Thailand Infos
← All places

Weather in Koh Lanta

Krabi · Andaman Sea

Here you can see how warm it gets in Koh Lanta month by month, how much rain falls and when the best time to visit is. The figures are long-term averages from the Thai weather service, not a forecast.

Best time to visitDecember to Februarylittle rain, not too hot
Wettest month
330 mm
in September
Hottest month
34 °C
by day in February, March and April
Coolest night
24 °C
in January, February, October, November and December

Koh Lanta through the yearTemperature and rain

Climate by month for Koh Lanta: highest temperature and rain
All values as a table
Highest temperature and rain per month, Thai Meteorological Department (TMD), climate averages 1981 to 2010, rounded
MonthKoh Lanta (Andaman Sea)
Jan33° / 24° at night · 15 mm
Feb34° / 24° at night · 18 mm
Mar34° / 25° at night · 60 mm
Apr34° / 25° at night · 119 mm
May32° / 25° at night · 245 mm
Jun32° / 25° at night · 258 mm
Jul32° / 25° at night · 296 mm
Aug31° / 25° at night · 304 mm
Sept31° / 25° at night · 330 mm
Oct31° / 24° at night · 325 mm
Nov31° / 24° at night · 147 mm
Dec31° / 24° at night · 56 mm

Source: Thai Meteorological Department (TMD), climate averages 1981 to 2010, rounded. Temperature = average daily high, rain = monthly total. Individual years can differ considerably.

Weather in Koh Lanta month by month

Koh Lanta in January

In January, daytime temperatures in Koh Lanta average 33 °C, with 24 °C at night. With around 15 millimetres of rain, January is very dry. It is part of the best time to visit.

Koh Lanta in February

In February, daytime temperatures in Koh Lanta average 34 °C, with 24 °C at night. With around 18 millimetres of rain, February is very dry. It is part of the best time to visit.

Koh Lanta in March

In March, daytime temperatures in Koh Lanta average 34 °C, with 25 °C at night. With around 60 millimetres of rain, March is fairly dry with occasional showers.

Koh Lanta in April

In April, daytime temperatures in Koh Lanta average 34 °C, with 25 °C at night. With around 119 millimetres of rain, April is a rainy season month.

Koh Lanta in May

In May, daytime temperatures in Koh Lanta average 32 °C, with 25 °C at night. With around 245 millimetres of rain, May is a rainy season month.

Koh Lanta in June

In June, daytime temperatures in Koh Lanta average 32 °C, with 25 °C at night. With around 258 millimetres of rain, June is very wet.

Koh Lanta in July

In July, daytime temperatures in Koh Lanta average 32 °C, with 25 °C at night. With around 296 millimetres of rain, July is very wet.

Koh Lanta in August

In August, daytime temperatures in Koh Lanta average 31 °C, with 25 °C at night. With around 304 millimetres of rain, August is very wet.

Koh Lanta in September

In September, daytime temperatures in Koh Lanta average 31 °C, with 25 °C at night. With around 330 millimetres of rain, September is very wet. This is the wettest month of the year.

Koh Lanta in October

In October, daytime temperatures in Koh Lanta average 31 °C, with 24 °C at night. With around 325 millimetres of rain, October is very wet.

Koh Lanta in November

In November, daytime temperatures in Koh Lanta average 31 °C, with 24 °C at night. With around 147 millimetres of rain, November is a rainy season month.

Koh Lanta in December

In December, daytime temperatures in Koh Lanta average 31 °C, with 24 °C at night. With around 56 millimetres of rain, December is dry. It is part of the best time to visit.

Frequently asked questions about the weather in Koh Lanta

When is the best time to visit Koh Lanta?

The best time to visit Koh Lanta is December to February. In these months an average of 15 to 56 millimetres of rain falls, and daytime temperatures reach 31 to 34 °C.

When is the rainy season in Koh Lanta?

On average, more than 100 millimetres of rain a month fall in Koh Lanta from April to November. The most rain falls in September, with around 330 millimetres, the least in January, with around 15 millimetres.

When is it hottest in Koh Lanta?

It is hottest in February, March and April, with an average of 34 °C by day. Nights stay warm all year, with lows between 24 and 25 °C.

Getting there, places to stay and day trips: Destination Koh Lanta

Places nearby