Month guide · Koh Samui · Thailand
Koh Samui in June
What June is really like in Koh Samui: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Abrget47j, CC BY-SA 3.0
Quick answer
June is one of the best months to visit Koh Samui. Expect average highs of 32°C (90°F), lows of 25°C (77°F), about 11 rainy days and roughly 12.7 hours of daylight. Mostly dry with passing showers while the Andaman coast is in monsoon.
Key facts
- Average high / low
- 32°C (90°F) / 25°C (77°F)
- Rainy days
- About 11
- Daylight
- About 12.7 hours
- Sea temperature
- 29°C (84°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in June
June is the 3rd-warmest month in Koh Samui: days average 32°C (90°F) against a yearly average high of 31°C (88°F), and nights fall to about 25°C (77°F). Rain falls on roughly 11 of its 30 days. Compared with May (33°C (91°F)), June is about as warm; by July highs stay near 32°C (90°F).
- Sunrise (15 June)
- About 06:00
- Sunset (15 June)
- About 18:40
- Daylight
- About 12.7 hours
- Sea
- 29°C (84°F)
Hot, mostly dry season (May–August). Warm seas and short showers; busy in July and August with summer holidays, good value in May and June.
Crowds and prices
On a 1–5 scale, June rates 3 for crowds (the peak is February at 5) and 3 for hotel prices (highest in February). Prices sit in the middle of the year's range.
Events in June
June has no major recurring festival in Koh Samui, which usually means easier bookings.
What to do in June
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Beach · Lamai
Silver Beach (Crystal Bay)
A small cove between Chaweng and Lamai with granite boulders, white sand and clear water suitable for snorkelling around the rocks.
- Time needed
- 2–3 hours
- Cost
- Free
- Free
- Outdoors
- Couples
- Photo spot
Viewpoint · Chaweng
Lad Koh Viewpoint
Stop here at sunrise when driving between Chaweng and Lamai.
- Time needed
- 20 minutes
- Cost
- Free
- Free
- Views
- Photo spot
Beach · Chaweng
Coral Cove
A tiny bay at the southern end of Chaweng Noi with rocks and coral close to shore, making it one of the easiest snorkelling spots on the island when the sea is calm.
- Time needed
- 2 hours
- Cost
- Free
- Free
- Outdoors
- Nature
- Off the beaten path
Religious site · South coast
Laem Sor Pagoda
Combine it with lunch in one of the south-coast seafood restaurants and a boat to Koh Tan.
- Time needed
- 30 minutes
- Cost
- Free
- Free
- Photo spot
- Off the beaten path
- Views
The sea averages 29°C (84°F) — warm enough to swim. Best beaches near Koh Samui.
What to pack
For highs near 32°C, lows near 25°C and 11 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a packable rain jacket for showers; comfortable walking shoes.
Is June a good time to visit Koh Samui?
One of the best months to visit Koh Samui. The other best months are February–April and July–August. Compare every month.
Koh Samui in other months
Questions travellers ask
+Is June a good time to visit Koh Samui?
It is one of the best months to visit Koh Samui. Mostly dry with passing showers while the Andaman coast is in monsoon.
+How warm is Koh Samui in June?
Average highs are around 32°C (90°F) and lows around 25°C (77°F).
+Does it rain a lot in Koh Samui in June?
Expect rain on about 11 days of the month.