SeasonMapKo Samui vs Phu Quoc: which is better, month by month
Ko Samui beats Phu Quoc in 6 of 12 months — its lead peaks in July (78 vs 54) — while Phu Quoc wins November to January; they are within 3 points in February to April.
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 Phu Quoc — all 12 months
| Month | Ko Samui | Phu Quoc | Winner | Gap |
|---|---|---|---|---|
| January | 84Ahot, rainy, muggy air | 91Ssweltering, a little rain | Phu Quoc | 7 |
| February | 88Asweltering, a little rain, muggy air | 90Ssweltering, a little rain | Tie | 2 |
| March | 90Ssweltering, a little rain, muggy air | 87Asweltering, a little rain, muggy air | Tie | 3 |
| April | 80Asweltering, rainy, clean air | 80Asweltering, rainy, muggy air | Tie | 0 |
| May | 77Bsweltering, rainy, clean air | 63Csweltering, soaked, clean air | Ko Samui | 14 |
| June | 83Asweltering, a little rain, clean air | 60Csweltering, soaked, clean air | Ko Samui | 23 |
| July | 78Bsweltering, rainy, clean air | 54Dsweltering, soaked, clean air | Ko Samui | 24 |
| August | 82Asweltering, a little rain, clean air | 58Dsweltering, soaked, clean air | Ko Samui | 24 |
| September | 73Bsweltering, rainy, clean air | 51Dsweltering, soaked, clean air | Ko Samui | 22 |
| October | 62Csweltering, soaked, clean air | 56Dsweltering, soaked, clean air | Ko Samui | 6 |
| November | 59Dsweltering, soaked, clean air | 75Bsweltering, rainy, clean air | Phu Quoc | 16 |
| December | 70Bhot, soaked, muggy air | 84Asweltering, a little rain, clean air | Phu Quoc | 14 |
A month is a tie when the two are within 3 points. The widest gap is July (78 vs 54). Tap a month for that month's temperature, rain, humidity and air quality side by side.