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Lac du Bourget

Lac du Bourget Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Lac du Bourget, 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

59°F

TODAY

58°F

YESTERDAY

59°F

A WEEK AGO

As of today, the minimum water temperature in the Lac du Bourget 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 du Bourget Over the Last 30 Days

Today the water temperature in Lac du Bourget is higher than the same day in previous years. The water temperature range here in October is from 46°F to 59°F. 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 Lac du Bourget 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 3059°F64°F
Oct 158°F53°F
Oct 258°F53°F
Oct 359°F53°F
Oct 458°F53°F
Oct 558°F53°F
Oct 658°F53°F
Oct 759°F53°F
Oct 853°F59°F
Oct 953°F59°F
Oct 1053°F58°F
Oct 1153°F58°F
Oct 1253°F58°F
Oct 1353°F57°F
Oct 1453°F57°F
Oct 1553°F57°F
* 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 du Bourget by Month

January

MinimumAverageMaximum
37°F41°F45°F

February

MinimumAverageMaximum
37°F42°F48°F

March

MinimumAverageMaximum
37°F43°F48°F

April

MinimumAverageMaximum
45°F50°F55°F

May

MinimumAverageMaximum
50°F56°F63°F

June

MinimumAverageMaximum
61°F68°F75°F

July

MinimumAverageMaximum
63°F68°F77°F

August

MinimumAverageMaximum
63°F70°F77°F

September

MinimumAverageMaximum
59°F64°F73°F

October

MinimumAverageMaximum
46°F53°F59°F

November

MinimumAverageMaximum
37°F43°F48°F

December

MinimumAverageMaximum
37°F41°F45°F

Monthly Water Temperature Histogram for Lac du Bourget

Water Temperature in Cities and Towns on Lac du Bourget

France (Auvergne-Rhône-Alpes)
59°F
Brison-Saint-Innocent
France (Auvergne-Rhône-Alpes)
55°F
Conjux
France (Auvergne-Rhône-Alpes)
56°F
La Chapelle-du-Mont-du-Chat
France (Auvergne-Rhône-Alpes)
55°F
Bourdeau
France (Auvergne-Rhône-Alpes)
55°F
Le Bourget-du-Lac
France (Auvergne-Rhône-Alpes)
55°F
Tresserve
France (Auvergne-Rhône-Alpes)
55°F

Lac du Bourget Weather

OCTOBER 8

45°F / 68°F
fog

rain: 0% | wind: 6 mph

OCTOBER 9

52°F / 64°F
fog

rain: 0% | wind: 6 mph

OCTOBER 10

50°F / 64°F
fog

rain: 0% | wind: 4 mph

OCTOBER 11

50°F / 68°F
fog

rain: 0% | wind: 3 mph

OCTOBER 12

50°F / 70°F
fog

rain: 0% | wind: 3 mph

Water Temperature in Lac du Bourget: General Trends and Swimming Opportunities

Max. length 18 km (11 mi)
Max. width 3.5 km (2.2 mi)
Surface area 44.5 km2 (17.2 sq mi)
Average depth 85 m (279 ft)
Max. depth 145 m (476 ft)

Lac du Bourget, located in the Savoie region of France, is the country’s largest natural lake and a popular destination for swimming, especially in summer. During the warmer months, water temperatures can reach 22-26°C (72-79°F), making it ideal for swimming and other water activities. The lake has several beaches with designated swimming areas, such as Plage du Bourget-du-Lac and Plage de Châtillon, which are monitored by lifeguards during peak season, providing a safe and enjoyable experience for visitors.

Besides swimming, Lac du Bourget offers a range of recreational options, including boating, paddleboarding, and kayaking. Surrounded by mountains and natural beauty, it’s also a favorite spot for scenic picnics and nature walks. In the colder months, the water temperature drops significantly, often falling below 10°C (50°F), making swimming less appealing. However, the lake remains a tranquil retreat for hiking and wildlife observation, attracting visitors throughout the year.

Geographical Location of Lac du Bourget

Frequently Asked Questions About Lac du Bourget and its Water Temperatures

What is the current water temperature in Lac du Bourget?

The water temperature today in Lac du Bourget ranges from 55°F (12.9°C) to 59°F (14.9°C).

What is the water temperature in Lac du Bourget during the summer months?

The average water temperature in Lac du Bourget 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 du Bourget in May?

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

What is the water temperature in Lac du Bourget in September?

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

Where is Lac du Bourget located?

Lac du Bourget is located in France in Auvergne-Rhône-Alpes, at an elevation of 758 feet (231 meters) above sea level.

Is it possible to swim in Lac du Bourget and what are the possibilities for this?

Yes, it is possible to swim in Lac du Bourget in France. The lake has several public and private beaches, as well as boat rental facilities for broader exploration.

What are the coordinates of Lac du Bourget?

Lac du Bourget is located at coordinates 45.7310°N 5.8670°E.