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Lac de Longemer — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Lac de Longemer, trends, monthly ranges and the forecast for the coming days.

Lac de Longemer, France
Lac de Longemer, France © Cham, CC BY-SA 2.5

Current Water Temperature

10.7°C
Today
10.3°C
Yesterday
12.4°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Lac de Longemer today is 10.7°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

❌ As of today, the minimum water temperature 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.

Water Temperature Chart Over the Last 30 Days

From September 27 to October 28

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 2112.4°C10.0°C
OCT 2212.1°C10.0°C
OCT 2311.8°C10.0°C
OCT 2411.4°C10.0°C
OCT 2510.7°C10.0°C
OCT 2610.5°C10.0°C
OCT 2710.3°C10.0°C
OCT 2810.7°C10.0°C
OCT 2910.0°C10.5°C
OCT 3010.0°C10.3°C
OCT 3110.0°C10.1°C
NOV 17.0°C10.0°C
NOV 27.0°C9.8°C
NOV 37.0°C9.6°C
NOV 47.0°C9.4°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January0°C4°C7°C
February0°C4°C7°C
March3°C7°C10°C
April5°C9°C13°C
May8°C13°C19°C
June12°C18°C23°C
July16°C21°C26°C
August12°C18°C23°C
September10°C15°C21°C
October6°C10°C13°C
November3°C7°C10°C
December1°C5°C8°C

Lac de Longemer: Water Temperature by Location

Lac de Longemer: Weather Forecast

October 29

° / °
mainly clear
rain: 0% | wind:

October 30

° / °
partly cloudy
rain: 0% | wind:

October 31

° / °
mainly clear
rain: 0% | wind:

November 1

° / °
overcast
rain: 0% | wind:

November 2

° / °
overcast
rain: 3% | wind:

Location & Local Information

Lac de Longemer, nestled in the Vosges Mountains near Gérardmer in northeastern France, is a popular destination for swimming and other recreational activities. In the summer, the lake’s water temperature often reaches a pleasant range of 20°C to 24°C (68°F to 75°F), making it ideal for swimmers looking to cool off during warm days. There are designated swimming areas with lifeguards on duty during peak times, and the lake's natural beauty and clear water add to its appeal.

The lake offers a variety of other activities, including boating, kayaking, fishing, and hiking along scenic trails. The shores of Lac de Longemer provide several access points to the water, as well as picnic areas and nearby amenities, which make it a family-friendly spot. With a relaxed atmosphere, Lac de Longemer is cherished for its pristine environment and is popular among both locals and tourists who appreciate its natural charm and accessible swimming areas.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lac de Longemer?
Water Temperature in Lac de Longemer today is 10.7°C.
What is the water temperature in Lac de Longemer during the summer months?
The water temperature in Lac de Longemer in summer fluctuates in the range of 12°C - 26°C.
Is it possible to swim in Lac de Longemer and what are the possibilities for this?
Yes, it is possible to swim in Lac de Longemer in France. Public swimming is permitted with areas for swimming and picnicking, and there is a lifeguard on duty in the summer months.