Glücksburg Castle
Flensburg, Germany

Glücksburg Castle is a water castle and museum in Germany featuring Renaissance architecture. Built in 1583, this heritage monument in Schleswig-Holstein is one of the most looked-up sights in Germany.
Planning a visit
July and August are the warmest months, with daily highs of 21 °C and 20 °C. The wettest month is October, which has 93 mm of rain. January is the coldest month, with a high of 3 °C and a low of -1 °C. The castle is 361 km from Berlin. The nearest airport is Sønderborg Airport, 22 km away, while Odense Hans Christian Andersen Airport is 87 km away.
Nearby locations include Gråsten Palace (11 km) and Sønderborg Castle (17.5 km). Other nearby sites are Hedeby (37.9 km) and Danevirke (39.6 km). The entrance fee is €5, and wheelchair access is limited. Opening hours change by season. In July and August, the museum is open daily from 11:00 to 18:00. During May, June, September, and October, it is open daily from 11:00 to 17:00. In April, it is open daily from 11:00 to 16:00. From November to March, it is open only on Saturdays and Sundays from 11:00 to 16:00.
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 | 11 | 16 | 18 | 21 | 20 | 17 | 12 | 7 | 4 |
| Average low, °C | -1 | -1 | 1 | 3 | 8 | 11 | 13 | 14 | 11 | 7 | 3 | 0 |
| Rainfall, mm | 75 | 56 | 61 | 41 | 56 | 69 | 84 | 84 | 77 | 93 | 72 | 70 |
| Rainy days | 17 | 13 | 13 | 11 | 11 | 11 | 15 | 14 | 13 | 17 | 18 | 18 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.