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Untersee

Water Temperature in Untersee in Hallstätter See: Current and Forecast

On this page, you will find comprehensive information about the water temperature in Untersee in Hallstätter See, 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 Untersee

12.3°C

TODAY

12.3°C

YESTERDAY

12.7°C

A WEEK AGO

As of today, the minimum water temperature in Untersee ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.

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 Hallstätter See in Untersee Over the Last 30 Days

Today the water temperature in Untersee is higher than the same day in previous years. The water temperature range here in October is from 5°C to 15°C. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Untersee 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

DateCurrentAverageForecast
Oct 1912.7°C10.0°C
Oct 2012.7°C10.0°C
Oct 2112.7°C10.0°C
Oct 2212.5°C10.0°C
Oct 2312.3°C10.0°C
Oct 2412.3°C10.0°C
Oct 2512.3°C10.0°C
Oct 2612.3°C10.0°C
Oct 2610.0°C12.1°C
Oct 2710.0°C11.9°C
Oct 2810.0°C11.7°C
Oct 2910.0°C11.5°C
Oct 3010.0°C11.4°C
Oct 3110.0°C11.3°C
Nov 18.0°C11.0°C
Nov 28.0°C10.7°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Untersee by Month

January

MinimumAverageMaximum
2°C4°C6°C

February

MinimumAverageMaximum
3°C4.5°C6°C

March

MinimumAverageMaximum
3°C4.6°C7°C

April

MinimumAverageMaximum
3°C6.5°C10°C

May

MinimumAverageMaximum
5°C8.5°C12°C

June

MinimumAverageMaximum
7°C13.5°C20°C

July

MinimumAverageMaximum
10°C16°C22°C

August

MinimumAverageMaximum
16°C21°C26°C

September

MinimumAverageMaximum
8°C13°C18°C

October

MinimumAverageMaximum
5°C10°C15°C

November

MinimumAverageMaximum
5°C8°C11°C

December

MinimumAverageMaximum
2°C4.5°C7°C

Monthly Water Temperature Histogram for Hallstätter See in Untersee

Known Beaches in the Area of Untersee?

Lake Hallstatt

Lake Hallstatt is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Untersee. There is parking. There are restrooms. Lake Hallstatt is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Untersee Weather

OCTOBER 27

3°C / 9°C
slight rain showers

rain: 97% | wind: 20 km/h

OCTOBER 28

4°C / 10°C
slight rain showers

rain: 99% | wind: 12 km/h

OCTOBER 29

7°C / 14°C
overcast

rain: 33% | wind: 8 km/h

OCTOBER 30

5°C / 16°C
overcast

rain: 3% | wind: 8 km/h

OCTOBER 31

7°C / 17°C
overcast

rain: 23% | wind: 7 km/h

Water Temperature in Untersee: General Trends and Swimming Opportunities

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.

Geographical Location of Untersee

Frequently Asked Questions About Untersee and its Water Temperatures

What is the current water temperature in Untersee?

The water temperature today in Untersee is 54°F (12.3°C).

What is the water temperature in Untersee during the summer months?

The average water temperature in Untersee during the summer months is typically between 49°F to 73°F (10°C to 23°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 Untersee in May?

The average water temperature in Untersee in May ranges from 41°F to 52°F (5°C to 11°C).

What is the water temperature in Untersee in September?

The average water temperature in Untersee in September is typically between 46°F to 61°F (8°C to 16°C).

Is it possible to swim in the Hallstätter See in Untersee, and what are the available options for doing so?

Yes, it's possible to swim in the Hallstätter See in Untersee. You can freely swim in designated areas or utilize local beach pools and boat rental services.