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Best Time for The Castle Road
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Sweet spot: March, April, May. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Castle terraces catch long light over the Neckar, Schwäbisch Hall stages open-air theatre on its church steps, and Rothenburg's walls walk best at dawn before the buses.
- Rothenburg's Reiterlesmarkt inside the walls is the Christmas postcard Germany sends the world — and Heidelberg's castle glows over the icy Neckar.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | −3.2°C | 2.5°C | 64 mm | 8.4 h | ❄ |
| February | −3.0°C | 4.1°C | 48 mm | 9.8 h | ❄ |
| March | −0.3°C | 9.0°C | 54 mm | 11.6 h | ❄ |
| April | 3.6°C | 14.6°C | 44 mm | 13.5 h | |
| May | 8.1°C | 18.7°C | 81 mm | 15.1 h | |
| June | 12.2°C | 23.1°C | 66 mm | 16.0 h | |
| July | 14.1°C | 25.5°C | 78 mm | 15.6 h | |
| August | 13.6°C | 25.1°C | 75 mm | 14.2 h | |
| September | 9.1°C | 20.4°C | 53 mm | 12.3 h | |
| October | 5.1°C | 14.4°C | 60 mm | 10.5 h | |
| November | 1.1°C | 7.7°C | 62 mm | 8.8 h | ❄ |
| December | −2.0°C | 3.4°C | 68 mm | 8.0 h | ❄ |