Schleswig
City in Germany

Schleswig is a town in northern Germany with a population of about 26,000 people. It is situated 336 kilometers from Berlin and is known for its historical significance, specifically the UNESCO-listed Hedeby and the Danevirke defensive structures.
What to see
The primary historical sites in the area are the UNESCO World Heritage site of Hedeby and the Danevirke. These locations represent early medieval history and defensive fortifications in the region.
When to go
The warmest months are June, July, and August, with daily highs ranging from 18 °C to 21 °C. July is the warmest month but also sees higher rainfall, with about 89 mm over 16 days. If you prefer milder weather, May offers highs of 16 °C with about 11 days of rain. Winter months from December through February are cold, with daily highs between 3 °C and 4 °C and frequent rain or snow, occurring on 12 to 17 days per month.
Getting there
The nearest airport is Sønderborg Airport in Denmark, located 52 kilometers away. For international connections, Hamburg Helmut Schmidt Airport is 102 kilometers from Schleswig.
Top sights in Schleswig
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 | 19 | 21 | 21 | 17 | 13 | 7 | 4 |
| Average low, °C | -1 | -1 | 1 | 4 | 8 | 11 | 13 | 13 | 11 | 7 | 3 | 0 |
| Rainfall, mm | 76 | 54 | 63 | 44 | 58 | 75 | 89 | 85 | 80 | 95 | 80 | 73 |
| Rainy days | 17 | 12 | 12 | 11 | 11 | 12 | 16 | 14 | 13 | 16 | 17 | 17 |
Temperatures and rainfall: 1981–2010 averages for Schleswig (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.