SeasonMapHamburg vs Heidelberg: which is better, month by month
Heidelberg beats Hamburg in 6 of 12 months — its lead peaks in September (91 vs 82) — while Hamburg wins July to August; they are within 3 points in the other 4 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.
Hamburg vs Heidelberg — all 12 months
| Month | Hamburg | Heidelberg | Winner | Gap |
|---|---|---|---|---|
| January | 43Fcold, a little rain, clean air | 48Fcold, a little rain, clean air | Heidelberg | 5 |
| February | 53Dcold, a little rain, clean air | 61Ccold, a little rain, clean air | Heidelberg | 8 |
| March | 65Ccold, a little rain, clean air | 69Ccool, a little rain, clean air | Heidelberg | 4 |
| April | 76Bcool, a little rain, clean air | 80Acool, a little rain, clean air | Heidelberg | 4 |
| May | 84Anice, a little rain, clean air | 86Anice, a little rain, clean air | Tie | 2 |
| June | 90Snice, a little rain, clean air | 89Awarm, a little rain | Tie | 1 |
| July | 89Anice, rainy, clean air | 85Awarm, a little rain, clean air | Hamburg | 4 |
| August | 93Swarm, a little rain, clean air | 87Ahot, a little rain | Hamburg | 6 |
| September | 82Anice, a little rain, clean air | 91Snice, a little rain, clean air | Heidelberg | 9 |
| October | 69Ccool, a little rain, clean air | 72Bnice, a little rain, clean air | Tie | 3 |
| November | 57Dcold, a little rain, clean air | 59Dcold, a little rain, clean air | Tie | 2 |
| December | 47Fcold, a little rain, clean air | 51Dcold, a little rain, clean air | Heidelberg | 4 |
A month is a tie when the two are within 3 points. The widest gap is September (82 vs 91). Tap a month for that month's temperature, rain, humidity and air quality side by side.