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Lake Sarnen

Lake Sarnen Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Lake Sarnen, 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

9.7°C

TODAY

11.3°C

YESTERDAY

11.8°C

A WEEK AGO

As of today, the minimum water temperature in the Lake Sarnen 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.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Lake Sarnen Over the Last 30 Days

Today the water temperature in Lake Sarnen is lower than the same day in previous years. The water temperature range here in November is from 7°C to 13°C. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Lake Sarnen 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
Nov 10	11.8°C	10.0°C
Nov 11	11.6°C	10.0°C
Nov 12	11.6°C	10.0°C
Nov 13	11.6°C	10.0°C
Nov 14	11.6°C	10.0°C
Nov 15	11.5°C	10.0°C
Nov 16	11.3°C	10.0°C
Nov 17	11.3°C	10.0°C
Nov 18		10.0°C	9.7°C
Nov 19		10.0°C	9.7°C
Nov 20		10.0°C	9.7°C
Nov 21		10.0°C	9.7°C
Nov 22		10.0°C	9.7°C
Nov 23		10.0°C	9.7°C
Nov 24		10.0°C	9.7°C
Nov 25		10.0°C	9.7°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 Lake Sarnen by Month

January

Minimum	Average	Maximum
4°C	6.5°C	9°C

February

Minimum	Average	Maximum
0°C	3.3°C	5°C

March

Minimum	Average	Maximum
0°C	3.5°C	7°C

April

Minimum	Average	Maximum
6°C	8.6°C	12°C

May

Minimum	Average	Maximum
12°C	14.7°C	18°C

June

Minimum	Average	Maximum
17°C	21°C	25°C

July

Minimum	Average	Maximum
20°C	24.5°C	29°C

August

Minimum	Average	Maximum
20°C	23.5°C	27°C

September

Minimum	Average	Maximum
15°C	20.5°C	26°C

October

Minimum	Average	Maximum
12°C	15°C	18°C

November

Minimum	Average	Maximum
7°C	10°C	13°C

December

Minimum	Average	Maximum
5°C	6.8°C	9°C

Monthly Water Temperature Histogram for Lake Sarnen

Water Temperature in Cities and Towns on Lake Sarnen

Sachseln

Switzerland

10.6°C

Sarnen

Switzerland

10.8°C

Lake Sarnen Weather

NOVEMBER 18

3°C / 7°C

fog

rain: 43% | wind: 8 km/h

Water Temperature in Lake Sarnen: General Trends and Swimming Opportunities

Original name of the lake: Lac de Sarnen, Sarnersee, Lago di Sarnen

Primary inflows: Aa, Grosse Melchaa, Dreiwässerkanal
Primary outflows: Sarner Aa
Basin countries: Switzerland
Max. length: 5.7 km (3.5 mi)
Max. width: 1.6 km (0.99 mi)
Surface area: 7.5 km2 (2.9 sq mi)
Average depth: 31 m (102 ft)
Max. depth: 51 m (167 ft)
Water volume: 0.239 cubic kilometres (194,000 acre⋅ft)
Residence time: 0.8 years
Surface elevation: 469 m (1,539 ft)

Lake Sarnen (Sarnersee) is a beautiful lake located in the canton of Obwalden, Switzerland. Covering an area of approximately 7.5 square kilometers (2.9 square miles), it is known for its serene atmosphere, surrounded by lush green hills and picturesque mountain views. The lake offers a variety of recreational activities, such as swimming, boating, fishing, and hiking. In the summer, the water temperature of Lake Sarnen typically ranges from 18°C to 22°C (64°F to 72°F), making it a pleasant destination for swimming and outdoor activities.

Geographical Location of Lake Sarnen

Frequently Asked Questions About Lake Sarnen and its Water Temperatures

What is the current water temperature in Lake Sarnen?

The water temperature today in Lake Sarnen is 49°F (9.7°C).

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

The average water temperature in Lake Sarnen during the summer months is typically between 70°F to 75°F (21°C to 24°C), and it can reach up to 84°F (29°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Lake Sarnen in May?

The average water temperature in Lake Sarnen in May ranges from 54°F to 64°F (12°C to 18°C).

What is the water temperature in Lake Sarnen in September?

The average water temperature in Lake Sarnen in September is typically between 64°F to 79°F (18°C to 26°C).

Where is Lake Sarnen located?

Lake Sarnen is located in Switzerland, at an elevation of 1,539 feet (469 meters) above sea level.

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

Yes, it is indeed possible to swim in Lake Sarnen, Switzerland. The lake offers various swimming areas and lidos for public use, as well as clear water for wild swimming.

What are the coordinates of Lake Sarnen?

Lake Sarnen is located at coordinates 46.8690°N 8.2210°E.