Koh Samui
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Koh Samui Weather in February

Koh Samui in February sees high temperatures, with highs around 29°C (84°F) and overnight lows of 26°C (79°F). It's the driest month of the year, with very little rainfall to worry about.

Rainfall in Koh Samui in February

Enjoy minimal rain interruptions this month. It's an excellent time for outdoor plans, from sports to festivals. Typically, about 5 days will experience rainfall, with an average of 44 mm (1.7 in) for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Koh Samui in February

February is a excellent month in Koh Samui, with 29°C (84°F) during the day and 26°C (79°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.

Sunshine in Koh Samui in February

The month enjoys around 215 hours of sunshine, creating mostly sunny days with good weather conditions.

Average water temperature in February

At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and February typically offer the best weather for Koh Samui.

Koh Samui Temperature in February

Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
28°C (82°F)
Chance of Rain
16%
Precipitation
44 mm (1.7 in)
Rainy days
5 days
Humidity
82%
Sunshine
215 hours
Percentage Sunshine

Koh Samui Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Koh Samui - and find the best time to visit.

Daily Historical Temperatures

48-year average (1976-2025)

Based on our historical records, temperatures in Koh Samui typically stay consistent throughout February, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in February

Daily Historical Precipitation

48-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in February

Historical weather records for Koh Samui in February

Browse day-by-day weather records for Koh Samui spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Koh Samui historical weather extremes in February

The extremes listed below come from historical weather data collected in Koh Samui from 1982 through 2026.

  • The warmest day in February was on February 21, 1991, with a maximum of 34°C (93°F).
  • Koh Samui experienced its chilliest February day on February 6, 1996, reaching only 25°C (77°F).
  • The lowest overnight temperature recorded in February was 19°C (66°F) (February 3, 2014).

Best Places in Thailand in February

Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in February →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Koh Samui in February

Warm temperatures in February make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Koh Samui in February

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    9/10
  • Outdoor sports
    8/10

Koh Samui 3-Day Forecast

More climate data for Koh Samui

Popular in February

Where to go in February - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.