SeasonMapLyon 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 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.