Ko Lanta Weather in July
During July, Ko Lanta experiences very high daytime temperatures of 30°C (86°F) and cooler nights around 27°C (81°F). July sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Ko Lanta in July
Ko Lanta is in the rainy season in July, with rain on around 19 days and an average of 257 mm (10 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Ko Lanta in July
In July, Ko Lanta gets very high temperatures, with highs of 30°C (86°F). Nights cool to around 27°C (81°F). Mornings and evenings are often more comfortable than the peak afternoon hours. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Ko Lanta in July
The month brings about 114 hours of sunlight, offering a comfortable mix of sun and rainy moments.July in Ko Lanta has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Ko Lanta Temperature in July
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
50-year average (1976-2025)
Based on our historical records, temperatures in Ko Lanta typically stay consistent throughout July, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather records for Ko Lanta in July
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 July
Based on 50 years of weather observations in Ko Lanta between 1976 and 2026, these are the recorded extremes.
- Ko Lanta recorded its highest July temperature of 38°C (100°F) on July 24, 1989.
- The lowest daytime temperature in July was 24°C (75°F), recorded on July 18, 1982.
- Ko Lanta registered its coldest July night on July 21, 1985, with temperatures dropping to 21°C (70°F).
Best Places in Thailand in July
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in July →
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 July
Warm weather calls for comfortable, breathable clothing in July. 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). Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Ko Lanta in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Ko Lanta 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Ko Lanta climate overview or explore weather in Thailand.
Popular in July
Where to go in July - average daytime high across popular destinations.
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