Buenos Aires vs Reykjavík: which is better, month by month

Buenos Aires beats Reykjavík in 9 of 12 months — its lead peaks in December (83 vs 33) — while Reykjavík wins July; they are within 3 points in June and August.

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.

Buenos Aires

🇦🇷 Argentina · mild climate

Best month: October 90/100
Months won: 9 of 12

Reykjavík

🇮🇸 Iceland · mild climate

Best month: July 85/100
Months won: 1 of 12

Buenos Aires vs Reykjavík — all 12 months

Month	Buenos Aires	Reykjavík	Winner	Gap
January	79Bhot, a little rain, clean air	31Ffreezing, rainy, clean air	Buenos Aires	48
February	79Bhot, rainy, clean air	40Ffreezing, rainy, clean air	Buenos Aires	39
March	81Awarm, rainy, clean air	50Dcold, rainy, clean air	Buenos Aires	31
April	84Anice, rainy, clean air	64Ccold, rainy, clean air	Buenos Aires	20
May	82Anice, a little rain, clean air	72Bcold, rainy, clean air	Buenos Aires	10
June	78Bcool, a little rain, clean air	78Bcool, rainy, clean air	Tie	0
July	76Bcool, a little rain, clean air	85Acool, a little rain, clean air	Reykjavík	9
August	82Acool, a little rain, clean air	81Acool, rainy, clean air	Tie	1
September	86Anice, a little rain, clean air	68Ccold, rainy, clean air	Buenos Aires	18
October	90Snice, rainy, clean air	56Dcold, rainy, clean air	Buenos Aires	34
November	88Awarm, a little rain, clean air	43Fcold, rainy, clean air	Buenos Aires	45
December	83Ahot, a little rain, clean air	33Ffreezing, rainy, clean air	Buenos Aires	50

A month is a tie when the two are within 3 points. The widest gap is December (83 vs 33). Tap a month for that month's temperature, rain, humidity and air quality side by side.