Ahr River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Ahr River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Ahr River today is 45°F.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 41°F (5°C) to 47°F (8°C). This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold. 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 |
|---|---|---|---|
| MAR 9 | 44°F | 44°F | |
| MAR 10 | 45°F | 44°F | |
| MAR 11 | 46°F | 44°F | |
| MAR 12 | 46°F | 44°F | |
| MAR 13 | 46°F | 44°F | |
| MAR 14 | 45°F | 44°F | |
| MAR 15 | 45°F | 44°F | |
| MAR 16 | 45°F | 44°F | |
| MAR 17 | 44°F | 45°F | |
| MAR 18 | 44°F | 45°F | |
| MAR 19 | 44°F | 45°F | |
| MAR 20 | 44°F | 45°F | |
| MAR 21 | 44°F | 45°F | |
| MAR 22 | 44°F | 44°F | |
| MAR 23 | 44°F | 44°F |
* 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 | 37°F | 40°F | 45°F |
| February | 37°F | 41°F | 45°F |
| March | 37°F | 44°F | 50°F |
| April | 37°F | 47°F | 57°F |
| May | 45°F | 53°F | 61°F |
| June | 50°F | 60°F | 70°F |
| July | 57°F | 66°F | 75°F |
| August | 61°F | 66°F | 72°F |
| September | 54°F | 63°F | 72°F |
| October | 39°F | 49°F | 59°F |
| November | 39°F | 46°F | 54°F |
| December | 37°F | 40°F | 45°F |
Ahr River: Water Temperature by Location
Ahr River: Weather Forecast
March 17
March 18
March 19
March 20
March 21
March 22
Location & Local Information
Source:
• location Blankenheim, Northern Eifel, North Rhine-Westfalia, Germany
• coordinates 50.438°N 6.6494°E
• elevation 470 m (1,540 ft)
Mouth Rhine
• location Remagen, Rhineland-Palatinate, Germany
• coordinates 50°33′34″N 7°16′37″E
• elevation 58 m (190 ft)
Length 89 km (55 mi)
The Ahr River, a tributary of the Rhine, flows through the scenic Ahr Valley in the Rhineland-Palatinate region of Germany. The river's water temperature varies with the seasons, typically ranging between 5°C and 20°C (41°F to 68°F). During the summer, the water reaches its warmest temperatures, making it more appealing for recreational activities, while in winter, it remains cold and less suitable for such activities.
Swimming in the Ahr is generally not widespread due to its rocky bed and occasional fast-moving currents. However, some calmer sections may allow for wading or a refreshing dip on warm summer days. The Ahr Valley is known more for its hiking trails, vineyards, and natural beauty, offering visitors a chance to relax and explore the area rather than focus solely on water activities.