TH Koh Lanta · Winter

Koh Lanta weather
in December

Koh Lanta in December: solid, though February remains peak.

Open-Meteo · 10 years · 12 months compared · 7.53°N 99.04°E
86°FMax temperature
51%Rainy days
11.0hSunshine / day

Koh Lanta weather in December

✅ Good
🌡️ Temperature min / max
77°F – 86°F
🌧 Rainy days
51% of days
☀️ Sunshine
11.0h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
7.4/10
📅 📅 Best month
February (7.8/10)

Should you visit Koh Lanta in December?

✅ Good

✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.

❌ No if: you're planning 100% outdoor activities — rain is frequent.

🌧 Rain : █████░░░░░ 51%
🌡 Temperature : ████████░░ 86°F
☀️ Sunshine : ████████░░ 11.0h/d

Our take: Favourable conditions in December (7.4/10). February scores higher but the gap is small.

Koh Lanta in December by trip type

What to expect in December

Even in winter, Koh Lanta enjoys 30°F. A real asset for escaping the European cold. With 51% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. February (7.8/10) is significantly better if possible.

All months for Koh Lanta

Month-by-month comparison

MonthMin °FMax °FRain %Precip inSun h/dScore
🌤️ January77°F88°F36%0.1in11.0h7.7/10
☀️ February77°F90°F23%0.0in11.1h7.8/10
🌤️ March79°F90°F33%0.1in11.2h7.6/10
⛅ April79°F88°F69%0.2in11.2h7.1/10
🌦️ May79°F86°F87%0.3in10.1h7.0/10
⛅ June79°F86°F76%0.3in10.5h7.1/10
⛅ July79°F86°F73%0.3in10.4h7.1/10
⛅ August79°F84°F82%0.3in10.6h7.1/10
⛅ September79°F84°F84%0.4in10.2h7.0/10
🌧️ October77°F84°F87%0.4in9.4h7.0/10
🌧️ November77°F84°F86%0.3in9.1h7.0/10
🌤️ December77°F86°F51%0.2in11.0h7.4/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Koh Lanta averages 86°F, 51% rainy days and 11.0h of sunshine per day. Overall weather score: 7.4/10. See methodology →

December vs February (best month)

The best month is February (score 7.8/10). Difference:

FAQ — Koh Lanta in December

Is December a good time to visit Koh Lanta?
December is an acceptable time for Koh Lanta (score 7.4/10). Conditions are decent but not optimal — consider February (7.8/10) if possible.
Does it rain a lot in Koh Lanta in December?
Yes, 51% of days see rain in December. Plan some indoor activities as backup.

Find a place to stay in Koh Lanta

Find places to stay in Koh Lanta in December Search on Hotels.com

Activities and tours in Koh Lanta

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

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Real-time data with ECMWF seasonal corrections · updated daily

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