Lowest averages occur in January, when nightly lows dip to 22 degree Celsius. Top of page Economy Since the early 1980's the tourist business has been Phuket's chief source of income. Hotels, restaurants, tour companies, and souvenir shops are much in evidence on the west coast. However, while once all-importance tin mining has ceased, tourism is by no means the island's only activity. Agriculture remains important to a large number of people, and covers by far the most part of the island.
Principal crops are rubber, coconuts, cashews, and pineapples.
Prawn farming has largly taken over the east and south coasts. Pearl farming is also important. Phuket's fishing port is at all time filled, and processing of marine products, mainly fish, makes a significant contribution to the economy. With so many healthy industries supplying income, construction has become a major factor in employment. This range from massive public works projects, large office buildings and hotels, and housing estates with hundreds of units, down to single family homes, apartments and additions.