Ko Samui
Thailand
Long-term weather forecast
Long-term weather forecast

February weather forecast and climate
Ko Samui, Thailand

The scenic view of the striking Angthong National Marine Park in Ko Samui, Thailand, calm clear water all around
The scenic view of the striking Angthong National Marine Park in Ko Samui, Thailand, calm clear water all around
February, the last month of the winter, in Ko Samui, is also a moderately hot month, with average temperature fluctuating between 25°C (77°F) and 29.4°C (84.9°F).
An excellent water temperature of 28.1°C (82.6°F) and only 5 rainfall days, with 54.4mm (2.1") of accumulated rainfall, makes February a prime for swimming and other water activities.

Temperature

In Ko Samui, the average high-temperature in February is almost the same as in January - a still moderately hot 29.4°C (84.9°F). In Ko Samui, Thailand, in February, the average low-temperature is 25°C (77°F).

Heat index

The average heat index in February is evaluated at a torrid 36.4°C (97.5°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, pregnancy, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity is 82%.

Rainfall

February is the month with the least rainfall. Rain falls for 5 days and accumulates 54.4mm (2.1") of precipitation.

Sea temperature

In Ko Samui, the average water temperature is 28.1°C (82.6°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Ko Samui, Thailand, the average length of the day in February is 11.8h.

Sunshine

With an average of 9h of sunshine, February has the most sunshine of the year.

UV index

Months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: In February, the average maximum UV index of 12 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in February in Ko Samui?

The average high-temperature, in February, is 29.4°C (84.9°F), while the average low-temperature is 25°C (77°F). In February, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines relative humidity and air temperature, is appraised at 36.4°C (97.5°F).

What is the average humidity in February in Ko Samui?

In February, the average relative humidity in Ko Samui, Thailand, is 82%.

How many days does it rain in February in Ko Samui?

In February, in Ko Samui, Thailand, the rain falls for 5 days. Throughout February, 54.4mm (2.1") of precipitation is accumulated.

What is the driest month in Ko Samui?

The month with the least rainfall in Ko Samui is February when the rain falls for 5 days and typically collects 54.4mm (2.1") of precipitation.

What is the sea water temperature in February in Ko Samui?

In Ko Samui, in February, the average water temperature is 28.1°C (82.6°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in February in Ko Samui?

The average length of the day in February in Ko Samui is 11.8h.

What month has the most sunshine in Ko Samui?

With an average of 9h of sunshine, February has the most sunshine of the year in Ko Samui.

How long on average sun shines in February in Ko Samui?

In February, the average sunshine in Ko Samui is 9h.

When is the highest UV index in Ko Samui?

Months with the highest UV index in Ko Samui are February through October, with an average maximum UV index of 12.

What is the UV index intensity in February in Ko Samui?

In February, the average daily maximum UV index in Ko Samui is 12. A UV Index reading of 11, and higher, represents an ultimate hazard to health from unprotected exposure to the UV radiation.
Average temperature in February - Ko Samui, Thailand
  • Average high temperature in February: 29.4°C

The warmest month (with the highest average high temperature) is April (32.6°C).
The month with the lowest average high temperature is January (29°C).

  • Average low temperature in February: 25°C

The month with the highest average low temperature is April (26.1°C).
The coldest month (with the lowest average low temperature) is December (23.9°C).

Average humidity in February - Ko Samui, Thailand
  • Average humidity in February: 82%

Months with the highest relative humidity are October and November (85%).
Months with the lowest relative humidity are June, July and August (78%).

Average rainfall in February - Ko Samui, Thailand
  • Average rainfall in February: 54.4mm

The wettest month (with the highest rainfall) is November (506.6mm).
The driest month (with the lowest rainfall) is February (54.4mm).

Average rainfall days in February - Ko Samui, Thailand
  • Average rainfall days in February: 5 days

Months with the highest number of rainy days are October and November (20 days).
The month with the lowest number of rainy days is March (4 days).

Average sea temperature in February - Ko Samui, Thailand
  • Average sea temperature in February: 28.1°C

The best month for swimming (with the highest average sea temperature) is May (30.1°C).
The coldest month (with the lowest average sea temperature) is January (27.8°C).

Average daylight in February / Average sunshine in February - Ko Samui, Thailand
  • Average daylight in February: 11.8h

The month with the longest days is June (Average daylight: 12.7h).
Months with shortest days are January and December (Average daylight: 11.6h).

  • Average sunshine in February: 9h

The month with most sunshine is February (Average sunshine: 9h).
Months with least sunshine are May, June, July, August, September, October, November and December (Average sunshine: 6).

Average UV index in February - Ko Samui, Thailand
  • Average UV index in February: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).