SeasonMapKo Samui vs Penang: which is better, month by month
Ko Samui beats Penang in 6 of 12 months — its lead peaks in May (77 vs 65) — while Penang wins July; they are within 3 points in October to February.
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 Penang — all 12 months
| Month | Ko Samui | Penang | Winner | Gap |
|---|---|---|---|---|
| January | 84Ahot, rainy, muggy air | 84Asweltering, rainy, muggy air | Tie | 0 |
| February | 88Asweltering, a little rain, muggy air | 87Asweltering, rainy, muggy air | Tie | 1 |
| March | 90Ssweltering, a little rain, muggy air | 80Asweltering, rainy, muggy air | Ko Samui | 10 |
| April | 80Asweltering, rainy, clean air | 73Bsweltering, soaked, muggy air | Ko Samui | 7 |
| May | 77Bsweltering, rainy, clean air | 65Csweltering, soaked, muggy air | Ko Samui | 12 |
| June | 83Asweltering, a little rain, clean air | 78Bsweltering, soaked, muggy air | Ko Samui | 5 |
| July | 78Bsweltering, rainy, clean air | 82Asweltering, rainy, muggy air | Penang | 4 |
| August | 82Asweltering, a little rain, clean air | 74Bsweltering, soaked, muggy air | Ko Samui | 8 |
| September | 73Bsweltering, rainy, clean air | 68Csweltering, soaked, muggy air | Ko Samui | 5 |
| October | 62Csweltering, soaked, clean air | 61Csweltering, soaked, clean air | Tie | 1 |
| November | 59Dsweltering, soaked, clean air | 57Dsweltering, soaked, clean air | Tie | 2 |
| December | 70Bhot, soaked, muggy air | 71Bsweltering, soaked, muggy air | Tie | 1 |
A month is a tie when the two are within 3 points. The widest gap is May (77 vs 65). Tap a month for that month's temperature, rain, humidity and air quality side by side.