what to do on a second stopover in hamburg

For a second stopover, consider exploring distinct sights like HafenCity or St. Pauli rather than standard transit areas. You could also visit the Hamburg Art Museum, St. Michael's Church, Hagenbeck Zoo, or the Hamburg Islamic Centre. If your connection via HAM airport falls during the best season from May to October, expect milder weather, with average temperatures ranging from 13.1°C in May to a peak of 19°C in August.