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Troisdorf — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Troisdorf, trends, monthly ranges and the forecast for the coming days.

Sieg River, Germany
Sieg River, Germany © Von Olbertz, GFDL

Current Water Temperature

22.3°C
Today
22.9°C
Yesterday
23.0°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Troisdorf today is 22.3°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

From June 20 to July 21

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1423.0°C20.7°C
JUL 1523.0°C20.7°C
JUL 1623.1°C20.7°C
JUL 1723.3°C20.7°C
JUL 1823.2°C20.7°C
JUL 1923.1°C20.7°C
JUL 2022.9°C20.7°C
JUL 2122.1°C20.7°C
JUL 2220.7°C22.2°C
JUL 2320.7°C22.1°C
JUL 2420.7°C22.1°C
JUL 2520.7°C22.0°C
JUL 2620.7°C21.9°C
JUL 2720.7°C21.8°C
JUL 2820.7°C21.7°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
January3°C6°C8°C
February4°C6°C8°C
March6°C9°C11°C
April7°C11°C15°C
May10°C14°C19°C
June16°C21°C25°C
July18°C21°C26°C
August17°C21°C23°C
September14°C19°C23°C
October10°C12°C14°C
November5°C9°C12°C
December3°C6°C9°C

Troisdorf: Weather Forecast

July 22

° / °
light drizzle
rain: 33% | wind:

July 23

° / °
overcast
rain: 35% | wind:

July 24

° / °
partly cloudy
rain: 0% | wind:

July 25

° / °
overcast
rain: 7% | wind:

Location & Local Information

Troisdorf, a city in North Rhine-Westphalia, Germany, lies adjacent to the Sieg River—a river steeped in calmness and brimming with an enriching natural environment. The Sieg River's water temperature varies with the prevailing weather conditions and seasons. Like other water bodies in temperate regions, the water temperature heats up during the summer and cools down during the winter. Generally, the rivers in this area tend to hover around 6-10 degrees Celsius in winter and can reach up to 16-20 degrees Celsius in summer.

While swimming in the Sieg River isn't traditionally a common activity due to its water temperature and speed of the current, it's not entirely impossible. Some individuals, especially experienced swimmers, do enjoy river swimming in the summer when the temperature is more agreeable. However, it's very important to take safety into account when considering this activity; ensuring that the current is not too strong, knowing the depth and layout of the swimming area, and being aware of any potential hazards that may exist underwater. It's also advisable to have a lifeguard or someone experienced in river swimming present.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Troisdorf?
Water Temperature in Troisdorf today is 22.3°C.
What is the water temperature in Troisdorf during the summer months?
The water temperature in Troisdorf in summer fluctuates in the range of 16°C - 26°C.
Is it possible to swim in the Sieg River in Troisdorf, and what are the available options for doing so?
Yes, it is possible to swim in the Sieg River in Troisdorf. Available options for swimming are wild or guided swimming, but observe safety regulations and water cleanliness.