Koh Samui weather in February 2025

Expect 84°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Koh Samui in February. Check more long-term weather averages for Koh Samui in February before you book your next holiday to Thailand in 2025/2026.

84
84°F max day temperature
9
9 hours of sunshine per day
5
5 days with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
1.5
1.5 inches of monthly rainfall
11
11+ (Extreme) UV index
82
82°F sea temperature

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The February weather guide for Thailand (Koh 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) | Imperial (°F)

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How hot is it in Koh Samui in February?

Daytime temperatures usually reach 84°F in Koh Samui in February with high heat and humidity, falling to 73°F at night.

How sunny is it in Koh Samui in February?

There are normally 9 hours of bright sunshine each day in Koh Samui in February - that's 72% of daylight hours.

How warm is the sea around Koh Samui in February?

The average sea temperature around Koh Samui in February is 82°F.

Does it rain in Koh Samui in February?

There are usually 5 days with some rain in Koh Samui in February and the average monthly rainfall is 1.5 inches.

Koh Samui February sunrise & sunset times

Browse the sunrise and sunset times for Koh Samui in February 2025. Select a month to view Koh Samui sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Saturday, 1st February 2025	06:42	18:25
Friday, 14th February 2025	06:39	18:29
Friday, 28th February 2025	06:34	18:30

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Thailand - quick facts
Flight time^✝	15 hours
Time difference	UK +7 hours
Language(s)	Thai, Isan
Currency	Thai Baht
Electricity	A + B + C + O plug (230V)
Driving side	Left
Why visit?	Beaches Culture Nature Nightlife
Tourist info	Tourism Authority of Thailand