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Demer River — Current Water Temperature, Annual Trends and Forecast

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

Demer River, Belgium
Demer River, Belgium © Par Paul Hermans, GFDL

Current Water Temperature

10.7°C
Today
11.0°C
Yesterday
12.0°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 the Demer River today is 10.7°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit 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.

Water Temperature Chart Over the Last 30 Days

From September 29 to October 30

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 2312.0°C12.6°C
OCT 2411.4°C12.6°C
OCT 2511.4°C12.6°C
OCT 2611.3°C12.6°C
OCT 2711.4°C12.6°C
OCT 2810.6°C12.6°C
OCT 2911.0°C12.6°C
OCT 3010.8°C12.6°C
OCT 3112.6°C10.6°C
NOV 19.0°C10.5°C
NOV 29.0°C10.4°C
NOV 39.0°C10.4°C
NOV 49.0°C10.3°C
NOV 59.0°C10.2°C
NOV 69.0°C10.1°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
January2°C4°C6°C
February3°C5°C8°C
March7°C9°C11°C
April8°C13°C16°C
May12°C16°C19°C
June15°C18°C22°C
July16°C19°C24°C
August17°C19°C23°C
September13°C16°C21°C
October10°C13°C16°C
November6°C9°C12°C
December2°C5°C7°C

Demer River: Water Temperature by Location

Demer River: Weather Forecast

October 31

° / °
overcast
rain: 0% | wind:

November 1

° / °
overcast
rain: 4% | wind:

November 2

° / °
fog
rain: 14% | wind:

November 3

° / °
partly cloudy
rain: 4% | wind:

November 4

° / °
clear sky
rain: 2% | wind:

Location & Local Information

Source:
• location Limburg, Belgium
Mouth:
• location Dyle
• coordinates 50.9686°N 4.6927°E
Length 85 kilometres (53 mi)

The Demer is a river in Belgium that flows through the province of Flemish Brabant and into the city of Leuven, ultimately joining the River Maas. It spans approximately 90 kilometers and is known for its pleasant natural surroundings, especially in rural areas. The water temperature in the Demer fluctuates throughout the year. During the summer months, the water temperature can rise to 18°C to 22°C (64°F to 72°F), while in the colder winter months, it can drop to around 5°C to 7°C (41°F to 45°F). The river experiences typical seasonal variation, with higher temperatures generally in June through August.

Swimming in the Demer is possible, but not always recommended, especially in urban areas. The water quality can be affected by various environmental factors such as agricultural runoff, urban development, and occasional pollution events. The river is mostly shallow in many areas, with water depths that can make swimming more challenging, especially after periods of heavy rainfall when the water levels may fluctuate. While some sections of the river are suitable for light recreational activities such as kayaking, it is important to be cautious about water quality, particularly in the more industrialized or urban stretches.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the Demer River?
Water Temperature in the Demer River today is 10.7°C.
What is the water temperature in the Demer River during the summer months?
The water temperature in the Demer River in summer fluctuates in the range of 15°C - 24°C.
Is it possible to swim in the Demer River?
Yes, it is possible to swim in the Demer River. However, due to pollution and varying current, it is often discouraged.