Cologne vs Vienna: which is better, month by month

Vienna beats Cologne in 4 of 12 months — its lead peaks in February (64 vs 58) — while Cologne wins June to August; 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.

Cologne

🇩🇪 Germany · mild climate

Best month: June 93/100
Months won: 3 of 12

Vienna

🇦🇹 Austria · mild climate

Best month: September 90/100
Months won: 4 of 12

Cologne vs Vienna — all 12 months

Month	Cologne	Vienna	Winner	Gap
January	48Fcold, rainy, clean air	49Fcold, a little rain, clean air	Tie	1
February	58Dcold, a little rain, clean air	64Ccold, a little rain, clean air	Vienna	6
March	67Ccold, a little rain, clean air	72Bcold, a little rain, clean air	Vienna	5
April	78Bcool, a little rain, clean air	81Acool, a little rain, clean air	Tie	3
May	84Anice, a little rain	87Anice, rainy	Tie	3
June	93Swarm, a little rain	89Awarm, a little rain	Cologne	4
July	90Swarm, rainy, clean air	82Awarm, a little rain	Cologne	8
August	89Awarm, a little rain	84Awarm, a little rain	Cologne	5
September	85Anice, a little rain, clean air	90Snice, rainy, clean air	Vienna	5
October	71Bcool, a little rain, clean air	75Bcool, a little rain, clean air	Vienna	4
November	60Ccold, a little rain, clean air	61Ccold, a little rain, clean air	Tie	1
December	52Dcold, rainy, clean air	51Dcold, a little rain, clean air	Tie	1

A month is a tie when the two are within 3 points. The widest gap is July (90 vs 82). Tap a month for that month's temperature, rain, humidity and air quality side by side.