SeasonMapKo Samui vs Perhentian Islands: which is better, month by month
Ko Samui and Perhentian Islands split the year 3–3 — Ko Samui wins December to February, Perhentian Islands wins July, September and October, and they are within 3 points in the other 6 months.
Each place is scored under the lens that suits its type. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.
Ko Samui vs Perhentian Islands — all 12 months
| Month | Ko Samui | Perhentian Islands | Winner | Gap |
|---|---|---|---|---|
| January | 84Ahot, rainy, muggy air | 71Bhot, soaked, muggy air | Ko Samui | 13 |
| February | 88Asweltering, a little rain, muggy air | 84Ahot, rainy, clean air | Ko Samui | 4 |
| March | 90Ssweltering, a little rain, muggy air | 90Ssweltering, a little rain, muggy air | Tie | 0 |
| April | 80Asweltering, rainy, clean air | 81Asweltering, rainy, clean air | Tie | 1 |
| May | 77Bsweltering, rainy, clean air | 79Bsweltering, rainy, clean air | Tie | 2 |
| June | 83Asweltering, a little rain, clean air | 82Asweltering, rainy, clean air | Tie | 1 |
| July | 78Bsweltering, rainy, clean air | 87Asweltering, a little rain, muggy air | Perhentian Islands | 9 |
| August | 82Asweltering, a little rain, clean air | 83Asweltering, rainy, clean air | Tie | 1 |
| September | 73Bsweltering, rainy, clean air | 80Asweltering, rainy, clean air | Perhentian Islands | 7 |
| October | 62Csweltering, soaked, clean air | 69Csweltering, soaked, clean air | Perhentian Islands | 7 |
| November | 59Dsweltering, soaked, clean air | 57Dhot, soaked, clean air | Tie | 2 |
| December | 70Bhot, soaked, muggy air | 58Dhot, soaked, clean air | Ko Samui | 12 |
A month is a tie when the two are within 3 points. The widest gap is January (84 vs 71). Tap a month for that month's temperature, rain, humidity and air quality side by side.