Spring (March–May): Average 28.6–29.9°C, hot climate. March and April are relatively dry, while May sees more rainfall. Common activities: Swimming, sunbathing, snorkeling. Recommended clothing: Light and breathable clothing, swimwear, sun hat, sunglasses.
Summer (June–August): Average 28.9–29.8°C, hot and dry climate with abundant sunshine. Common activities: Swimming, water sports, exploring the island. Recommended clothing: Light and breathable clothing, swimwear, sun hat, sunglasses.
Autumn (September–November): Average 27.6–28.4°C. October has heavier rainfall, while other months are drier. Common activities: Swimming, diving, but be aware of potential rain in October. Recommended clothing: Light and breathable clothing, and rain gear for October.
Winter (December–February): Average 26.5–27.5°C, warm and comfortable climate, dry with little rain. Common activities: Swimming, snorkeling, enjoying the beach. Recommended clothing: Light clothing, a light jacket may be needed in the mornings and evenings.
Koh Samet climatological average
Annual average temperature: approx. 28°C / Annual rainfall: approx. 486 mm / Summer humidity: 60%–70% / Rainiest month: October
Koh Samet monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
26.5°C
0
February
27.5°C
48.5
March
28.6°C
24.9
April
29.9°C
7.5
May
29.9°C
145.2
June
29.8°C
0
July
28.9°C
0
August
29.1°C
0
September
28.4°C
0
October
27.8°C
230
November
27.6°C
28.4
December
26.8°C
2
Koh Samet weather for the next seven days
11/16
Sunday
Patchy rain nearby
29.5°C/22.7°C
11/17
Monday
Patchy rain nearby
26°C/23.8°C
11/18
Tuesday
Patchy rain nearby
27.2°C/24°C
11/19
Wednesday
Patchy rain nearby
22.9°C/20.2°C
11/20
Thursday
Cloudy
21.6°C/19.3°C
11/21
Friday
Patchy rain nearby
22.5°C/20.4°C
11/22
Saturday
Partly Cloudy
26.3°C/21.5°C
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