You can convert Euros and Dollars (or Travellers) anywhere in the country, or use any major credit card or Eurocard. ATMs are available everywehere.
Travelling alone does not pose a problem for the inexperienced, even with little knowledge of English. Thais people are naturally helpful and, in the most remote corner of the country, they will always find a nice way to help you and guide you, with a smile. The road signs are all phonetically transposed in our alphabet.
Travel documents: no visa is necessary for a less that 30 day stay, but your passport must be valid for up to 6 months after your date of entry in the country. You will have no problem obtaining a visa from the Thai consulate in all major cities for a longer than 30 day stay.
Airline: Thai Airways and many other airline companies fly to Bangkok from all the European and America capitals. Ask your travel agent or visit one of the many internet sites.
Many excursions are available in Pattaya; here are some examples: the Sanctuary of Truth, Nog Nooch Tropical Garden, the Underwater World, the Elephant Village, Mini Siam, the Crocodile Farm, Alangkarn, Kho Larn, and much more that you can easily discover. We can advise you about them on the premises.Tropical climate: it is always warm in Thailand (18° C minimum), and the sea temperature is between 26 and 28° C all year long. The "cold" season is from November to March, and the warm season from April to October. Do not encumber yourself with clothing...
The official language is Thai, but English is spoken in tourist places. If interested, you can obtain the Assimil Thai language course (book and CD) for French speaking people; it is an essential tool to discover that language.