Hamburg — Water Temperature Today and Throughout the Year
Discover water temperatures in Hamburg (Germany), with real-time data and annual trends. Find all locations in the region and check the water temperature in them. We find every place where you can swim and show you the water temperature there today and throughout the year.
Water Temperature in Lakes and Rivers
Popular Lakes
Popular Rivers
Popular Places
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
Hamburg, located in northern Germany, is a city rich in waterways, with the Elbe River, Alster Lakes, and various smaller lakes and canals offering opportunities for swimming and water activities. Water temperatures in Hamburg's rivers and lakes vary significantly throughout the year due to the region’s temperate maritime climate. In winter, temperatures drop to around 2–5°C (36–41°F), making swimming impractical. By late spring, the water begins to warm up, reaching around 10–15°C (50–59°F) in May.
During the summer months, particularly in July and August, the water in lakes such as the Outer Alster and Stadtparksee can reach comfortable swimming temperatures of around 18–22°C (64–72°F), depending on weather conditions. The Elbe River tends to be slightly cooler due to its larger flow and connection to the North Sea, often staying between 16–20°C (61–68°F) in summer. However, even during the warmest months, sudden temperature fluctuations can occur due to rain or colder winds.
By autumn, water temperatures gradually decline, dropping below 15°C (59°F) by October and cooling further as winter approaches. While some enthusiasts engage in cold-water swimming, most outdoor swimming areas in Hamburg are popular mainly in the late spring and summer. The region's natural lakes and urban waterways provide a great way to cool off during warm days, but the best time for comfortable swimming is typically from June to early September.