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Koh Samui in August
Koh Samui, Thailand

Koh Samui in August

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Koh Samui in August

Koh Samui, Thailand

Visiting Koh Samui in August means experiencing the wet season. As a tropical destination, expect warm temperatures year-round with higher rainfall and humidity.

SeasonWet season
Travel StyleNature's Wonder
Cost$$

Weather in Koh Samui in August

Average highs around 28.3C and lows near 23.3C. 91.1mm average precipitation and about 19 rainy days. August typically sits between July and September conditions, so it is useful for travelers wanting a balanced window in Koh Samui. Pack breathable clothing, sunscreen, and hydrate often when exploring Koh Samui.

Avg High28.3C
Avg Low23.3C
Rainy Days19
Precipitation91.1mm
Daylight12.4h/day
Sunshine9.3h/day
Wind15.9 km/h
UVmoderate
Humidityhumid

Temperature

August brings wet season conditions in Koh Samui, Thailand. The average temperature is about 25.8C, with lows near 23.3C and highs around 28.3C.

Sunshine Hours

Koh Samui, Thailand usually gets around 9.3 hours of sunshine per day in August, with roughly 12.4 daylight hours available for sightseeing.

Rain

August sees around 91.1mm of rainfall over about 19 days. Rain can occur for around 6.8 hours per day on average.

Humidity

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Humidity in August is generally humid for Koh Samui, Thailand, especially when rainfall periods increase.

Additional Information

Average winds are around 15.9 km/h, so pack layers that handle changing conditions. Pack breathable clothing, sunscreen, and hydrate often when exploring Koh Samui.

Our August Hotel Picks for Koh Samui

Napasai Samui

Napasai Samui

Airy accommodations in an upscale resort featuring a spa, a private beach & an infinity pool.

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SALA Samui Choengmon Beach Resort

SALA Samui Choengmon Beach Resort

Posh villas, many with private pools, at a chic resort, plus beach access, restaurants & a spa.

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InterContinental Koh Samui Resort by IHG

InterContinental Koh Samui Resort by IHG

Refined quarters in an upmarket beachfront resort offering 7 outdoor pools, 2 restaurants & a spa.

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What to Do in Koh Samui in August

Mu Ko Ang Thong National Marine Park

Mu Ko Ang Thong National Marine Park

National park over an island archipelago featuring forested peaks, scenic views & abundant wildlife.

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Samui Elephant Kingdom Sanctuary

Samui Elephant Kingdom Sanctuary

Explore activity
Ban Tai Beach

Ban Tai Beach

Explore activity

Travel tips for Koh Samui in August

Pack breathable clothing, sunscreen, and hydrate often when exploring Koh Samui. Book accommodation earlier when events overlap with peak weekends, and keep an eye on changing weather windows for day trips.

FAQ: Koh Samui in August

Is August a good month to visit Koh Samui?
August sits in the wet season period, so trip quality depends on your preferred weather, crowd levels, and pace.
What should I pack for Koh Samui in August?
Average highs around 28.3C and lows near 23.3C. Pack breathable clothing, sunscreen, and hydrate often when exploring Koh Samui.
What weather should I expect in Koh Samui during August?
August typically averages around 25.8C, with about 91.1mm of rain across 19 days.

Other Months

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