March · Thailand
Best time to visit Koh Lanta in March Weather, crowds & prices
Weather in Koh Lanta in March
Average temperature 28°C, 72 mm of rain, about 29 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
March score
8.7/10
Ranked #2 of 12 months
- Avg temp
- 28°C
- Rainfall
- 72 mm
- Humidity
- 78%
- Days with 6h+ sun
- 29
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
March in Koh Lanta scores 8.7/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 28°C, 72 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Koh Lanta's quiet beaches and long sunsets suit families and travellers avoiding the crowds.
March in Koh Lanta — one of the year's strongest windows (2nd)
Days in March average 28°C (82°F) and humidity near 78% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 72 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 11.9 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Koh Lanta at 8.7/10 (2nd of 12), just behind February at 8.7/10.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Koh Lanta in March?
- In March, Koh Lanta averages 28°C, 72 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 8.7/10.
- Is March a good time to visit Koh Lanta?
- March earns a 8.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Koh Lanta in March?
- Expect about 72 mm of rain in March. Average humidity is 78% and there are about 29 days with 6+ hours of sunshine.
Curated in Koh Lanta
Tickets & experiences
Things to do in Koh Lanta
Koh Lanta, Thailand. Live activities and tours from GetYourGuide, matched to this destination.