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Ko Samui weather in January 2023
- 2929°C max day temperature
- 1010 days with some rainfall
- 2222°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 123123 mm of monthly rainfall
- 1111 (Extreme) UV index
- 2828°C sea temperature
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The January weather guide for Thailand (Ko Samui) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Thailand
How hot is it in Ko Samui in January?
Daytime temperatures usually reach 29°C in Ko Samui in January with high heat and humidity, falling to 22°C at night.
How sunny is it in Ko Samui in January?
There are normally 7 hours of bright sunshine each day in Ko Samui in January - that's 64% of daylight hours.
How warm is the sea around Ko Samui in January?
The average sea temperature around Ko Samui in January is 28°C.
Does it rain in Ko Samui in January?
There are usually 10 days with some rain in Ko Samui in January and the average monthly rainfall is 123mm.
Ko Samui January sunrise & sunset times
Browse the sunrise and sunset times for Ko Samui in January 2023. Select a month to view Ko Samui sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Sunday, 1st January 2023||06:36||18:10|
|Monday, 16th January 2023||06:40||18:18|
|Tuesday, 31st January 2023||06:42||18:25|
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