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Lac des Toules

Lac des Toules Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Lac des Toules, 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

13.9°C

TODAY

14.3°C

YESTERDAY

14.5°C

A WEEK AGO

As of today, the minimum water temperature in the Lac des Toules 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 Lac des Toules Over the Last 30 Days

Today the water temperature in Lac des Toules is higher than the same day in previous years. The water temperature range here in September is from 6°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 Lac des Toules 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
Sep 714.5°C10.5°C
Sep 814.6°C10.5°C
Sep 914.8°C10.5°C
Sep 1014.5°C10.5°C
Sep 1114.3°C10.5°C
Sep 1214.3°C10.5°C
Sep 1314.3°C10.5°C
Sep 1413.9°C10.5°C
Sep 1510.5°C13.6°C
Sep 1610.5°C13.3°C
Sep 1710.5°C13.0°C
Sep 1810.5°C12.8°C
Sep 1910.5°C12.6°C
Sep 2010.5°C12.4°C
Sep 2110.5°C12.2°C
Sep 2210.5°C12.0°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 Lac des Toules by Month

January

MinimumAverageMaximum
0°C2°C4°C

February

MinimumAverageMaximum
0°C3°C6°C

March

MinimumAverageMaximum
1°C4.5°C8°C

April

MinimumAverageMaximum
1°C5.5°C10°C

May

MinimumAverageMaximum
4°C7.5°C11°C

June

MinimumAverageMaximum
5°C11.5°C18°C

July

MinimumAverageMaximum
10°C14°C18°C

August

MinimumAverageMaximum
11°C15°C19°C

September

MinimumAverageMaximum
6°C10.5°C15°C

October

MinimumAverageMaximum
4°C7°C10°C

November

MinimumAverageMaximum
1°C4°C7°C

December

MinimumAverageMaximum
0°C2°C4°C

Monthly Water Temperature Histogram for Lac des Toules

Lac des Toules Weather

SEPTEMBER 15

9°C / 14°C
slight rain showers

rain: 63% | wind: 16 km/h

SEPTEMBER 16

7°C / 12°C
slight rain showers

rain: 43% | wind: 11 km/h

SEPTEMBER 17

8°C / 19°C
partly cloudy

rain: 15% | wind: 14 km/h

SEPTEMBER 18

10°C / 19°C
partly cloudy

rain: 13% | wind: 13 km/h

SEPTEMBER 19

12°C / 21°C
partly cloudy

rain: 8% | wind: 7 km/h

Water Temperature in Lac des Toules: General Trends and Swimming Opportunities

Type: reservoir
Primary inflows: La Dranse
Primary outflows: La Dranse d\'Entremont
Catchment area: 37.6 km2 (14.5 sq mi)
Basin countries: Switzerland
Max. length: 2.0 km (1.2 mi)
Surface area: 0.61 km2 (0.24 sq mi)
Max. depth: 75 m (246 ft)
Water volume: 20.15 million cubic metres (16,340 acre⋅ft)
Surface elevation: 1,810 m (5,940 ft)

Lac des Toules is a high-altitude reservoir located in the canton of Valais, Switzerland, near the Grand Saint Bernard Pass, at an altitude of 1,810 meters (5,938 feet). The lake was created by the construction of a dam and is used for hydroelectric power generation. Surrounded by beautiful alpine landscapes, Lac des Toules is a popular destination for hikers and nature enthusiasts. Due to its high altitude, the water temperature remains cold throughout the year, ranging between 4°C and 10°C (39°F to 50°F) during the summer months, and the lake may freeze in winter.

Geographical Location of Lac des Toules

Frequently Asked Questions About Lac des Toules and its Water Temperatures

What is the current water temperature in Lac des Toules?

The water temperature today in Lac des Toules is 57°F (13.9°C).

What is the water temperature in Lac des Toules during the summer months?

The average water temperature in Lac des Toules during the summer months is typically between 46°F to 59°F (8°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 Lac des Toules in May?

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

What is the water temperature in Lac des Toules in September?

The average water temperature in Lac des Toules in September is typically between 43°F to 57°F (6°C to 14°C).

Where is Lac des Toules located?

Lac des Toules is located in Switzerland, at an elevation of 5,939 feet (1810 meters) above sea level.

Is it possible to swim in Lac des Toules and what are the possibilities for this?

Yes, it's possible to swim in Lac des Toules, Switzerland, provided you are well-prepared for its cold temperatures. This high-altitude reservoir can be accessed for swimming, but there are no official swim-related amenities or services.

What are the coordinates of Lac des Toules?

Lac des Toules is located at coordinates 45.9210°N 7.1980°E.