Sun, sea & sand

Koh Lanta weather in March

Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.

85

Holiday weather in March

Excellent

Best time to visit: January – March

What is the weather like in Koh Lanta in March?

In March, Koh Lanta is hot: daytime highs average 31 °C, and even at night it stays warm at around 26 °C. The sea averages 29.5 °C – almost as warm as a bath. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 87 mm in total. On about 23 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is an excellent month for a holiday in Koh Lanta.

March compared

How the weather changes from February to April. Tap a month to open it.

FebruaryFebMarchMarAprilApr
Score948572
Day31°31°30°
Night25°26°26°
Sea29°30°30°
Sun7 h7 h7 h
Rain days51122

More details for March

Daylight
12 h 4 min06:31 – 18:35
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
13 km/haverage daily peakAll months
Cloud cover
61 %on averageAll months
Hot days
23 days30 °C or moreAll months
Time zone
UTC+7Asia/Bangkok

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %72 %
  • Few rainy daysweight 20 %51 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in March

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Koh Lanta in March: quick answers

Is Koh Lanta hot in March?

Yes. In March, Koh Lanta is hot: daytime highs average 31 °C and nights stay around 26 °C. On about 23 days the thermometer climbs to 30 °C or more.

Can you swim in Koh Lanta in March?

Yes. In March the sea averages 29.5 °C – almost as warm as a bath.

Does it rain much in Koh Lanta in March?

Rain is frequent, with about 11 rainy days and 87 mm in total.

Koh Lanta month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences