Hat Chaweng

Beach

Chaweng Beach on Koh Samui runs a long stretch of sand and surf; tourists come for swimming, jet-skiing, night markets and a wide range of beachfront restaurants and bars.

Hat Chaweng (Chaweng Beach) is the principal tourist beach on Koh Samui, Thailand, known for its long white-sand shoreline and active seaside hospitality district. The beach extends for about 7 km along the island’s east coast and is the island’s busiest area for hotels, restaurants and nightlife.

The shoreline is used for swimming, sunbathing and water sports during the day, while the adjoining town and beach road provide a concentrated strip of bars, clubs and eateries after dark. The beach is heavily developed and forms the core of Koh Samui’s resort infrastructure.

Chaweng is located on the east coast of Koh Samui, approximately 6 km from Samui International Airport and a short drive from other island attractions.

  • Length and character: The main beach stretches roughly 7 km and is Koh Samui's busiest shoreline, with a dense strip of hotels, bars and restaurants along the beachfront road.
  • When to go: Nightlife and dining are concentrated along the parallel Chaweng Beach Road and the beachfront; early morning offers the calmest sea conditions for swimming.
Hat Chaweng
Chaweng Beach (Hat Chaweng), Koh Samui, Surat Thani, Thailand
9.5300, 100.0800
Open 24 hours
Free

Tips for Visiting Hat Chaweng #

  • Go at dawn for a wide, photogenic stretch of sand and far fewer people; early mornings also give clearer water for swimming and snorkeling.
  • Use the central access off Chaweng Beach Road to reach the main beach quickly; if you want quieter stretches walk toward the northern or southern ends where hotels thin out.
  • Avoid the evening nightlife strip if you want peace - head to the beach before sunset or pick a quieter section farther from central Chaweng to escape the crowds and bars.

Best Time to Visit Hat Chaweng #

For the best beach weather and calm seas, go January-April; expect the most crowds then and more rain around September-November.

Dry / peak season (best time)
January-April · ~25-33°C
Sunny, calm seas and reliably beach-friendly weather - busiest time for Chaweng Beach and nearby services.
Shoulder season
May and December · ~25-32°C
Fewer crowds than peak months; conditions can still be good for beach activities though brief showers may occur.
Rainy season
September-November · ~24-30°C
More frequent heavy showers and rougher seas; visitor numbers are lower and some water activities may be limited.

Weather & Climate near Hat Chaweng #

Climate

Hat Chaweng's climate is classified as Tropical Monsoon - Tropical Monsoon climate with consistently warm temperatures year-round. Temperatures range from 23°C to 33°C. Abundant rainfall (1686 mm/year), wettest in November.

Air Quality: AQI 54 Moderate
Best Time to Visit
FebruaryJanuaryMarch
Temperature & Rainfall
Temperature Range
33°
Warmest Month
24°
Coldest Month
Monthly Conditions

January

January is warm with muggy conditions (dew point 23°C). Moderate rainfall (77 mm) and partly cloudy skies.

77 Very Good

Comfort

27°
Feels Like Warm
27°C
Temperature
24° 30°
80%
Humidity
Very Humid

Weather

77 mm
Rainfall
2.5 m/s
Wind
Calm
1.9
UV Index
Very High
11.5h daylight

February

February is hot, feeling like 30°C due to high humidity. Moderate rainfall (45 mm) and partly cloudy skies.

85 Excellent

Comfort

30°
Feels Like Hot
27°C
Temperature
24° 30°
79%
Humidity
Very Humid

Weather

45 mm
Rainfall
2.3 m/s
Wind
Calm
2.2
UV Index
Extreme
11.7h daylight

March

March is hot, feeling like 32°C due to high humidity. Moderate rainfall (65 mm) and partly cloudy skies.

75 Very Good

Comfort

33°
Feels Like Hot
28°C
Temperature
25° 32°
78%
Humidity
Very Humid

Weather

65 mm
Rainfall
2.1 m/s
Wind
Calm
2.5
UV Index
Extreme
12.0h daylight

April

April is hot, feeling like 34°C due to high humidity. Moderate rainfall (71 mm) and partly cloudy skies.

69 Good

Comfort

35°
Feels Like Hot
29°C
Temperature
26° 33°
77%
Humidity
Very Humid

Weather

71 mm
Rainfall
1.9 m/s
Wind
Calm
2.5
UV Index
Extreme
12.2h daylight

May

May is the hottest month, feeling like 35°C due to high humidity. Significant rainfall (129 mm) and mostly overcast skies.

57 Acceptable

Comfort

35°
Feels Like Hot
29°C
Temperature
25° 33°
78%
Humidity
Very Humid

Weather

129 mm
Rainfall
1.6 m/s
Wind
Calm
2.3
UV Index
Extreme
12.4h daylight

June

June is hot, feeling like 34°C due to high humidity. Regular rainfall (91 mm) and mostly overcast skies.

61 Good

Comfort

34°
Feels Like Hot
29°C
Temperature
25° 32°
80%
Humidity
Very Humid

Weather

91 mm
Rainfall
1.7 m/s
Wind
Calm
2.1
UV Index
Extreme
12.5h daylight

July

July is hot, feeling like 34°C with oppressive humidity. Regular rainfall (92 mm) and mostly overcast skies.

61 Good

Comfort

34°
Feels Like Hot
29°C
Temperature
25° 32°
80%
Humidity
Very Humid

Weather

92 mm
Rainfall
1.7 m/s
Wind
Calm
2.2
UV Index
Extreme
12.5h daylight

August

August is hot, feeling like 34°C with oppressive humidity. Significant rainfall (101 mm) and mostly overcast skies.

59 Acceptable

Comfort

34°
Feels Like Hot
29°C
Temperature
25° 32°
81%
Humidity
Very Humid

Weather

101 mm
Rainfall
1.9 m/s
Wind
Calm
2.3
UV Index
Extreme
12.3h daylight

September

September is hot, feeling like 32°C with oppressive humidity. Significant rainfall (126 mm) and mostly overcast skies.

59 Acceptable

Comfort

33°
Feels Like Hot
28°C
Temperature
25° 32°
81%
Humidity
Very Humid

Weather

126 mm
Rainfall
1.6 m/s
Wind
Calm
2.2
UV Index
Extreme
12.1h daylight

October

October is hot, feeling like 31°C with oppressive humidity. Heavy rain (265 mm) and mostly overcast skies.

63 Good

Comfort

31°
Feels Like Hot
28°C
Temperature
24° 31°
81%
Humidity
Very Humid

Weather

265 mm
Rainfall
1.4 m/s
Wind
Calm
1.9
UV Index
Very High
11.8h daylight

November

November is warm with stifling humidity (dew point 24°C). The wettest month with heavy rain (425 mm) and mostly overcast skies.

63 Good

Comfort

27°
Feels Like Warm
27°C
Temperature
24° 30°
81%
Humidity
Very Humid

Weather

425 mm
Rainfall
1.8 m/s
Wind
Calm
1.7
UV Index
Very High
11.6h daylight

December

December is warm with muggy conditions (dew point 23°C). Significant rainfall (199 mm) and mostly overcast skies.

67 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
23° 29°
80%
Humidity
Very Humid

Weather

199 mm
Rainfall
2.4 m/s
Wind
Calm
1.7
UV Index
Very High
11.5h daylight

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