Ko Samui When to Travel

If you want to find out when to travel based on the weather, you've found the right place. Choose from parameters such as temperature, sea temperature and sunshine hours to find your ideal holiday based on the month when the weather is best.

Ko Samui Weather Thailand Summary Ko Samui Climate Ko Samui Today Ko Samui Forecast Ko Samui When Best
Ko Samui Weather Thailand Summary Ko Samui Climate Ko Samui Today Ko Samui Forecast Ko Samui When Best

Below are the default criteria for the Ko Samui Best Weather Guide.
Click here to change the 'When to Travel' weather criteria.

When to Travel to Ko Samui for
Max Daytime Temperature: Warm 22-30°C [remove]
Sunshine Hours: 10 hours or more [remove]
Weather Score for Ko Samui in January is 80%Weather Score for Ko Samui in February is 89%Weather Score for Ko Samui in March is 69%Weather Score for Ko Samui in April is 63%Weather Score for Ko Samui in May is 46%Weather Score for Ko Samui in June is 52%Weather Score for Ko Samui in July is 59%Weather Score for Ko Samui in August is 59%Weather Score for Ko Samui in September is 59%Weather Score for Ko Samui in October is 65%Weather Score for Ko Samui in November is 71%Weather Score for Ko Samui in December is 71%
J F M A M J J A S O N D
Max Daytime Temperature (°C) 30°C (86°F) Max Daytime Temperature in January in Ko Samui 31°C (88°F) Max Daytime Temperature in February in Ko Samui 33°C (91°F) Max Daytime Temperature in March in Ko Samui 34°C (93°F) Max Daytime Temperature in April in Ko Samui 34°C (93°F) Max Daytime Temperature in May in Ko Samui 33°C (91°F) Max Daytime Temperature in June in Ko Samui 32°C (90°F) Max Daytime Temperature in July in Ko Samui 32°C (90°F) Max Daytime Temperature in August in Ko Samui 32°C (90°F) Max Daytime Temperature in September in Ko Samui 31°C (88°F) Max Daytime Temperature in October in Ko Samui 29°C (84°F) Max Daytime Temperature in November in Ko Samui 29°C (84°F) Max Daytime Temperature in December in Ko Samui
Min Night-time Temperature (°C) 21°C (70°F) Min Night-time Temperature in January in Ko Samui 21°C (70°F) Min Night-time Temperature in February in Ko Samui 22°C (72°F) Min Night-time Temperature in March in Ko Samui 23°C (73°F) Min Night-time Temperature in April in Ko Samui 24°C (75°F) Min Night-time Temperature in May in Ko Samui 24°C (75°F) Min Night-time Temperature in June in Ko Samui 23°C (73°F) Min Night-time Temperature in July in Ko Samui 23°C (73°F) Min Night-time Temperature in August in Ko Samui 23°C (73°F) Min Night-time Temperature in September in Ko Samui 23°C (73°F) Min Night-time Temperature in October in Ko Samui 22°C (72°F) Min Night-time Temperature in November in Ko Samui 22°C (72°F) Min Night-time Temperature in December in Ko Samui
Hours of Sunshine (Daily) 7 Hours of Bright Sunshine per day (64% of Daylight Hours) in January in Ko Samui 9 Hours of Bright Sunshine per day (72% of Daylight Hours) in February in Ko Samui 8 Hours of Bright Sunshine per day (70% of Daylight Hours) in March in Ko Samui 8 Hours of Bright Sunshine per day (64% of Daylight Hours) in April in Ko Samui 6 Hours of Bright Sunshine per day (51% of Daylight Hours) in May in Ko Samui 6 Hours of Bright Sunshine per day (46% of Daylight Hours) in June in Ko Samui 6 Hours of Bright Sunshine per day (48% of Daylight Hours) in July in Ko Samui 6 Hours of Bright Sunshine per day (47% of Daylight Hours) in August in Ko Samui 6 Hours of Bright Sunshine per day (47% of Daylight Hours) in September in Ko Samui 6 Hours of Bright Sunshine per day (48% of Daylight Hours) in October in Ko Samui 6 Hours of Bright Sunshine per day (47% of Daylight Hours) in November in Ko Samui 6 Hours of Bright Sunshine per day (54% of Daylight Hours) in December in Ko Samui
Hours of Daylight (Daily) 12 Hours of Daylight in January in Ko Samui 12 Hours of Daylight in February in Ko Samui 12 Hours of Daylight in March in Ko Samui 12 Hours of Daylight in April in Ko Samui 13 Hours of Daylight in May in Ko Samui 13 Hours of Daylight in June in Ko Samui 13 Hours of Daylight in July in Ko Samui 12 Hours of Daylight in August in Ko Samui 12 Hours of Daylight in September in Ko Samui 12 Hours of Daylight in October in Ko Samui 12 Hours of Daylight in November in Ko Samui 12 Hours of Daylight in December in Ko Samui
Heat and Humidity Discomfort High Heat & Humidity in January in Ko Samui High Heat & Humidity in February in Ko Samui Very High Heat & Humidity in March in Ko Samui Very High Heat & Humidity in April in Ko Samui Very High Heat & Humidity in May in Ko Samui Very High Heat & Humidity in June in Ko Samui Very High Heat & Humidity in July in Ko Samui Very High Heat & Humidity in August in Ko Samui Very High Heat & Humidity in September in Ko Samui High Heat & Humidity in October in Ko Samui High Heat & Humidity in November in Ko Samui Moderate Heat & Humidity in December in Ko Samui
Days with some Rainfall 10 Days with some Rainfall in January in Ko Samui 5 Days with some Rainfall in February in Ko Samui 5 Days with some Rainfall in March in Ko Samui 8 Days with some Rainfall in April in Ko Samui 17 Days with some Rainfall in May in Ko Samui 16 Days with some Rainfall in June in Ko Samui 17 Days with some Rainfall in July in Ko Samui 17 Days with some Rainfall in August in Ko Samui 17 Days with some Rainfall in September in Ko Samui 20 Days with some Rainfall in October in Ko Samui 19 Days with some Rainfall in November in Ko Samui 13 Days with some Rainfall in December in Ko Samui
Monthly Rainfall (mm) 183 mm (7.2 inches) Monthly Rainfall in January in Ko Samui 53 mm (2.1 inches) Monthly Rainfall in February in Ko Samui 67 mm (2.6 inches) Monthly Rainfall in March in Ko Samui 62 mm (2.4 inches) Monthly Rainfall in April in Ko Samui 136 mm (5.4 inches) Monthly Rainfall in May in Ko Samui 87 mm (3.4 inches) Monthly Rainfall in June in Ko Samui 130 mm (5.1 inches) Monthly Rainfall in July in Ko Samui 114 mm (4.5 inches) Monthly Rainfall in August in Ko Samui 120 mm (4.7 inches) Monthly Rainfall in September in Ko Samui 272 mm (10.7 inches) Monthly Rainfall in October in Ko Samui 461 mm (18.1 inches) Monthly Rainfall in November in Ko Samui 242 mm (9.5 inches) Monthly Rainfall in December in Ko Samui
UV Index (Maximum) UV (Maximum) Index 11 (Extreme) in January in Ko Samui UV (Maximum) Index 11+ (Extreme) in February in Ko Samui UV (Maximum) Index 11+ (Extreme) in March in Ko Samui UV (Maximum) Index 11+ (Extreme) in April in Ko Samui UV (Maximum) Index 11+ (Extreme) in May in Ko Samui UV (Maximum) Index 11+ (Extreme) in June in Ko Samui UV (Maximum) Index 11+ (Extreme) in July in Ko Samui UV (Maximum) Index 11+ (Extreme) in August in Ko Samui UV (Maximum) Index 11+ (Extreme) in September in Ko Samui UV (Maximum) Index 11+ (Extreme) in October in Ko Samui UV (Maximum) Index 11 (Extreme) in November in Ko Samui UV (Maximum) Index 10 (Very High) in December in Ko Samui
Sea Temperature (°C) 28°C (82°F) Sea Temperature in January in Ko Samui 28°C (82°F) Sea Temperature in February in Ko Samui 29°C (84°F) Sea Temperature in March in Ko Samui 30°C (86°F) Sea Temperature in April in Ko Samui 30°C (86°F) Sea Temperature in May in Ko Samui 30°C (86°F) Sea Temperature in June in Ko Samui 29°C (84°F) Sea Temperature in July in Ko Samui 29°C (84°F) Sea Temperature in August in Ko Samui 29°C (84°F) Sea Temperature in September in Ko Samui 29°C (84°F) Sea Temperature in October in Ko Samui 29°C (84°F) Sea Temperature in November in Ko Samui 28°C (82°F) Sea Temperature in December in Ko Samui
J F M A M J J A S O N D
Best Weather Month in Ko Samui is February.
 		    
 
Ko Samui Holidays Ko Samui Flights Ko Samui Hotels Ko Samui Hire Cars Ko Samui Villas Ko Samui Transfers
Ko Samui Holidays Ko Samui Flights Ko Samui Hotels Ko Samui Hire Cars Ko Samui Villas Ko Samui Transfers

  Bangkok   Cha Am   Chiang Mai   Chiang Rai   Hat Yai   Hua Hin   Kanchanaburi   Khao Lak   Khao Sok National Park   Khao Yai National Park   Ko Chang   Krabi   Mae Hong Son   Nakhon Ratchasima   Nan   Nong Khai   Pattaya   Phi Phi   Phuket   Sukhothai   Surat Thani   Ubon Ratchathani   Udon Thani  

 		    
 

Ko Samui Weather by Month
Check the weather for a particular month in Ko Samui by selecting a month from the list below. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
   · April
  · May
  · June
   · July
  · August
  · September
   · October
  · November
  · December
Popular Best Weather Month Regions

1.

Cyprus

2.

Tenerife, Canary Islands, Spain

3.

Sharm el-Sheikh, Egypt

4.

Tunisia

5.

Mauritius

6.

Crete, Greece

7.

Dalaman and Marmaris Coast, Turkey

8.

Cape Verde

9.

Rhodes, Greece

10.

Antalya Coast, Turkey
Popular Best Weather Month Destinations

1.

Santa Cruz de Tenerife, Tenerife, Canary Islands, Spain

2.

Nicosia, Cyprus

3.

Sharm el Sheikh Airport, Sharm el-Sheikh, Egypt

4.

Tunis, Tunisia

5.

Port Louis, Mauritius

6.

Khania, Crete, Greece

7.

Dalaman, Dalaman and Marmaris Coast, Turkey

8.

Praia, Santiago, Cape Verde

9.

Rhodes Town, Rhodes, Greece

10.

Antalya, Antalya Coast, Turkey
 		    
 
Facebook Twitter Google+ Pinterest
Best Travel Deals & Special Offers
Caribbean Special Offers from £695
£15 off easyJet holidays
£15 off your lowcostholidays.com booking
Find the Cheapest Flights from the UK
Super Summer Sale - 50% Off Holidays
Useful Travel Resources
Latest Travel Offers
Travel Discount Codes
Climate Change and the Travel Industry
Search by Weather - Destination Finder
Auto Europe
Weather to Travel Guide Book