Thailand in March: Weather, Crowds and What to Expect

· 1 min read Practical
Limestone cliffs and turquoise lagoon, Krabi — Thailand in March

Thailand’s geography creates distinct regional weather patterns — the Andaman Coast (Phuket, Krabi, Koh Phi Phi) and Gulf Coast (Koh Samui, Koh Phangan) have opposite monsoon seasons. Understanding which applies to your destination in March is the key planning question.

Weather in March

Late dry season. Very good conditions, rising temperatures, and some smoke haze in the north. The beaches and islands are excellent throughout March.

Where to Go in Thailand in March

Planning

See the best time to visit Thailand for a full seasonal comparison, or the Thailand budget guide for cost planning.

Frequently Asked Questions

Is March still good weather in Thailand?
March is in dry season and conditions are very good, particularly in the first half. Temperatures are rising (30–35°C) and the air becomes hazy in the north (smoke from field burning). The south is still excellent for beaches.
Is March good for diving in Thailand?
March is excellent for diving in both the Andaman Sea (Phuket, Similan Islands) and the Gulf of Thailand. The Similan Islands liveaboard season peaks in February–April — book well ahead.
Is it crowded in Thailand in March?
Yes — March is still high season and popular with European visitors. Islands and beach resorts are busy. Book accommodation 4–8 weeks ahead for popular destinations like Koh Samui and Koh Lanta.