Best time to visit Mainland Southeast Asia

The best time to visit Mainland Southeast Asia is December to February, judged across 57 places; July to September are its low season.

Updated September 2026 · Southeast Asia · 57 places, each judged for what it is · climate normals from ERA5 reanalysis

Mainland Southeast Asia month by month

Month	Season	Why	Best places
January	in season	dry season · 29°C highs · 10 h sun	Kalaw, Kep, Ngapali
February	in season	dry season · 31°C highs · 11 h sun	Ngapali, Dalat, Mui Ne
March	good	dry season · 32°C highs · 11 h sun	Con Dao, Mui Ne, Nha Trang
April	not its best	smoke season · best Dec–Feb	Mui Ne, Nha Trang, Quy Nhon
May	not its best	monsoon · 33°C highs · best Dec–Feb	Da Nang, Mui Ne, Quy Nhon
June	not its best	monsoon · 32°C highs · best Dec–Feb	Ko Samui, Mui Ne, Quy Nhon
July	low season	monsoon · 31°C highs · best Dec–Feb · still good for beaches	Mui Ne, Quy Nhon, Ko Lipe
August	low season	monsoon · 31°C highs · best Dec–Feb · still good for beaches	Mui Ne, Ko Samui, Ko Pha Ngan
September	low season	monsoon · 31°C highs · best Dec–Feb	Mui Ne, Ko Samui, Ko Pha Ngan
October	not its best	monsoon · best Dec–Feb	Sapa, Ha Long, Mui Ne
November	good	dry season · 29°C highs · 9 h sun	Sapa, Ha Long, Kalaw
December	in season	dry season · 29°C highs · 9 h sun	Ngapali, Hua Hin, Kalaw

In season: one of the region's three best months, and good in its own right. Low season: one of its three worst, and well below its best. The reasons compare each month with the region's own year and name the seasons on the ground — monsoon, autumn colour, hurricanes — where most of its places share them.

All 57 places in Mainland Southeast Asia

Mainland Southeast Asia — FAQ

When is the best time to visit Mainland Southeast Asia?: December to February. In January: dry season · 29°C highs · 10 h sun.
When is the low season in Mainland Southeast Asia?: July to September. In July: monsoon · 31°C highs · best Dec–Feb · still good for beaches.
Which months are in season in Mainland Southeast Asia?: December to February — the months among its best that are also good in their own right.

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