Each cell is that destination's own verdict for the month — sweet spot, ok or avoid — with its typical daily high, from the same ten years of climate readings its page is built from. A dot marks a busy month. The last row counts the sweet spots, and the best months are marked.

Trips through Thailand

Before you go

Cost of living	very cheap — prices run about 31% of the United States' (World Bank, 2025)
Currency	Baht
Languages	Thai
Plugs	Type A and B and C and F, 220 V
Driving	On the left
Emergency	191, 199, 1669
Calling code	+66
Travel advice	avoid all but essential travel to parts — UK Foreign Office, updated 2026-09-18

Health. Before you travel check that: your destination can provide the healthcare you may need you have appropriate travel insurance for local treatment or unexpected medical evacuation This is particularly important if you have a health condition or are pregnant. Emergency medical number Dial 191 and ask for an ambulance. Local number: 1669 Contact your insurance or medical assistance company quickly if … More.

Facts from Wikidata (CC0), the UK Foreign Office (Open Government Licence) and the World Bank, refreshed 2026-09-23. The advisory is written for British travellers; entry rules depend on your passport.

Every verdict here is the destination's own: ten years of climate readings, the public holidays that crowd it, and what the flight costs. Nothing is said about Thailand as a whole that was not first measured at each place in it.