of sunshine

Data from: Pattaya, Thailand (27 KM, 16 Miles).

Forecast for Ko Si Chang

Wed   Jan 15
31°C | 23°C
NW 1 m/s
almost clear and no rain

almost clear and no rain

Thu   Jan 16
30°C | 24°C
NE 1 m/s
partly cloudy and no rain

partly cloudy and no rain

Fri   Jan 17
30°C | 24°C
NE 1 m/s
partly cloudy and no rain

partly cloudy and no rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Ko Si Chang in Thailand

The best time to visit is during the drier months: January, February, March, November and December.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Ko Si Chang?
    Most rainfall (rainy season) is seen in September and October.
  • Which is the hottest month in Ko Si Chang?
    April has an average maximum temperature of 33°C and is the hottest month of the year.
  • Which is the coolest month in Ko Si Chang?
    The coolest month is December with an average maximum temperature of 31°C.
  • Which is the wettest month in Ko Si Chang?
    September tops the wettest month list with 231 mm of rainfall.
  • Which is the driest month in Ko Si Chang?
    December is the driest month with 14 mm of precipitation.
  • Which is the sunniest month in Ko Si Chang?
    March is the sunniest month with an average of 249 hours of sunshine.

  • 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.