Cologne — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Cologne, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Cologne today is 20.2°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 | 21.1°C | 23.0°C | |
| AUG 25 | 21.1°C | 23.0°C | |
| AUG 26 | 20.4°C | 23.0°C | |
| AUG 27 | 20.4°C | 23.0°C | |
| AUG 28 | 20.4°C | 23.0°C | |
| AUG 29 | 20.4°C | 23.0°C | |
| AUG 30 | 20.2°C | 23.0°C | |
| AUG 31 | 20.2°C | 23.0°C | |
| SEP 1 | 17.6°C | 20.1°C | |
| SEP 2 | 17.6°C | 19.9°C | |
| SEP 3 | 17.6°C | 19.8°C | |
| SEP 4 | 17.6°C | 19.7°C | |
| SEP 5 | 17.6°C | 19.6°C | |
| SEP 6 | 17.6°C | 19.4°C | |
| SEP 7 | 17.6°C | 19.3°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 | 3°C | 6°C | 9°C |
| February | 3°C | 5°C | 9°C |
| March | 3°C | 7°C | 11°C |
| April | 7°C | 11°C | 14°C |
| May | 10°C | 15°C | 20°C |
| June | 16°C | 20°C | 25°C |
| July | 18°C | 21°C | 26°C |
| August | 20°C | 23°C | 26°C |
| September | 15°C | 18°C | 23°C |
| October | 8°C | 12°C | 15°C |
| November | 3°C | 8°C | 12°C |
| December | 3°C | 6°C | 9°C |
Cologne: Weather Forecast
August 31
September 1
September 2
September 3
September 4
September 5
Location & Local Information
Cologne, one of Germany's oldest cities, lies along the majestic Rhine River, which has been central to the city's development for centuries. The river provides a scenic backdrop to the city's famous landmarks, such as the Cologne Cathedral, and serves as a vital transportation route. The riverbanks are popular for leisure activities, including walking, cycling, and boat tours. While swimming in the Rhine is generally discouraged due to strong currents and heavy ship traffic, many people enjoy being near the water, especially in the warmer months.
The water temperature of the Rhine in Cologne fluctuates throughout the year. In the summer, the temperature ranges from around 18°C to 23°C (64°F to 73°F), making it a pleasant environment for water activities along the shore. In the winter months, the water cools significantly, dropping to around 5°C to 7°C (41°F to 45°F), which limits most water-based activities.