Ko Samui weather in February
February in Ko Samui: hot, a little rain, with very humid — an excellent time to visit.
#3 of 12 months in Ko Samui · #153 of 604 destinations to visit in February · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Ko Samui climate normals — February
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 55 mm / 2.1 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 11.8 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 53 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ko Samui in February — FAQ
- Is February a good time to visit Ko Samui?
- February in Ko Samui: hot, a little rain, with very humid — an excellent time to visit. It ranks #3 of 12 months for Ko Samui on SeasonMap's comfort score (83/100).
- What is the weather like in Ko Samui in February?
- In February, Ko Samui averages a daily high of 28.2°C and a low of 26.1°C, with about 54.5 mm of rain over roughly 9.2 rainy days.
- What is the air quality in Ko Samui in February?
- Ko Samui has a mean US Air Quality Index of about 53 in February.