Hong Kong vs Sydney: which is better, month by month

Sydney beats Hong Kong in 8 of 12 months — its lead peaks in August (81 vs 38) — while Hong Kong wins February to March; they are within 3 points in December to January.

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.

Hong Kong

🇭🇰 Hong Kong · mild climate

Best month: December 89/100
Months won: 2 of 12

Sydney

🇦🇺 Australia · mild climate

Best month: September 89/100
Months won: 8 of 12

Hong Kong vs Sydney — all 12 months

Month	Hong Kong	Sydney	Winner	Gap
January	84Anice, a little rain, poor air quality	82Awarm, rainy, clean air	Tie	2
February	86Anice, a little rain, muggy air	80Awarm, soaked, clean air	Hong Kong	6
March	80Awarm, a little rain, muggy air	76Bwarm, soaked, clean air	Hong Kong	4
April	71Bhot, rainy, muggy air	85Anice, rainy, clean air	Sydney	14
May	55Dhot, soaked, muggy air	83Anice, rainy, clean air	Sydney	28
June	40Fsweltering, soaked, muggy air	77Bcool, rainy, clean air	Sydney	37
July	50Dsweltering, soaked, muggy air	78Bcool, rainy, clean air	Sydney	28
August	38Fsweltering, soaked, muggy air	81Acool, rainy, clean air	Sydney	43
September	47Fsweltering, soaked, muggy air	89Anice, a little rain, clean air	Sydney	42
October	65Chot, soaked, muggy air	88Anice, rainy, clean air	Sydney	23
November	78Bwarm, a little rain	87Anice, rainy, clean air	Sydney	9
December	89Anice, dry, poor air quality	87Awarm, rainy, clean air	Tie	2

A month is a tie when the two are within 3 points. The widest gap is August (38 vs 81). Tap a month for that month's temperature, rain, humidity and air quality side by side.