Khiri Khan, a central coastal province, is situated some 281
km from Bangkok, and has an overall area of 6,368 sq km. The
province is long and narrow in shape, squeezed between the
Gulf of Thailand to the east and Myanmar to the west. The
total length of Prachuab Khiri Khan from its northern-most
tip to its southern-most point is about 212 km. At its narrowest,
it is only 11 km wide from the sea to the border with Myanmar.
borders Phetchaburi to the north, Chumphon to the south, the
Gulf of Thailand to the east and Myanmar, where the Tanaosi
mountain range forms the border, to the west.
Khiri Khan has three distinct seasons: rainy, cool and hot.
Its average temperature was 26.4°C in 1998. The coldest
month, averaging 18.2-24.6°C, is January. The hottest,
with temperatures ranging from 32.4-38.4°C, is May. Most
of the rain falls during the period July to October with an
annual rainfall of 1,024.5 mm, in 1998. The ideal time to
visit Prachuab Khiri Khan is from December to April when the
weather is coolest and the skies are clear.