July · Thailand
Best time to visit Koh Lanta in July Weather, crowds & prices
Weather in Koh Lanta in July
Average temperature 27°C, 280 mm of rain, about 18 days with 6+ hours of sunshine and 88% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
5.9/10
Ranked #8 of 12 months
- Avg temp
- 27°C
- Rainfall
- 280 mm
- Humidity
- 88%
- Days with 6h+ sun
- 18
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
July in Koh Lanta scores 5.9/10 for beach and coastal travel - ranked #8 of 12. Expect around 27°C, 280 mm of rain, and roughly 18 days with 6+ hours of sunshine this month.
Koh Lanta's quiet beaches and long sunsets suit families and travellers avoiding the crowds.
July in Koh Lanta: mixed conditions, plan around the weather
July averages 27°C (81°F) and humidity near 88%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
280 mm of rain puts this in monsoon territory — about 18 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 5.9/10 here, 8th of 12 months, against 8.7/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? February scores 2.8 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Koh Lanta in July?
- In July, Koh Lanta averages 27°C, 280 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 5.9/10.
- Is July a good time to visit Koh Lanta?
- July earns a 5.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Koh Lanta in July?
- Expect about 280 mm of rain in July. Average humidity is 88% and there are about 18 days with 6+ hours of sunshine.
Curated in Koh Lanta
Tickets & experiences
Things to do in Koh Lanta
Koh Lanta, Thailand. Live activities and tours from GetYourGuide, matched to this destination.