Things to Do in Koh Samui in August
August weather, activities, events & insider tips
August Weather in Koh Samui
34°C (93°F)
High Temp
26°C (79°F)
Low Temp
180 mm (7.1 inches)
Rainfall
70%
Humidity
Is August Right for You?
Advantages
- Lowest tourist season means significantly cheaper accommodation rates
- Fewer crowds at popular attractions and beaches
- Lush green landscapes from occasional rainfall
- Perfect conditions for photography with dramatic cloud formations
Considerations
- Frequent afternoon rain showers can disrupt outdoor plans
- Some water activities might have limited visibility due to rainfall
- Higher humidity makes extended outdoor activities challenging
Best Activities in August
Island Hopping Tours
August offers unique marine conditions with fewer tourists, allowing more intimate exploration of nearby islands like Ang Thong Marine Park. Occasional rain creates dramatic skyscapes perfect for photography.
Booking Tip: Book tours 7-10 days in advance. Look for operators offering flexible rescheduling due to potential rain. Typical tours range ฿2,500-3,500 per person.
Temple and Cultural Cycling Routes
Cooler morning temperatures make cycling ideal. Explore local temples and rural landscapes with fewer tourists. Rain creates stunning green backdrops for cultural exploration.
Booking Tip: Rent bikes with rain protection. Morning tours recommended. Bicycle rentals typically ฿200-400 per day.
Wellness and Spa Experiences
Perfect month for indoor wellness activities. Lower tourist numbers mean more personalized treatments and potential off-peak pricing for luxury spa experiences.
Booking Tip: Book spa packages 3-5 days in advance. Look for packages combining multiple treatments. Typical wellness experiences range ฿1,500-4,000.
Cooking Classes and Culinary Experiences
Indoor cooking classes provide excellent rainy day alternative. August's produce offers unique seasonal ingredients for authentic Thai cooking experiences.
Booking Tip: Choose classes with indoor facilities. Book 2-3 days ahead. Typical classes range ฿1,200-2,500 per person.
Essential Tips
What to Pack
Lightweight, quick-dry clothing in breathable fabrics
Waterproof jacket with hood (packable, weighing under 300g/10 oz)
Water-resistant hiking shoes with good grip
High SPF 50+ sunscreen for intense UV conditions
Compact travel umbrella (under 30 cm/12 inches when folded)
Moisture-wicking underwear and socks
Electrolyte replacement powder for hydration
Waterproof phone case
Lightweight microfiber towel
Insect repellent with DEET
Insider Knowledge
Early morning and late afternoon offer best outdoor exploration windows
Local markets are least crowded between 7-9am
Many restaurants offer discounted set menus during low season
Negotiate accommodation rates - August is definitely a buyer's market
Avoid These Mistakes
Not bringing appropriate rain gear
Overplanning outdoor activities without flexibility
Failing to check weather forecasts daily