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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
12.0°C
TODAY
13.1°C
YESTERDAY
12.9°C
A WEEK AGO
As of today, the minimum water temperature in the Lac du Bourget 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 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 8°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 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
| Date | Current | Average | Forecast |
|---|---|---|---|
| Oct 22 | 12.9°C | 11.5°C | |
| Oct 23 | 13.1°C | 11.5°C | |
| Oct 24 | 13.1°C | 11.5°C | |
| Oct 25 | 13.0°C | 11.5°C | |
| Oct 26 | 12.7°C | 11.5°C | |
| Oct 27 | 12.7°C | 11.5°C | |
| Oct 28 | 13.1°C | 11.5°C | |
| Oct 29 | 12.0°C | 11.5°C | |
| Oct 30 | 11.5°C | 12.0°C | |
| Oct 31 | 11.5°C | 12.0°C | |
| Nov 1 | 6.0°C | 11.4°C | |
| Nov 2 | 6.0°C | 10.9°C | |
| Nov 3 | 6.0°C | 10.4°C | |
| Nov 4 | 6.0°C | 10.0°C | |
| Nov 5 | 6.0°C | 9.6°C | |
| Nov 6 | 6.0°C | 9.2°C |
Water Temperature Ranges in Lac du Bourget by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 5°C | 7°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 5.3°C | 9°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 6°C | 9°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 9.9°C | 13°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 13.5°C | 17°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 16°C | 20°C | 24°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 20°C | 25°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 21°C | 25°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 17.6°C | 23°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 11.5°C | 15°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 6°C | 9°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 5°C | 7°C |
Monthly Water Temperature Histogram for Lac du Bourget
Water Temperature in Cities and Towns on Lac du Bourget
Lac du Bourget Weather
OCTOBER 30
10°C / 19°C
slight rainrain: 34% | wind: 4 km/h
OCTOBER 31
9°C / 17°C
fograin: 30% | wind: 5 km/h
NOVEMBER 1
9°C / 21°C
slight rainrain: 26% | wind: 7 km/h
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
Nearby Lakes
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 51°F (10.5°C) to 53°F (11.8°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.


