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    3. June

    Month 6 of 12

    Thailand in June

    June falls in the southwest monsoon rainy season (mid-May to mid-October, TMD); dry spells of 1-2 weeks are common in upper Thailand in June/early July (LDD). Regions that score 'good' on rainfall in our overview: Koh Samui, Koh Phangan, Koh Tao. Less suitable weather-wise: Similan, Surin and Koh Rok (marine parks); Ranong (Koh Phayam); Chanthaburi; and Trat, Koh Chang, Koh Kood, Koh Mak. Average rainfall ranges from 82 mm (Hua Hin) to 777 mm (Trat). Below you will find 8 beaches, 8 islands, 6 festivals and holidays, 5 temples and 8 birds for June.

    • 1/12regions good
    • 6festivals
    • 5temples

    🌦️ Weather by region🎉 Festivals

    The season in June

    June falls in the southwest monsoon rainy season (mid-May to mid-October, TMD); dry spells of 1-2 weeks are common in upper Thailand in June/early July (LDD). Average rainfall: Phuket 213 mm, Krabi 193 mm, Koh Samui 134 mm, Hua Hin 82 mm, Pattaya 132 mm, Trat 777 mm.

    Indication: the weather varies from year to year.

    Rain and weather by region in June

    Average monthly rain per weather station; the bar runs from 0 to 1024 mm (the wettest month in this overview). Colour = our score for that region.

    • Good
    • Fair
    • Not recommended

    Andaman Sea: Similan, Surin and Koh Rok (marine parks)

    Not recommended🌊 rough sea

    • Phuket (Mueang)213 mm

    Very wet: Phuket (Mueang) 213 mm on 18.2 rainy days (monthly average). Sea: rough sea, red flags possible (SW monsoon May-Oct). Similan and Surin are closed to tourism 16 May to 14 October (2026: reopened 15 Oct); Koh Rok (Mu Ko Lanta NP) is also closed in the monsoon season.

    Sources: en.wikipedia.org, en.sme.go.th, www1.ldd.go.th, nationthailand.com, siamtourandrealty.com, tatnews.org

    Andaman Sea: Phuket, Phang Nga, Krabi

    Fair🌊 rough sea

    • Phuket (Mueang)213 mm
    • Krabi193 mm

    Changeable: Phuket (Mueang) 213 mm on 18.2 rainy days; Krabi 193 mm on 15.8 rainy days (monthly average). Sea: rough sea, red flags possible (SW monsoon May-Oct). DMCR lists Phuket beaches (e.g. Kata, Karon, Patong, Kamala, Nai Harn) as high-risk for big waves and rip currents May to October.

    Sources: en.wikipedia.org, en.wikipedia.org, en.sme.go.th, www1.ldd.go.th, warning.dmcr.go.th, tatnews.org

    Andaman Sea: Ranong (Koh Phayam)

    Not recommended🌊 rough sea

    • Ranong638 mm

    Very wet: Ranong 638 mm on 21.6 rainy days (monthly average). Sea: rough sea, red flags possible (SW monsoon May-Oct).

    Sources: en.wikipedia.org, en.sme.go.th, www1.ldd.go.th

    Southern Andaman: Trang and Satun (Koh Lipe)

    Fair🌊 rough sea

    • Satun190 mm

    Changeable: Satun 190 mm on 13 rainy days (monthly average). Sea: rough sea, red flags possible (SW monsoon May-Oct). In Tarutao National Marine Park the Adang-Rawi islands and dive sites are closed 1 June to 30 September (DNP 2026 notice); Koh Tarutao and Koh Lipe stay open. Fewer boats from Pak Bara 1 June to 15 Oct.

    Sources: en.wikipedia.org, en.sme.go.th, www1.ldd.go.th, nationthailand.com, thainationalparks.com, ploysiamspeedboat.com

    Gulf: Koh Samui, Koh Phangan, Koh Tao

    Good🌊 calm sea

    • Ko Samui134 mm

    Relatively dry: Ko Samui 134 mm on 10.3 rainy days (monthly average). Sea: sea mostly calm.

    Sources: en.wikipedia.org, en.sme.go.th, www1.ldd.go.th

    Upper Gulf west: Hua Hin, Cha-am, Prachuap Khiri Khan

    Fair🌊 variable sea

    • Hua Hin82 mm
    • Prachuap Khiri Khan93 mm

    Changeable: Hua Hin 82 mm on 9.2 rainy days; Prachuap Khiri Khan 93 mm on 10.3 rainy days (monthly average). Sea: changeable sea in the wet season.

    Sources: en.wikipedia.org, en.wikipedia.org, en.sme.go.th, www1.ldd.go.th

    East coast: Pattaya, Bang Saen, Koh Larn (Chonburi)

    Fair🌊 variable sea

    • Pattaya132 mm
    • Chonburi143 mm
    • Sattahip157 mm

    Changeable: Pattaya 132 mm on 9.8 rainy days; Chonburi 143 mm on 11.3 rainy days; Sattahip 157 mm on 10.6 rainy days (monthly average). Sea: changeable sea in the wet season.

    Sources: en.wikipedia.org, en.wikipedia.org, en.wikipedia.org, en.sme.go.th, www1.ldd.go.th

    East coast: Rayong, Koh Samet, Koh Man

    Fair🌊 variable sea

    • Rayong178 mm

    Changeable: Rayong 178 mm on 12 rainy days (monthly average). Sea: changeable sea in the wet season.

    Sources: en.wikipedia.org, en.sme.go.th, www1.ldd.go.th

    East coast: Chanthaburi

    Not recommended🌊 rough sea

    • Chanthaburi500 mm

    Very wet: Chanthaburi 500 mm on 21.3 rainy days (monthly average). Sea: rougher sea and fewer boat services in the wet season. No Chanthaburi beaches or islands in our list; climate only.

    Sources: en.wikipedia.org, en.sme.go.th, www1.ldd.go.th

    East coast: Trat, Koh Chang, Koh Kood, Koh Mak

    Not recommended🌊 rough sea

    • Trat777 mm

    Very wet: Trat 777 mm on 23.3 rainy days (monthly average). Sea: rougher sea and fewer boat services in the wet season. Koh Mak and Koh Kood have fewer boats in the wet season; speedboats often stop. Trat is one of the wettest provinces in Thailand (>4,000 mm a year, LDD).

    Sources: en.wikipedia.org, en.sme.go.th, www1.ldd.go.th, visit-thailand.org

    Central: Koh Kret (Nonthaburi)

    Fair

    • Bangkok198 mm

    Changeable: Bangkok 198 mm on 13.4 rainy days (monthly average). Bangkok climate used as a proxy for Koh Kret.

    Sources: en.wikipedia.org, en.sme.go.th, www1.ldd.go.th

    ⚠️ Better avoid in June

    Regions scored not recommended:

    • Andaman Sea: Similan, Surin and Koh Rok (marine parks)
    • Andaman Sea: Ranong (Koh Phayam)
    • East coast: Trat, Koh Chang, Koh Kood, Koh Mak

    Beaches at their best in June

    ℹ️ The season score is based on average rainfall and the climate per region, not on a weather forecast. It is not a guarantee: the weather varies from year to year.

    Islands at their best in June

    Festivals and holidays in June

    6 of the 6 festivals in our festival list that can fall in June.

    All festivals and holidays →

    Temples to visit in June

    Birds to see in June

    In our bird guide, 10 species have June in their best season, of which 0 are winter visitors or passage migrants; 56 species are present year-round. This follows from the best season listed for each species.

    Hotels at beaches and islands that are good in June

    Hotels listed on our beach and island pages, at a place that scores well this month.

    Frequently asked questions about Thailand in June

    What is the weather like in Thailand in June?

    June falls in the southwest monsoon rainy season (mid-May to mid-October, TMD); dry spells of 1-2 weeks are common in upper Thailand in June/early July (LDD). Average rainfall: Phuket 213 mm, Krabi 193 mm, Koh Samui 134 mm, Hua Hin 82 mm, Pattaya 132 mm, Trat 777 mm. Indication: the weather varies from year to year.

    Where is the best beach weather in Thailand in June?

    Based on average rainfall: Koh Samui, Koh Phangan, Koh Tao. Good beaches this month include Koh Nang Yuan, Silver Beach (Crystal Bay / Thong Ta Khian) and Chaweng Beach.

    Which festivals are there in Thailand in June?

    Examples: Queen Suthida's Birthday (3 June 2027); Phi Ta Khon (Ghost Mask Festival, Dan Sai) (expected in June 2027); Hua Hin Jazz City Event (expected May-June 2027); Siam Tulip Festival, Chaiyaphum (expected June-August 2027); Full Moon Party (Koh Phangan) (date varies by year). Many festivals follow the lunar calendar or are set locally each year, so dates shift.

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