14-day forecast — Koh Samui Updated every hour
Sat · Today · 13 Jun
Rain
+30°
+28°
15,2 mm
Sun · Tomorrow · 14 Jun
Showers
+30°
+28°
3,8 mm
Monday · 15 Jun
Showers
+30°
+28°
1,3 mm
Tuesday · 16 Jun
Showers
+30°
+29°
0,5 mm
Wednesday · 17 Jun
Showers
+30°
+29°
1,3 mm
Thursday · 18 Jun
Rain
+29°
+28°
6,6 mm
Friday · 19 Jun
Showers
+28°
+28°
0,5 mm
Saturday · 20 Jun
Partly cloudy
+28°
+28°
9%
Sunday · 21 Jun
Showers
+29°
+28°
0,8 mm
Monday · 22 Jun
Showers
+29°
+28°
1,3 mm
Tuesday · 23 Jun
Showers
+30°
+28°
1,8 mm
Wednesday · 24 Jun
Showers
+30°
+28°
1,3 mm
Thursday · 25 Jun
Showers
+30°
+28°
1,1 mm
Friday · 26 Jun
Showers
+30°
+28°
2,3 mm
About Koh Samui
Île tropicale du golfe de Thaïlande, plages et chaleur moite.
Country Thailand
Region Golfe de Thaïlande
Continent Asia
Time zone Asia/Bangkok (+07:00)
Latitude 9.5120°
Longitude 100.0136°
Air quality Fair (EAQI 27)
Climate in Koh Samui in April
Normals 8 years · best time to visit · Open-Meteo
Best time to visit Koh Samui : January–December . With good weather, April is a recommended month to visit.
Photo: Wikimedia
March
April
May
Average temperature
▲ 25°C
26°C
→ 26°C
Highest temperature
▲ 28°C
29°C
→ 29°C
Lowest temperature
▲ 23°C
24°C
→ 24°C
Sea temperature
▲ 30,1°C
31,5°C
▲ 32,0°C
Precipitation
▲ 41 mm
97 mm
▲ 122 mm
Days with precipitation
▲ 11 d
16 d
▲ 20 d
Humidity
▼ 75%
74%
▲ 80%
Sunshine hours per day
▼ 11,0 h
10,9 h
▼ 10,4 h
Cloud cover
▲ 9%
12%
▲ 17%
UV index (midday)
▲ 11
12
→ 12
Day length
12:04
12:20
12:34
Our rating
Perfect
Good
Good
Temperature day by day in April mean + moving average
24° 25° 26° 27° 28° 1 6 11 16 21 26
Precipitation day by day in April mm
0 4.4 8.8 1 6 11 16 21 26
UV index day by day in April midday value, clear-sky
0 6 12 1 6 11 16 21 26
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in Asia
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 +29°, showers, vent 4 km/h. Sur les 7 prochains jours, les températures varient de 28 à 30 °C et 29 mm de pluie. Heure locale (fuseau Asia/Bangkok). Données Open-Meteo et WeatherAPI.