Lyon vs Nantes: which is better, month by month

Lyon beats Nantes in 4 of 12 months — its lead peaks in January (60 vs 55) — while Nantes 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.

Lyon

🇫🇷 France · mild climate

Best month: September 93/100
Months won: 4 of 12

Nantes

🇫🇷 France · mild climate

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

Lyon vs Nantes — all 12 months

Month	Lyon	Nantes	Winner	Gap
January	60Ccold, a little rain, clean air	55Dcold, rainy, clean air	Lyon	5
February	69Ccold, a little rain, muggy air	65Ccold, a little rain, clean air	Lyon	4
March	75Bcool, a little rain, clean air	71Bcool, a little rain, clean air	Lyon	4
April	83Anice, a little rain, clean air	81Acool, a little rain, clean air	Tie	2
May	89Anice, rainy, clean air	86Anice, a little rain, clean air	Tie	3
June	86Awarm, rainy	93Swarm, a little rain, clean air	Nantes	7
July	84Ahot, a little rain, clean air	91Swarm, a little rain, clean air	Nantes	7
August	82Ahot, a little rain, clean air	92Swarm, a little rain, clean air	Nantes	10
September	93Swarm, a little rain, clean air	89Anice, a little rain, clean air	Lyon	4
October	77Bnice, rainy, clean air	76Bnice, rainy, clean air	Tie	1
November	66Ccool, a little rain, clean air	64Ccool, rainy, clean air	Tie	2
December	59Dcold, a little rain, muggy air	58Dcold, rainy, clean air	Tie	1

A month is a tie when the two are within 3 points. The widest gap is August (82 vs 92). Tap a month for that month's temperature, rain, humidity and air quality side by side.