Ko Phi Phi vs Ko Samui: which is better, month by month

Ko Samui beats Ko Phi Phi in 6 of 12 months — its lead peaks in August (82 vs 69) — while Ko Phi Phi wins December; they are within 3 points in the other 5 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 Phi Phi

🇹🇭 Thailand · tropical climate

Best month: February 91/100
Months won: 1 of 12

Ko Samui

🇹🇭 Thailand · tropical climate

Best month: March 90/100
Months won: 6 of 12

Ko Phi Phi vs Ko Samui — all 12 months

Month	Ko Phi Phi	Ko Samui	Winner	Gap
January	85Ahot, rainy, clean air	84Ahot, rainy, muggy air	Tie	1
February	91Shot, dry, clean air	88Asweltering, a little rain, muggy air	Tie	3
March	90Ssweltering, a little rain, clean air	90Ssweltering, a little rain, muggy air	Tie	0
April	80Asweltering, rainy, muggy air	80Asweltering, rainy, clean air	Tie	0
May	67Csweltering, soaked, clean air	77Bsweltering, rainy, clean air	Ko Samui	10
June	71Bsweltering, soaked, clean air	83Asweltering, a little rain, clean air	Ko Samui	12
July	72Bhot, soaked, clean air	78Bsweltering, rainy, clean air	Ko Samui	6
August	69Chot, soaked, clean air	82Asweltering, a little rain, clean air	Ko Samui	13
September	60Chot, soaked, clean air	73Bsweltering, rainy, clean air	Ko Samui	13
October	58Dhot, soaked, clean air	62Csweltering, soaked, clean air	Ko Samui	4
November	62Chot, soaked, clean air	59Dsweltering, soaked, clean air	Tie	3
December	82Ahot, rainy, clean air	70Bhot, soaked, muggy air	Ko Phi Phi	12

A month is a tie when the two are within 3 points. The widest gap is August (69 vs 82). Tap a month for that month's temperature, rain, humidity and air quality side by side.