Climate · Koh Samui
Climate in Koh Samui
Climate overview for Koh Samui — classified as tropical. Peak average highs reach 28.3°C in May; the wettest month is Nov at 284mm.
Climate zone: tropical
Monthly normals
| Month | Avg °C | Max °C | Min °C | Rain mm | Rain days |
|---|---|---|---|---|---|
| Jan | 23.6 | 25.2 | 22.2 | 126 | 16 |
| Feb | 24 | 25.8 | 22.4 | 44 | 11 |
| Mar | 25 | 27.2 | 23.2 | 37 | 10 |
| Apr | 25.9 | 28.1 | 24.2 | 108 | 14 |
| May | 26.1 | 28.3 | 24.3 | 107 | 20 |
| Jun | 25.9 | 28.3 | 24.2 | 75 | 16 |
| Jul | 25.6 | 28 | 23.9 | 85 | 17 |
| Aug | 25.5 | 28 | 23.8 | 70 | 17 |
| Sep | 24.9 | 27 | 23.3 | 143 | 20 |
| Oct | 24.3 | 26.1 | 22.7 | 222 | 27 |
| Nov | 24 | 25.6 | 22.6 | 284 | 26 |
| Dec | 23.7 | 25.2 | 22.4 | 209 | 20 |
Source: Weather data by Open-Meteo.com.
Recommended months
Jan
Feb✓
Mar✓
Apr
May
Jun✓
Jul
Aug✓
Sep
Oct
Nov
Dec
Best months: Feb, Mar, Jun, Aug.