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Lac de Nantua

Lac de Nantua Current Water Temperature and Forecast

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

12.4°C

TODAY

12.1°C

YESTERDAY

14.2°C

A WEEK AGO

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

Today the water temperature in Lac de Nantua is lower than the same day in previous years. The water temperature range here in May is from 10°C to 16°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 Nantua 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
May 614.2°C13.4°C
May 713.2°C13.4°C
May 812.9°C13.4°C
May 912.7°C13.4°C
May 1012.2°C13.4°C
May 1112.2°C13.4°C
May 1212.1°C13.4°C
May 1312.6°C13.4°C
May 1413.4°C12.5°C
May 1513.4°C12.6°C
May 1613.4°C12.7°C
May 1713.4°C12.7°C
May 1813.4°C12.7°C
May 1913.4°C12.7°C
May 2013.4°C12.7°C
May 2113.4°C12.7°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 Lac de Nantua by Month

January

MinimumAverageMaximum
3°C5°C7°C

February

MinimumAverageMaximum
3°C5.3°C9°C

March

MinimumAverageMaximum
3°C6°C9°C

April

MinimumAverageMaximum
7°C9.9°C13°C

May

MinimumAverageMaximum
10°C13.4°C16°C

June

MinimumAverageMaximum
16°C18.5°C23°C

July

MinimumAverageMaximum
17°C20°C25°C

August

MinimumAverageMaximum
17°C21.4°C23°C

September

MinimumAverageMaximum
15°C17.6°C23°C

October

MinimumAverageMaximum
8°C11°C14°C

November

MinimumAverageMaximum
3°C6°C9°C

December

MinimumAverageMaximum
3°C5°C7°C

Monthly Water Temperature Histogram for Lac de Nantua

Water Temperature in Cities and Towns on Lac de Nantua

Nantua
France (Auvergne-Rhône-Alpes)
12.4°C
Port
France (Auvergne-Rhône-Alpes)
12.3°C

Lac de Nantua Weather

MAY 14

7°C / 22°C
partly cloudy

rain: 5% | wind: 12 km/h

MAY 15

9°C / 23°C
partly cloudy

rain: 0% | wind: 23 km/h

MAY 16

6°C / 20°C
mainly clear

rain: 0% | wind: 22 km/h

MAY 17

7°C / 20°C
clear sky

rain: 0% | wind: 20 km/h

MAY 18

7°C / 22°C
overcast

rain: 0% | wind: 20 km/h

MAY 19

5°C / 23°C
mainly clear

rain: 5% | wind: 15 km/h

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

Lac de Nantua, located in the Ain department of eastern France, is a scenic glacial lake known for its turquoise-blue water and mountainous surroundings. The lake, which spans approximately 141 hectares, reaches depths of up to 42 meters, which means its water temperature can vary depending on the season and depth. In summer, the surface temperature typically warms up to around 22–24°C (72–75°F), making it comfortable for swimming, particularly from June to August. In cooler months, the temperature can drop significantly, which attracts fewer swimmers but remains popular with nature lovers and outdoor enthusiasts.

Swimming in Lac de Nantua is a popular activity, and there are designated areas for swimmers. The lake’s calm and clear water creates a pleasant swimming experience, and amenities such as beaches and picnic areas enhance its appeal as a family-friendly destination. The Plage de Nantua, the main beach area, has supervised swimming zones in summer, ensuring safety for visitors. In addition to swimming, the lake also offers opportunities for other water sports, such as paddleboarding and kayaking, making it a versatile location for water-based recreation.

Geographical Location of Lac de Nantua

Frequently Asked Questions About Lac de Nantua and its Water Temperatures

What is the current water temperature in Lac de Nantua?

The water temperature today in Lac de Nantua is 54°F (12.4°C).

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

The average water temperature in Lac de Nantua 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 Nantua in May?

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

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

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

Where is Lac de Nantua located?

Lac de Nantua is located in France in Auvergne-Rhône-Alpes, at an elevation of 1,555 feet (474 meters) above sea level.

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

Yes, it is possible to swim in Lac de Nantua, France. The lake offers public beaches, lifeguard services, swimming schools and also allows for free access swimming.

What are the coordinates of Lac de Nantua?

Lac de Nantua is located at coordinates 46.1610°N 5.5890°E.