February · Thailand
Best time to visit Koh Samui in February Weather, crowds & prices
Weather in Koh Samui in February
Average temperature 24°C, 79 mm of rain, about 27 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
February score
8.5/10
Ranked #4 of 12 months
- Avg temp
- 24°C
- Rainfall
- 79 mm
- Humidity
- 78%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
February in Koh Samui scores 8.5/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 24°C, 79 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Koh Samui's ring road links Chaweng's beach, Bophut's Fisherman's Village, and the Big Buddha on the north coast.
February is one of the strongest months in Koh Samui (4th)
With 24°C (76°F) on average, February delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
Budget for roughly 79 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 11.8 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Koh Samui at 8.5/10 (4th of 12), just behind March at 9.3/10.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Koh Samui in February?
- In February, Koh Samui averages 24°C, 79 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 8.5/10.
- Is February a good time to visit Koh Samui?
- February earns a 8.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Koh Samui in February?
- Expect about 79 mm of rain in February. Average humidity is 78% and there are about 27 days with 6+ hours of sunshine.
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Koh Samui, Thailand. Live activities and tours from GetYourGuide, matched to this destination.