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Traveler Guide to Seasons & Weather in Thailand

Winter in Thailand

Winter in Thailand (November to February) is also called the cool season, or the dry season. This is the most pleasant time to visit Thailand, with daytime temperatures of about 32°C during the day and cooling to 16°C at night.
Although winter is considered the dry season for most of inland Thailand, September to December is the rainy season for the east coast, where you’ll find the towns of Koh Samui, Koh Phangan and Koh Tao.
Average Temperature °C = 25°C Average Temperature °F = 77°F

Summer in Thailand

Summer in Thailand (March to June) is the hot season, and daytime temperatures range between 33-48°C, staying above 27°C even through the night. May and June start to get rainier, especially along the southern coasts, as they usher in the southwest monsoon.
Average Temperature °C = 29°C Average Temperature °F = 84°F

Monsoon in Thailand

The monsoon season in Thailand (July to November) is hot, with temperatures hovering around 32°C during the day and dropping to 16°C during the night. You can expect heavy downpours occurring around 5pm every afternoon.
April to October bring the most rain and storms along the Andaman coast, including Phuket, Krabi and the Phi Phi islands, which runs along western Thailand.
Average Temperature °C = 27°C Average Temperature °F = 81°F