Ko Samui Climate Guide

The Climate Guide for Ko Samui, Thailand is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

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
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 32°C (90°F) Max Daytime Temperature in March in Ko Samui 33°C (91°F) Max Daytime Temperature in April in Ko Samui 33°C (91°F) Max Daytime Temperature in May in Ko Samui 32°C (90°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) 22°C (72°F) Min Night-time Temperature in January in Ko Samui 23°C (73°F) Min Night-time Temperature in February in Ko Samui 23°C (73°F) Min Night-time Temperature in March in Ko Samui 24°C (75°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 24°C (75°F) Min Night-time Temperature in July in Ko Samui 24°C (75°F) Min Night-time Temperature in August in Ko Samui 24°C (75°F) Min Night-time Temperature in September in Ko Samui 23°C (73°F) Min Night-time Temperature in October in Ko Samui 23°C (73°F) Min Night-time Temperature in November in Ko Samui 23°C (73°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 Very High Heat & Humidity in October in Ko Samui High Heat & Humidity in November in Ko Samui High Heat & Humidity in December in Ko Samui
Days with some Rainfall 9 Days with some Rainfall in January in Ko Samui 4 Days with some Rainfall in February in Ko Samui 4 Days with some Rainfall in March in Ko Samui 8 Days with some Rainfall in April in Ko Samui 16 Days with some Rainfall in May in Ko Samui 15 Days with some Rainfall in June in Ko Samui 16 Days with some Rainfall in July in Ko Samui 16 Days with some Rainfall in August in Ko Samui 18 Days with some Rainfall in September in Ko Samui 19 Days with some Rainfall in October in Ko Samui 20 Days with some Rainfall in November in Ko Samui 13 Days with some Rainfall in December in Ko Samui
Monthly Rainfall (mm) 95 mm (3.7 inches) Monthly Rainfall in January in Ko Samui 24 mm (0.9 inches) Monthly Rainfall in February in Ko Samui 36 mm (1.4 inches) Monthly Rainfall in March in Ko Samui 79 mm (3.1 inches) Monthly Rainfall in April in Ko Samui 156 mm (6.1 inches) Monthly Rainfall in May in Ko Samui 105 mm (4.1 inches) Monthly Rainfall in June in Ko Samui 127 mm (5.0 inches) Monthly Rainfall in July in Ko Samui 116 mm (4.6 inches) Monthly Rainfall in August in Ko Samui 154 mm (6.1 inches) Monthly Rainfall in September in Ko Samui 250 mm (9.8 inches) Monthly Rainfall in October in Ko Samui 437 mm (17.2 inches) Monthly Rainfall in November in Ko Samui 172 mm (6.8 inches) Monthly Rainfall in December in Ko Samui
Chance of Ground Frost No Chance of Ground Frost in January in Ko Samui No Chance of Ground Frost in February in Ko Samui No Chance of Ground Frost in March in Ko Samui No Chance of Ground Frost in April in Ko Samui No Chance of Ground Frost in May in Ko Samui No Chance of Ground Frost in June in Ko Samui No Chance of Ground Frost in July in Ko Samui No Chance of Ground Frost in August in Ko Samui No Chance of Ground Frost in September in Ko Samui No Chance of Ground Frost in October in Ko Samui No Chance of Ground Frost in November in Ko Samui No Chance of Ground Frost 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

Ko Samui Climate Zone

Ko Samui has a hot tropical climate with a short dry season.

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

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Ko Samui Weather by Month

Check the weather for a particular month in Ko Samui by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Ko Samui. 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 Climate Guide Regions

1.

Thailand

2.

Maldives

3.

Barbados

4.

Dominican Republic

5.

Cancun and Riviera Maya, Mexico

6.

Cuba

7.

Sri Lanka

8.

Antigua

9.

Goa, India

10.

Jamaica

Popular Climate Guide Destinations

1.

Cape Town, South Africa

2.

Mombasa, Kenya

3.

Sydney, New South Wales, Australia

4.

Bangkok, Thailand

5.

Male, Maldives

6.

Bridgetown, Barbados

7.

Santo Domingo, Dominican Republic

8.

Cancun, Cancun and Riviera Maya, Mexico

9.

Havana, Cuba

10.

Colombo, Sri Lanka


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