Siegen — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Siegen, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Siegen today is 18.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| AUG 24 | 19.4°C | 20.9°C | |
| AUG 25 | 18.9°C | 20.9°C | |
| AUG 26 | 18.8°C | 20.9°C | |
| AUG 27 | 18.9°C | 20.9°C | |
| AUG 28 | 19.0°C | 20.9°C | |
| AUG 29 | 19.0°C | 20.9°C | |
| AUG 30 | 18.7°C | 20.9°C | |
| AUG 31 | 18.8°C | 20.9°C | |
| SEP 1 | 17.5°C | 18.7°C | |
| SEP 2 | 17.5°C | 18.7°C | |
| SEP 3 | 17.5°C | 18.6°C | |
| SEP 4 | 17.5°C | 18.5°C | |
| SEP 5 | 17.5°C | 18.5°C | |
| SEP 6 | 17.5°C | 18.4°C | |
| SEP 7 | 17.5°C | 18.3°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 2°C | 5°C | 7°C |
| February | 1°C | 4°C | 7°C |
| March | 5°C | 9°C | 12°C |
| April | 6°C | 10°C | 14°C |
| May | 10°C | 14°C | 18°C |
| June | 14°C | 20°C | 25°C |
| July | 18°C | 21°C | 26°C |
| August | 17°C | 21°C | 24°C |
| September | 12°C | 18°C | 23°C |
| October | 8°C | 11°C | 14°C |
| November | 4°C | 8°C | 11°C |
| December | 3°C | 6°C | 8°C |
Siegen: Weather Forecast
September 1
September 2
September 3
September 4
September 5
Location & Local Information
Siegen, a city nestled in the North Rhine-Westphalia state of Germany, is characterized by its wealth of water bodies, with the Sieg River being one of its remarkable attributes. With its source in the Rothaargebirge mountain range, the Sieg River threads its way through the city, adding a charming touch to its already picturesque landscape.
Regarding the Sieg River's water temperature, it generally varies across different times of the year. The temperature tends to be cooler in the winter months, dropping to around 3-4°C and rising in the summer months to about 16-20°C. The temperature can also be slightly influenced by weather conditions and water flows. However, it is important to note that these estimates may vary from year to year.
While the city’s rivers and local pools are often enjoyed by locals and tourists, swimming in the Sieg River specifically isn’t highly recommended. This is mainly because of the water flow, potential undercurrents, and the local regulations, which often restrict swimming in nature bodies for safety reasons. For swimming, Siegen offers alternative options like heated outdoor pools and modern indoor swimming facilities which provide a safer and more controlled environment for water lovers of all ages.