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Lake Thun

Lake Thun Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Lake Thun, 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 Lake Water Temperature Information

10.2°C

TODAY

8.9°C

YESTERDAY

9.2°C

A WEEK AGO

As of today, the minimum water temperature in the Lake Thun ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing 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.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Lake Thun Over the Last 30 Days

Today the water temperature in Lake Thun is higher than the same day in previous years. The water temperature range here in April is from 5°C to 11°C. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.

The forecasted water temperature values for Lake Thun 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

DateCurrentAverageForecast
Mar 249.2°C7.5°C
Mar 259.3°C7.5°C
Mar 269.4°C7.5°C
Mar 279.3°C7.5°C
Mar 289.1°C7.5°C
Mar 299.6°C7.5°C
Mar 318.9°C7.5°C
Apr 110.2°C7.8°C
Apr 27.8°C10.1°C
Apr 37.8°C10.0°C
Apr 47.8°C9.9°C
Apr 57.8°C9.8°C
Apr 67.8°C9.7°C
Apr 77.8°C9.6°C
Apr 87.8°C9.5°C
Apr 97.8°C9.4°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 Lake Thun by Month

January

MinimumAverageMaximum
2°C5°C8°C

February

MinimumAverageMaximum
2°C4.5°C7°C

March

MinimumAverageMaximum
5°C7.5°C10°C

April

MinimumAverageMaximum
5°C7.8°C11°C

May

MinimumAverageMaximum
9°C12°C15°C

June

MinimumAverageMaximum
14°C17.4°C21°C

July

MinimumAverageMaximum
16°C19.4°C24°C

August

MinimumAverageMaximum
15°C19.6°C23°C

September

MinimumAverageMaximum
15°C18°C23°C

October

MinimumAverageMaximum
11°C14°C17°C

November

MinimumAverageMaximum
8°C10.6°C13°C

December

MinimumAverageMaximum
3°C5.5°C8°C

Monthly Water Temperature Histogram for Lake Thun

Water Temperature in Cities and Towns on Lake Thun

Switzerland
10.3°C
Hilterfingen
Switzerland
8.9°C
Oberhofen
Switzerland
8.9°C
Sigriswil
Switzerland
9.0°C
Därligen
Switzerland
8.6°C
Leissigen
Switzerland
8.6°C
Krattigen
Switzerland
8.8°C
Switzerland
10.2°C

Lake Thun Weather

APRIL 2

0°C / 13°C
fog

rain: 0% | wind: 8 km/h

APRIL 3

4°C / 17°C
fog

rain: 0% | wind: 7 km/h

APRIL 4

2°C / 18°C
overcast

rain: 0% | wind: 9 km/h

Water Temperature in Lake Thun: General Trends and Swimming Opportunities

Original name of the lake: Lac de Thoune, Thunersee, Lago di Thun

Type: freshwater fjord, recent regulation
Primary inflows: Aare
Kander
Primary outflows: Aare
Catchment area: 2,500 km2 (970 sq mi)
Basin countries: Switzerland
Max. length: 17.5 km (10.9 mi)
Max. width: 3.5 km (2.2 mi)
Surface area: 48.3 km2 (18.6 sq mi)
Average depth: 136 m (446 ft)
Max. depth: 217 m (712 ft)
Water volume: 6.5 km3 (5,300,000 acre⋅ft)
Residence time: 684 days
Surface elevation: 558 m (1,831 ft)

Lake Thun is located in the Bernese Oberland region of Switzerland, nestled between the towns of Thun and Interlaken. With an area of about 48.3 square kilometers and a maximum depth of 217 meters, it is a popular destination for water sports, sailing, and sightseeing. The water in Lake Thun comes from surrounding glaciers and rivers, which contributes to its cold, crystal-clear nature.

The water temperature in Lake Thun varies significantly depending on the season. In winter, the temperature can drop close to 4°C, while in summer, it can reach around 20°C, making it ideal for swimming during warmer months. However, even in summer, the water may feel cool due to the lake's depth and inflows from cold mountain streams.

Geographical Location of Lake Thun

Frequently Asked Questions About Lake Thun and its Water Temperatures

What is the current water temperature in Lake Thun?

The water temperature today in Lake Thun ranges from 47°F (8.6°C) to 51°F (10.3°C).

What is the water temperature in Lake Thun during the summer months?

The average water temperature in Lake Thun during the summer months is typically between 63°F to 67°F (17°C to 20°C), and it can reach up to 75°F (24°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Lake Thun in May?

The average water temperature in Lake Thun in May ranges from 48°F to 59°F (9°C to 15°C).

What is the water temperature in Lake Thun in September?

The average water temperature in Lake Thun in September is typically between 59°F to 73°F (15°C to 23°C).

Where is Lake Thun located?

Lake Thun is located in Switzerland, at an elevation of 1,831 feet (558 meters) above sea level.

Is it possible to swim in Lake Thun and what are the possibilities for this?

Yes, it is possible to swim in Lake Thun, Switzerland. The lake has several public bathing areas, private beach resorts, and boat rental facilities for swimming and other water activities.

What are the coordinates of Lake Thun?

Lake Thun is located at coordinates 46.6990°N 7.7020°E.