14-day forecast — Koh Samui
Updated every hour
Sun · Today · 14 Jun
Showers
+30°
+29°
4,3 mm
Mon · Tomorrow · 15 Jun
Showers
+31°
+28°
1,0 mm
Tuesday · 16 Jun
Showers
+31°
+29°
3,6 mm
Wednesday · 17 Jun
Showers
+30°
+29°
4,8 mm
Thursday · 18 Jun
Rain
+29°
+28°
6,3 mm
Friday · 19 Jun
Rain
+27°
+26°
8,6 mm
Saturday · 20 Jun
Partly cloudy
+28°
+27°
0,1 mm
Sunday · 21 Jun
Clear
+29°
+28°
7%
Monday · 22 Jun
Showers
+29°
+28°
0,9 mm
Tuesday · 23 Jun
Showers
+29°
+28°
1,1 mm
Wednesday · 24 Jun
Showers
+29°
+28°
0,4 mm
Thursday · 25 Jun
Showers
+30°
+28°
0,9 mm
Friday · 26 Jun
Showers
+30°
+28°
1,8 mm
Saturday · 27 Jun
Showers
+29°
+28°
0,5 mm
About Koh Samui
Île tropicale du golfe de Thaïlande, plages et chaleur moite.
CountryThailand
RegionGolfe de Thaïlande
ContinentAsia
Time zoneAsia/Bangkok (+07:00)
Latitude9.5120°
Longitude100.0136°
Air qualityFair (EAQI 38)
Climate in Koh Samui in June
Normals 8 years · best time to visit · Open-MeteoBest time to visit Koh Samui: January–December. With good weather, June is a recommended month to visit.
| May | June | July | |
|---|---|---|---|
| Average temperature | → 26°C | 26°C | → 26°C |
| Highest temperature | → 29°C | 29°C | → 29°C |
| Lowest temperature | → 24°C | 24°C | → 24°C |
| Sea temperature | ▼ 32,0°C | 31,0°C | ▼ 30,7°C |
| Precipitation | ▼ 122 mm | 77 mm | ▲ 96 mm |
| Days with precipitation | ▼ 20 d | 17 d | ▲ 18 d |
| Humidity | ▼ 80% | 75% | ▲ 77% |
| Sunshine hours per day | ▼ 10,4 h | 9,9 h | ▼ 9,1 h |
| Cloud cover | ▲ 17% | 22% | ▲ 28% |
| UV index (midday) | ▼ 12 | 11 | ▲ 12 |
| Day length | 12:34 | 12:40 | 12:37 |
| Our rating | Good | Good | Good |
Temperature day by day in June mean + moving average
Precipitation day by day in June mm
UV index day by day in June midday value, clear-sky
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
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Data source
Global weather models — international forecasts
Météo de Koh Samui (Thailand) : conditions actuelles et prévisions à 24 h et 14 jours pour préparer votre voyage. Sur place actuellement, il fait +34°, clear, vent 4 km/h. Sur les 7 prochains jours, les températures varient de 26 à 31 °C avec 1 belle journée et 29 mm de pluie. Heure locale (fuseau Asia/Bangkok). Données Open-Meteo et WeatherAPI.