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Full Moon Party at Haad Rin, Koh Phangan

Season guide · Koh Phangan · Thailand

Koh Phangan in summer

July–September: weather, crowds, prices and the best things to do this time of year.

Updated By the AMZBooking editorial team

Photo: joestump https://www.flickr.com/photos/joestump/, CC BY 2.0

Quick answer

Mostly fine weather with short showers, busy with summer holidaymakers, while the Andaman coast is in monsoon. Expect highs up to 32°C (90°F) and lows around 25°C (77°F), with about 41 rainy days across July–September. July–August are among the best months of the year to visit.

Key facts

Months
July–September
Temperatures
25°C (77°F) to 32°C (90°F)
Rainy days in the season
About 41
Sea
29°C (84°F) to 29°C (84°F)
Crowds
Moderate
Hotel prices
Average

Weather in summer

Koh Phangan in summer: month by month
MonthHighLowRainy daysDaylightCrowds
July32°C (90°F)25°C (77°F)1312.6 h4/5
August32°C (90°F)25°C (77°F)1312.4 h4/5
September32°C (90°F)25°C (77°F)1512.2 h2/5

Compared with the rest of the year: average highs of 32°C (90°F) against a yearly 31°C (88°F), and 41 of the year's roughly 145 rainy days fall in these 3 months. Crowds rate 3/5 and hotel prices 3/5 on average.

What's on in summer

Recurring events; dates move from year to year, so confirm with the organiser.

  • July: Asahna Bucha and Khao Phansa — Buddhist holidays (usually July)

Good choices for summer

Experience · Ban Tai and Ban Khai

Wat Pho herbal sauna

The temple of Wat Pho in Ban Tai runs a traditional herbal steam sauna, heated with lemongrass and local herbs, with cooling showers and simple massages.

Time needed
1–1.5 hours
Cost
Low cost
  • Rainy day
  • Off the beaten path

Day trips in summer

  • Koh Samui (About 30–60 minutes by ferry) — Phangan's larger neighbour has the Big Buddha temple, Fisherman's Village in Bophut, the Na Muang waterfalls and long beaches at Chaweng and Lamai.
  • Sail Rock dive site (About 45–60 minutes by dive boat) — A pinnacle of rock rising from the sea between Phangan and Koh Tao, one of the Gulf of Thailand's best-known dive sites, with a vertical chimney swim-through and large schools of fish.

What to pack

  • Light, breathable clothes, a sun hat and high-factor sunscreen
  • A compact umbrella and waterproof shoes — rain is frequent
  • Comfortable walking shoes

Other times of year

Questions travellers ask

+Is summer a good time to visit Koh Phangan?

Yes: July–August are among the best months. Mostly fine weather with short showers, busy with summer holidaymakers, while the Andaman coast is in monsoon.

+What is the weather like in Koh Phangan in summer?

Highs of up to 32°C (90°F) and lows around 25°C (77°F), with about 41 rainy days over the season.