Lac de Neuchâtel Water Temperature
Live water temperature, trend and forecasts
Current water temperature
24,9°C
very pleasant waterLast measurement : 30.07.2026 21:00
24h trend
+0,2°
24h average
24,7°C
The largest lake entirely within Switzerland, Lake Neuchâtel stretches some forty kilometres between Yverdon-les-Bains and the foot of the Jura. Its southern shores, a protected nature reserve, alternate with beautiful sandy beaches such as those of Yverdon, Estavayer-le-Lac and Neuchâtel, much loved by families.
The water temperature often rises a little faster here than in the large alpine lakes: from late June, the water frequently reaches 20 to 24°C, perfect for swimming. Below you will find the current water temperature, its recent evolution and the monthly averages to plan your next swim.
7-day evolution
Daily average surface water temperatures.
Forecast
Predicted water temperatures for the coming days (simulation).
Thu 30.07
24,7°
Fri 31.07
24,8°
Sat 01.08
25,2°
Sun 02.08
25,7°
Mon 03.08
26,2°
Average temperatures month by month
Historical averages of surface water temperature, computed over the period 1983–2025.
| Month | Average | Min – Max |
|---|---|---|
| January | 6,2°C | 5,7° – 6,7° |
| February | 5,5°C | 5,4° – 5,7° |
| March | 5,7°C | 5,4° – 6,2° |
| April | 7,4°C | 6,2° – 9,2° |
| May | 12,0°C | 9,3° – 14,7° |
| June | 17,5°C | 14,9° – 20,2° |
| July | 21,3°C | 20,3° – 22,2° |
| August | 22,0°C | 21,1° – 22,3° |
| September | 19,2°C | 17,2° – 21,0° |
| October | 14,9°C | 12,8° – 17,1° |
| November | 10,6°C | 8,9° – 12,6° |
| December | 7,6°C | 6,7° – 8,8° |
Lake location
Activities around Lac de Neuchâtel
Beaches, swimming and family outings around this lake.
Want a day by the water without the crowds of the big beaches? In Grandson, southwest of Lake Neuchâtel, Bellerive beach welcomes you to a shaded lawn, with a refreshment stand and a play area for children. A simple and peaceful stop, perfect for families.
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Want a day by the water without spending a dime, just a stone's throw from Neuchâtel? The municipal beach of Boudry, located at the mouth of the Areuse on Lake Neuchâtel, combines lawn and gravel in a peaceful and family-friendly setting. A simple and free spot to swim, picnic, and enjoy the lake with family.
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Want a beach day without leaving the Swiss Romande? In Chevroux, on the southern shore of Lake Neuchâtel, a small free sandy beach awaits you, just a stone's throw from the port. Natural shade, calm swimming, and a grill available: everything you need to lay down your towel with family and enjoy the lake.
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Are you looking for a sandy beach where children can splash around peacefully? In Cheyres, on the southern shore of Lake Neuchâtel, the Plage de Cheyres stretches its fine sand between a protected natural area and the small harbor. A simple and bright interlude, just a few minutes from the train station.
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Want a day by the water with the kids, without paying an entrance fee? The beach of Chez-le-Bart, in the municipality of La Grande Béroche, combines swimming in Lake Neuchâtel, a large playground, and a beach volleyball court. The perfect spot for a family outing throughout the summer.
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Are you looking for a quiet and shaded beach for a family day by Lake Neuchâtel? The Plage de Corcelettes, also known as Les Pins, in Grandson, welcomes you to a lawn lined with pines, with direct access to the water and a place to picnic in the shade. A simple and friendly spot for nice days.
View detailsFrequently asked questions
What is the water temperature of Lac de Neuchâtel today?
The current surface water temperature of Lac de Neuchâtel is 24,9°C, with a 24,7°C average over the last 24 hours. Data is updated several times a day.
Can you swim in Lac de Neuchâtel right now?
With water at 24,9°C, the temperature of Lac de Neuchâtel is considered very pleasant for swimming. Always keep an eye on children near the water.
When is the water of Lac de Neuchâtel warmest?
Over the period 1983–2025, the water of Lac de Neuchâtel is on average warmest in August, at around 22,0°C at the surface.
Where does the temperature data come from?
Temperatures come from the Alplakes scientific platform, developed by Eawag (the Swiss Federal Institute of Aquatic Science and Technology). They are produced by the Simstrat simulation model, calibrated with real measurements.
Data provided by Alplakes (Eawag), Simstrat simulation model.