Where to Go in January
These are general tendencies based on typical seasonal patterns, not a guarantee for this specific year — always check the current forecast before you travel.
Andaman Coast
GoodPhuket, Krabi
Usually most stable November to April; wettest July to October.
Gulf Islands
MixedKoh Samui, Koh Phangan, Koh Tao
Rainfall usually peaks October to December; June to September is usually better than the Andaman side.
Eastern Gulf
GoodKoh Chang
Monsoon usually May to October.
North
GoodChiang Mai
March to April is smoke/haze season — check air quality data before travelling.