Koh Samui Weather
🇹🇠Thailand
25°C
High23°C
Low6
Rain Days11h
Sunshine82%
HumidityKoh Samui Weather Guide
Complete monthly climate data for Koh Samui, 🇹🇠Thailand
January
25° / 23°C
11 rain days
February
25° / 23°C
6 rain days
March
26° / 24°C
10 rain days
April
27° / 24°C
12 rain days
May
27° / 24°C
22 rain days
June
27° / 24°C
19 rain days
July
27° / 24°C
18 rain days
August
27° / 24°C
18 rain days
September
26° / 23°C
22 rain days
October
25° / 23°C
26 rain days
November
25° / 23°C
22 rain days
December
25° / 23°C
14 rain days
Year-Round Climate
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 25°C | 23°C | 11 | 10h | View |
| February | 25°C | 23°C | 6 | 11h | View |
| March | 26°C | 24°C | 10 | 11h | View |
| April | 27°C | 24°C | 12 | 11h | View |
| May | 27°C | 24°C | 22 | 10h | View |
| June | 27°C | 24°C | 19 | 10h | View |
| July | 27°C | 24°C | 18 | 9h | View |
| August | 27°C | 24°C | 18 | 9h | View |
| September | 26°C | 23°C | 22 | 9h | View |
| October | 25°C | 23°C | 26 | 9h | View |
| November | 25°C | 23°C | 22 | 9h | View |
| December | 25°C | 23°C | 14 | 10h | View |
Monthly Precipitation (mm)
Travel Planning
Data Sources for Koh Samui
Climate normals represent 30-year averages (1991-2020). Individual years may vary.