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Average Monthly Sunshine in Koh Samet

The graphs on this page shows the average number of hours per month and per day that Koh Samet receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine


Sunshine in Koh Samet varies greatly throughout the year. The sunniest month, March, reaches an impressive 240 hours, while September, the darkest month, offers only 110 hours. The total annual amount of sun is 2073 hours.

Daily hours of sunshine


This means the city can be enjoyed more throughout the sunniest month of March under a blue sky, with approximately 8.0 hours of sunshine daily. In contrast, the city experiences much darker days in September, with only 3.7 hours of sunlight per day.

Koh Samet’s total hours of sunshine compared to other major cities

Koh Samet enjoys an average of 2073 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Other climate information

September, Koh Samet’s wettest month, receives 110 mm of rainfall and has a maximum daytime temperature of 30°C. During the driest month December you can expect a temperature of 31°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Koh Samet Precipitation page.


Forecast: is it sunny in Koh Samet?

Wed   Jan 15
29°C | 21°C
NE 6 m/s
broken clouds and no rain

broken clouds and no rain

Thu   Jan 16
30°C | 22°C
NE 7 m/s
almost clear and no rain

almost clear and no rain

Fri   Jan 17
29°C | 22°C
NE 8 m/s
broken clouds and no rain

broken clouds and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Koh Samet.

Our site offers climate and forecast data for every country in the world. Are you going to Thailand? On this website you can find historical weather averages for many cities in Thailand. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.