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Ko Lanta Weather in January
January in Ko Lanta brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 25°C (77°F). Expect around 46 mm (1.8 in) of rainfall during the month.
Rainfall in Ko Lanta in January
Records from the past 30 years suggest around 4 days of rain, with 46 mm (1.8 in) average for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Ko Lanta in January
Daytime highs in Ko Lanta in January reach 31°C (88°F), with nights around 25°C (77°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Ko Lanta in January
Expect a lot of sunshine this month, with about 197 hours of sun. These sunny conditions add to the overall experience.If you prefer dry days with pleasant temperatures, February typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Ko Lanta Temperature in January
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
13%
Precipitation
46 mm (1.8 in)
Rainy days
4 days
Humidity
75%
Sunshine
197 hours
Percentage Sunshine
Ko Lanta Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ko Lanta - and find the best time to visit.
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Ko Lanta typically stay consistent throughout January, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather records for Ko Lanta in January
Browse day-by-day weather records for Ko Lanta spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ko Lanta historical weather extremes in January
Based on 49 years of weather observations in Ko Lanta between 1976 and 2025, these are the recorded extremes.
- Ko Lanta recorded its highest January temperature of 38°C (100°F) on January 27, 1979.
- On January 10, 1999, Ko Lanta saw its coldest January day with temperatures maxing out at 25°C (77°F).
- Nighttime temperatures dropped to 17°C (63°F) on January 31, 1980, marking the coldest January night on record.
Best Places in Thailand in January
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in January →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Ko Lanta in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Ko Lanta in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling8/10 -
Walking8/10 -
Camping9/10 -
Outdoor sports8/10
Ko Lanta 3-Day Forecast
More climate data for Ko Lanta
Temperature Rainfall Sunshine Humidity
See the full Ko Lanta climate overview or explore weather in Thailand.
Popular in January
Where to go in January - average daytime high across popular destinations.
Bangkok
33°C (91°F) Ao Nang Beach
31°C (88°F) Jomtien Beach31°C (88°F) Chiang Mai31°C (88°F) Ko Lanta31°C (88°F) Hua Hin30°C (86°F) Patong Beach30°C (86°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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