Hedeby Haddeby
Schleswig, Germany UNESCO World Heritage Site

Hedeby is an ancient city and archaeological site in Busdorf, Germany. It is part of the UNESCO World Heritage Archaeological Border complex of Hedeby and the Danevirke.
Planning a visit
The warmest months are July and August, with daily highs of about 21 °C and 20 °C. The wettest month is October, which has about 98 mm of rain. Visitors can reach the site via Hamburg Helmut Schmidt Airport, located about 100 km away, or Sønderborg Airport in Denmark, which is about 55 km from the site. Hedeby is approximately 335 km from Berlin.
Nearby sites include the Danevirke, which is about 5 km away. Other locations within 50 km are Glücksburg Castle, Sønderborg Castle, and Gråsten Palace. Hedeby is one of the 134 sights in Germany listed on this site and is ranked 55 in popularity among the country's sights based on English Wikipedia lookups.
Weather by month
The warmest month is July, with an average high of 21 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 3 | 4 | 7 | 12 | 16 | 18 | 21 | 21 | 17 | 12 | 7 | 4 |
| Average low, °C | -1 | -1 | 1 | 4 | 8 | 11 | 13 | 13 | 11 | 7 | 3 | 0 |
| Rainfall, mm | 78 | 55 | 65 | 45 | 59 | 78 | 91 | 87 | 82 | 98 | 84 | 76 |
| Rainy days | 17 | 12 | 12 | 11 | 11 | 12 | 16 | 14 | 13 | 16 | 17 | 17 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.