Search for cities, countries, lakes and rivers
Hennef (Sieg)
Water Temperature in Hennef (Sieg) in Sieg River: Current and Forecast
On this page, you will find comprehensive information about the water temperature in Hennef (Sieg) in Sieg River, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Hennef (Sieg)
9.3°C
TODAY
9.1°C
YESTERDAY
10.2°C
A WEEK AGO
As of today, the minimum water temperature in Hennef (Sieg) ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used.
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.
Analysis, Historical Data, and Forecast of Water Temperature
Water Temperature Chart for Sieg River in Hennef (Sieg) Over the Last 30 Days
Today the water temperature in Hennef (Sieg) is lower than the same day in previous years. The water temperature range here in April is from 8°C to 14°C. The water temperature has decreased over the past 7 days but has increased over the past month.
The forecasted water temperature values for Hennef (Sieg) are presented in the table below.
The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.
Table of Daily Water Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Mar 25 | 10.2°C | 9.0°C | |
| Mar 26 | 10.2°C | 9.0°C | |
| Mar 27 | 9.6°C | 9.0°C | |
| Mar 28 | 9.8°C | 9.0°C | |
| Mar 29 | 10.1°C | 9.0°C | |
| Mar 31 | 10.5°C | 9.0°C | |
| Apr 1 | 9.1°C | 11.0°C | |
| Apr 2 | 9.3°C | 11.0°C | |
| Apr 3 | 11.0°C | 9.4°C | |
| Apr 4 | 11.0°C | 9.5°C | |
| Apr 5 | 11.0°C | 9.6°C | |
| Apr 6 | 11.0°C | 9.7°C | |
| Apr 7 | 11.0°C | 9.8°C | |
| Apr 8 | 11.0°C | 9.9°C | |
| Apr 9 | 11.0°C | 10.0°C | |
| Apr 10 | 11.0°C | 10.1°C |
Water Temperature Ranges in Hennef (Sieg) by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 5°C | 7°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 5.5°C | 8°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 6°C | 9°C | 12°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 11°C | 14°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 12.5°C | 16°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 20.2°C | 24°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 18°C | 20.5°C | 26°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 18.1°C | 22°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 12°C | 15.3°C | 20°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 13°C | 13.3°C | 14°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 8.5°C | 10°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 5.5°C | 8°C |
Monthly Water Temperature Histogram for Sieg River in Hennef (Sieg)
Hennef (Sieg) Weather
APRIL 3
9°C / 20°C
mainly clearrain: 0% | wind: 17 km/h
APRIL 4
7°C / 20°C
clear skyrain: 0% | wind: 10 km/h
APRIL 5
4°C / 13°C
overcastrain: 2% | wind: 17 km/h
APRIL 6
1°C / 9°C
mainly clearrain: 2% | wind: 16 km/h
APRIL 7
0°C / 9°C
overcastrain: 6% | wind: 11 km/h
Water Temperature in Hennef (Sieg): General Trends and Swimming Opportunities
Hennef (Sieg) is situated in North Rhine-Westphalia, Germany, and is located along the Sieg River. This quaint city offers an ideal spot for outdoor enthusiasts who can dip their toes in the Sieg River, which is a significant geographical feature in the region. The Sieg River stands out for its biodiversity and distinct character. However, it should be noted that to obtain up-to-date water temperatures for the Sieg River, one must refer to local resources or online platforms that provide real-time water temperature data.
As for swimming in the Sieg River at Hennef, it is technically possible, but it's important to exercise caution. River currents can be unpredictable, and safety must always be the top priority. The water quality of the Sieg River is regularly monitored and classified as Class II, which designates it as 'moderately polluted'. While this doesn't automatically disqualify it for swimming, potential swimmers should be aware of this status. Despite this, the river's banks near Hennef are popular for local residents and tourists alike who enjoy waterside picnics, walks, and views. Always, it is recommended to check local regulations and guidance for swimming in the river, as rules may vary depending on the season and other environmental factors.
Geographical Location of Hennef (Sieg)
Nearby Cities
Frequently Asked Questions About Hennef (Sieg) and its Water Temperatures
What is the current water temperature in Hennef (Sieg)?
The water temperature today in Hennef (Sieg) is 49°F (9.3°C).
What is the water temperature in Hennef (Sieg) during the summer months?
The average water temperature in Hennef (Sieg) during the summer months is typically between 65°F to 69°F (18°C to 21°C), and it can reach up to 79°F (26°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Hennef (Sieg) in May?
The average water temperature in Hennef (Sieg) in May ranges from 50°F to 61°F (10°C to 16°C).
What is the water temperature in Hennef (Sieg) in September?
The average water temperature in Hennef (Sieg) in September is typically between 54°F to 68°F (12°C to 20°C).
Is it possible to swim in the Sieg River in Hennef (Sieg), and what are the available options for doing so?
Yes, it is possible to swim in the Sieg River in Hennef (Sieg). Options include free swimming or organized events such as river-swimming competitions.