December to March is the best time to visit Thailand, when temperatures average from 30 to 34 degrees. Phuket and Khao Lak are a couple of degrees cooler. Temperatures are similar in November and April, but it’s a bit rainier with increased humidity. Monsoon season usually runs from the end of April to October, during this time, you can expect strong winds, rough seas and above-average downpours and rain showers.
British citizens must have a valid passport to visit Thailand. By law, you must carry your passport with you at all times. British passport holders can visit Thailand for 60 days without obtaining a visa in advance of arrival. For the most up-to-date passport and visa info, visit www.gov.uk/foreign-travel-advice/thailand/entry-requirements
From 1st May 2025 it's obligatory for all visitors to Thailand to complete the Thailand Digital Arrival Card (TDAC) 3 days before arrival to avoid being denied entry. You’ll need to do this via the official Thai government website or the Thailand Pass app. Have your travel itinerary, accommodation details and passports to hand. Once completed, download the QR code and present it to Thailand immigration upon arrival. And just so you know, you’ll need to show it again when you leave Thailand.
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Don't forget to arrange your travel money and insurance before you go.
You should take out comprehensive travel and medical insurance to cover you while you’re away. For the latest health and safety information, visit www.gov.uk/foreign-travel-advice/thailand/health
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