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Isar River
Isar River Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Isar 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 Isar River
4.2°C
TODAY
3.7°C
YESTERDAY
4.7°C
A WEEK AGO
As of today, the minimum water temperature in the Isar River ranges less than 41°F (5°C). Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters.
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 Isar River Over the Last 30 Days
Today the water temperature in Isar River is higher than the same day in previous years. The water temperature range here in February is from 0°C to 6°C. The water temperature has decreased over the past 7 days but has increased over the past month.
The forecasted water temperature values for Isar 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.
Daily Water Temperature Chart
| Date | Current | Average | Forecast |
|---|---|---|---|
| Feb 15 | 4.7°C | 3.0°C | |
| Feb 16 | 3.6°C | 3.0°C | |
| Feb 17 | 3.2°C | 3.0°C | |
| Feb 18 | 3.9°C | 3.0°C | |
| Feb 19 | 3.8°C | 3.0°C | |
| Feb 20 | 3.7°C | 3.0°C | |
| Feb 21 | 3.7°C | 3.0°C | |
| Feb 22 | 4.2°C | 3.0°C | |
| Feb 23 | 3.0°C | 4.1°C | |
| Feb 24 | 3.0°C | 4.0°C | |
| Feb 25 | 3.0°C | 3.9°C | |
| Feb 26 | 3.0°C | 3.8°C | |
| Feb 27 | 3.0°C | 3.7°C | |
| Feb 28 | 3.0°C | 3.6°C | |
| Mar 1 | 4.2°C | 3.6°C | |
| Mar 2 | 4.2°C | 3.6°C |
Water Temperature Ranges in Isar River by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 1°C | 3.1°C | 5°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 0°C | 3°C | 6°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 2°C | 4.2°C | 7°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 4°C | 6.5°C | 10°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 5°C | 8°C | 11°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 6°C | 9.2°C | 13°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 14°C | 17°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 11°C | 15°C | 19°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 6°C | 8.5°C | 14°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 4°C | 6.8°C | 9°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 2°C | 5.3°C | 7°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 1°C | 3.1°C | 5°C |
Monthly Water Temperature Histogram for Isar River
Water Temperature in Cities and Towns on Isar River
Isar River Weather
FEBRUARY 23
4°C / 10°C
overcastrain: 40% | wind: 9 km/h
FEBRUARY 24
2°C / 10°C
overcastrain: 10% | wind: 4 km/h
FEBRUARY 25
3°C / 10°C
overcastrain: 53% | wind: 9 km/h
FEBRUARY 26
0°C / 3°C
slight rainrain: 70% | wind: 7 km/h
Water Temperature in Isar River: General Trends and Swimming Opportunities
Source:
• location Eiskarlspitze, Alps, Austria
• coordinates 47°22′29″N 11°24′43″E
• elevation 1,160 m (3,810 ft)
Mouth:
• location Danube
• coordinates 48°48′11″N 12°58′35″E
Length 291.5 km (181.1 mi)
The Isar River flows through both Austria and Germany, originating in the Tyrol Alps of Austria and winding through the Bavarian countryside in Germany. Its source in the mountains results in cold, clear water, especially in its upper stretches. During the summer months, the water temperature of the Isar typically ranges from 10°C to 18°C (50°F to 64°F), which can feel refreshing but is generally too cold for prolonged swimming, particularly in the upper sections. The water temperature rises slightly in the lower sections as it flows through more settled areas, especially in Munich, but even in these parts, the water remains relatively cool compared to many other rivers or lakes.
Swimming in the Isar is popular, particularly in the warmer months. The river is known for its beautiful scenery and many accessible spots, especially near Munich, where locals and tourists enjoy cooling off during the summer. While the upper Isar is faster-flowing and colder, there are calmer sections lower down where swimming is more common. The river offers both natural beaches and designated swimming areas, where the water conditions are considered safe. However, swimmers should still be cautious of strong currents, especially after heavy rains, which can make the water flow faster and stronger. For safety, it is best to swim in designated areas where local authorities ensure the water conditions are suitable for swimming.
Geographical Location of Isar River
Frequently Asked Questions About Isar River and its Water Temperatures
What is the current water temperature in Isar River?
The water temperature today in Isar River ranges from 38°F (3.2°C) to 40°F (4.6°C).
What is the water temperature in Isar River during the summer months?
The average water temperature in Isar River during the summer months is typically between 49°F to 59°F (9°C to 15°C), and it can reach up to 66°F (19°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Isar River in May?
The average water temperature in Isar River in May ranges from 41°F to 52°F (5°C to 11°C).
What is the water temperature in Isar River in September?
The average water temperature in Isar River in September is typically between 43°F to 57°F (6°C to 14°C).
Where does Isar River flow?
Isar River flows through Austria, Germany (Bavaria).
Is it possible to swim in the Isar River?
Yes, it is possible to swim in the Isar River in Munich, Germany. However, caution is recommended due to its strong currents.
What major cities are located on Isar River?
Cities along the course of Isar River include Dingolfing (Bavaria), Freising (Bavaria), Geretsried (Bavaria), Landshut (Bavaria), Munich (Bavaria).