Untersee — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Untersee, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Untersee today is 21.4°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
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 23 | 18.6°C | 14.2°C | |
| JUN 24 | 18.8°C | 14.2°C | |
| JUN 25 | 19.2°C | 14.2°C | |
| JUN 26 | 19.9°C | 14.2°C | |
| JUN 27 | 20.0°C | 14.2°C | |
| JUN 28 | 20.8°C | 14.2°C | |
| JUN 29 | 21.4°C | 14.2°C | |
| JUN 30 | 21.4°C | 14.2°C | |
| JUL 1 | 16.0°C | 21.1°C | |
| JUL 2 | 16.0°C | 20.9°C | |
| JUL 3 | 16.0°C | 20.6°C | |
| JUL 4 | 16.0°C | 20.3°C | |
| JUL 5 | 16.0°C | 20.1°C | |
| JUL 6 | 16.0°C | 19.8°C | |
| JUL 7 | 16.0°C | 19.5°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 |
|---|---|---|---|
| January | 2°C | 4°C | 6°C |
| February | 3°C | 5°C | 7°C |
| March | 3°C | 5°C | 8°C |
| April | 3°C | 7°C | 11°C |
| May | 5°C | 11°C | 18°C |
| June | 7°C | 14°C | 22°C |
| July | 10°C | 16°C | 22°C |
| August | 16°C | 21°C | 26°C |
| September | 8°C | 13°C | 18°C |
| October | 5°C | 10°C | 15°C |
| November | 5°C | 8°C | 11°C |
| December | 2°C | 5°C | 8°C |
Untersee: Weather Forecast
June 30
July 1
July 2
July 3
July 4
Location & Local Information
Untersee, located near the Hallstätter See in Austria, is a picturesque area offering easy access to the clear, pristine waters of the lake. Hallstätter See, known for its breathtaking beauty, is one of the cleanest and most scenic lakes in the country. The water temperature of the lake fluctuates depending on the season, with average temperatures ranging from 8°C (46°F) in early spring to around 20°C (68°F) during the peak summer months. The lake's cold temperatures in spring and autumn make swimming less comfortable during those seasons, but in summer, the water becomes inviting and refreshing, ideal for swimming and other water activities.
During the summer, swimming in the Hallstätter See is quite popular, as the lake’s water is clean and clear, making it a favorite spot for both locals and tourists. The area around Untersee offers several designated swimming areas along the lakeshore, complete with scenic views of the surrounding mountains. However, visitors should be cautious as the lake can be quite deep, and the water can be colder than expected, especially in the early summer months. It is always best to check local conditions before swimming and be mindful of safety while enjoying the lake’s natural beauty.