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Lac de Pormenaz

Lac de Pormenaz Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Lac de Pormenaz, 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

14.0°C

TODAY

14.4°C

YESTERDAY

14.6°C

A WEEK AGO

As of today, the minimum water temperature in the Lac de Pormenaz 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 de Pormenaz Over the Last 30 Days

Today the water temperature in Lac de Pormenaz is lower than the same day in previous years. The water temperature range here in September is from 14°C to 23°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 de Pormenaz 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
Sep 7	14.6°C	18.5°C
Sep 8	14.8°C	18.5°C
Sep 9	15.0°C	18.5°C
Sep 10	14.6°C	18.5°C
Sep 11	14.4°C	18.5°C
Sep 12	14.4°C	18.5°C
Sep 13	14.4°C	18.5°C
Sep 14	14.0°C	18.5°C
Sep 15		18.5°C	14.3°C
Sep 16		18.5°C	14.6°C
Sep 17		18.5°C	14.8°C
Sep 18		18.5°C	15.0°C
Sep 19		18.5°C	15.2°C
Sep 20		18.5°C	15.4°C
Sep 21		18.5°C	15.6°C
Sep 22		18.5°C	15.8°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 de Pormenaz by Month

January

Minimum	Average	Maximum
0°C	2.5°C	5°C

February

Minimum	Average	Maximum
0°C	4.5°C	9°C

March

Minimum	Average	Maximum
1°C	5°C	9°C

April

Minimum	Average	Maximum
1°C	7°C	13°C

May

Minimum	Average	Maximum
4°C	10°C	16°C

June

Minimum	Average	Maximum
7°C	15°C	23°C

July

Minimum	Average	Maximum
16°C	20.5°C	25°C

August

Minimum	Average	Maximum
15°C	19°C	23°C

September

Minimum	Average	Maximum
14°C	18.5°C	23°C

October

Minimum	Average	Maximum
8°C	11°C	14°C

November

Minimum	Average	Maximum
3°C	6°C	9°C

December

Minimum	Average	Maximum
1°C	3°C	5°C

Monthly Water Temperature Histogram for Lac de Pormenaz

Lac de Pormenaz Weather

Water Temperature in Lac de Pormenaz: General Trends and Swimming Opportunities

Lac de Pormenaz, located in the French Alps near Passy in Haute-Savoie, is a beautiful high-altitude lake set at about 1,945 meters (6,381 feet) above sea level. Surrounded by rocky terrain and alpine meadows, it’s a popular destination for hikers seeking a remote and picturesque spot. Due to its altitude, the lake's water temperature remains quite cool even during summer, usually ranging from 10 to 15°C (50–59°F). This temperature provides a bracing experience, making swimming here more suited for a quick, refreshing dip rather than extended swimming sessions.

Swimming in Lac de Pormenaz is possible but not widely practiced due to the cold water and the lack of amenities or lifeguard supervision. Swimmers who are comfortable with the chilly temperature enjoy the lake as a peaceful and secluded spot to cool off after a hike. However, given its natural environment, swimmers should be cautious and well-prepared for the alpine conditions. The lake is an ideal destination for adventurous visitors who appreciate serene surroundings and don’t mind the brisk water temperature.

Geographical Location of Lac de Pormenaz

Frequently Asked Questions About Lac de Pormenaz and its Water Temperatures

What is the current water temperature in Lac de Pormenaz?

The water temperature today in Lac de Pormenaz is 57°F (14.0°C).

What is the water temperature in Lac de Pormenaz during the summer months?

The average water temperature in Lac de Pormenaz during the summer months is typically between 65°F to 71°F (19°C to 21°C), and it can reach up to 77°F (25°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Lac de Pormenaz in May?

The average water temperature in Lac de Pormenaz in May ranges from 50°F to 61°F (10°C to 16°C).

What is the water temperature in Lac de Pormenaz in September?

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

Where is Lac de Pormenaz located?

Lac de Pormenaz is located in France in Auvergne-Rhône-Alpes, at an elevation of 6,382 feet (1945 meters) above sea level.

Is it possible to swim in Lac de Pormenaz and what are the possibilities for this?

Yes, it is possible to swim in Lac de Pormenaz in France. However, there are no specific facilities provided, so swimming is at your own risk and suitability depends on the weather.

What are the coordinates of Lac de Pormenaz?

Lac de Pormenaz is located at coordinates 45.9620°N 6.7940°E.