TH Koh Lanta · Summer

Visit Koh Lanta
in July?

Good window in July — February is a notch above.

Open-Meteo · 10 years · 12 months compared · 7.53°N 99.04°E
86°FMax temperature
73%Rainy days
10.4hSunshine / day

Koh Lanta weather in July

✅ Good
🌡️ Temperature min / max
79°F – 86°F
🌧 Rainy days
73% of days
☀️ Sunshine
10.4h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.1/10
📅 📅 Best month
February (7.8/10)

Should you visit Koh Lanta in July?

✅ 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 : ███████░░░ 73%
🌡 Temperature : ████████░░ 86°F
☀️ Sunshine : ███████░░░ 10.4h/d

Our take: Koh Lanta in July: 86°F and 10.4h of sunshine. Decent, but not the peak.

Koh Lanta in July by trip type

What to expect in July

In the height of summer, Koh Lanta sees high temperatures (30°F). Heat is a factor for outdoor activities. With 73% 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 July, Koh Lanta averages 86°F, 73% rainy days and 10.4h of sunshine per day. Overall weather score: 7.1/10. See methodology →

July vs February (best month)

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

FAQ — Koh Lanta in July

Is July a good time to visit Koh Lanta?
July is an acceptable time for Koh Lanta (score 7.1/10). Conditions are decent but not optimal — consider February (7.8/10) if possible.
Does it rain a lot in Koh Lanta in July?
Yes, 73% of days see rain in July. Plan some indoor activities as backup.

Find a place to stay in Koh Lanta

Find places to stay in Koh Lanta in July 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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