Beach Weather
Comprehensive weather and environmental data for Koh Samui
22°-33°CAnnual Temperature
1950mmAnnual Rainfall
27°-30°CSea Temperature
52kmCoastline
FebruaryNow
February Weather
High SeasonOptimal Weather
Temperature23° - 29°CFeels like 29° - 31°C
Humidity70%high
Rainfall65mm4 rainy days
Sunshine9 hrs/dayClearest month; bright
Wind17-20 km/hNortheast
Waves0.4-0.8mSmooth
Sea Temperature28°CWarm, pleasant
Water Visibility25-35mgood
Best For This Month
Rainfall Pattern:Driest month; occasional light rain
UV Index
11Extreme
Peak Hours: 10 AM - 3 PM
Burn Time: 15-20 minutes
SPF 50+ sunscreen mandatory. Reapply every 2 hours.
Air Quality
38Good
PM2.5: 10-12 µg/m³
PM10: 14-18 µg/m³
Air quality is satisfactory
Data based on 3-year averages (2023-2026). Actual conditions may vary. Always observe local flag warnings on the beach.