Search for cities, countries, lakes and rivers

LAKES > FRANCE > BOURGOGNE-FRANCHE-COMTé

Lac d'Ilay

Lac d'Ilay Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Lac d'Ilay, 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

12.5°C

TODAY

12.0°C

YESTERDAY

13.2°C

A WEEK AGO

As of today, the minimum water temperature in the Lac d'Ilay 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 d'Ilay Over the Last 30 Days

Today the water temperature in Lac d'Ilay 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 d'Ilay 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
May 6	13.2°C	13.4°C
May 7	13.3°C	13.4°C
May 8	12.7°C	13.4°C
May 9	12.1°C	13.4°C
May 10	11.8°C	13.4°C
May 11	12.0°C	13.4°C
May 12	12.0°C	13.4°C
May 13	12.5°C	13.4°C
May 14		13.4°C	12.6°C
May 15		13.4°C	12.7°C
May 16		13.4°C	12.7°C
May 17		13.4°C	12.7°C
May 18		13.4°C	12.7°C
May 19		13.4°C	12.7°C
May 20		13.4°C	12.7°C
May 21		13.4°C	12.7°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 d'Ilay 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	13.4°C	16°C

June

Minimum	Average	Maximum
16°C	18.5°C	23°C

July

Minimum	Average	Maximum
17°C	20°C	25°C

August

Minimum	Average	Maximum
17°C	21.4°C	23°C

September

Minimum	Average	Maximum
15°C	17.6°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
3°C	5°C	7°C

Monthly Water Temperature Histogram for Lac d'Ilay

Lac d'Ilay Weather

MAY 14

7°C / 21°C

fog

rain: 28% | wind: 11 km/h

MAY 15

7°C / 22°C

overcast

rain: 5% | wind: 20 km/h

MAY 16

9°C / 21°C

partly cloudy

rain: 5% | wind: 21 km/h

Water Temperature in Lac d'Ilay: General Trends and Swimming Opportunities

Max. length: 1.9 km (1.2 mi)
Max. width: 0.4 km (0.25 mi)
Surface area: 72 ha (180 acres)
Average depth: 10.3 m (34 ft)
Max. depth: 32 m (105 ft)
Surface elevation: 774 m (2,539 ft)
Islands: 1 (Île de la Motte)

Lac d’Ilay, nestled in the Jura mountains of eastern France, is renowned for its clear, turquoise waters and serene surroundings. In summer, water temperatures in Lac d’Ilay generally reach between 20°C and 23°C (68°F and 73°F), providing comfortable conditions for swimming, especially during warm days. The lake is part of a protected natural area, and its remote setting offers a peaceful experience for those seeking a refreshing swim in a natural environment. The lake's shores, with pebble beaches and shaded spots, invite visitors for picnics, sunbathing, and leisurely swims in the summer.

Swimming in Lac d’Ilay is popular among locals and visitors looking for a quiet, scenic retreat away from busier tourist areas. The surrounding trails are excellent for hiking, allowing for beautiful views of the lake and its forested surroundings. While Lac d’Ilay is relatively safe for swimming, caution is advised as the lake’s bed can be rocky and uneven, and water depth varies in certain parts.

Geographical Location of Lac d'Ilay

Frequently Asked Questions About Lac d'Ilay and its Water Temperatures

What is the current water temperature in Lac d'Ilay?

The water temperature today in Lac d'Ilay is 55°F (12.5°C).

What is the water temperature in Lac d'Ilay during the summer months?

The average water temperature in Lac d'Ilay 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 d'Ilay in May?

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

What is the water temperature in Lac d'Ilay in September?

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

Where is Lac d'Ilay located?

Lac d'Ilay is located in France in Bourgogne-Franche-Comté, at an elevation of 2,539 feet (774 meters) above sea level.

Is it possible to swim in Lac d'Ilay and what are the possibilities for this?

Yes, it is possible to swim in Lac d'Ilay in France. The lake offers designated swimming locations, often with lifeguards during the summer months, along with boat rentals for exploring.

What are the coordinates of Lac d'Ilay?

Lac d'Ilay is located at coordinates 46.6250°N 5.8970°E.