Water temperature in Lake Biel

This data the coastal Lake Biel water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Lake Biel

Water temperature in Lake Biel today is 11°C. Based on our historical data over a period of ten years, the warmest water in this day in Lake Biel was 16°C, and the coldest 11°C. Water temperature in Lake Biel is expected to rise to 13.3°C in the next 10 days. September average water temperature in Lake Biel is 16.8°C, the minimum temperature is 11°C, and the maximum is 23°C.

The swimming season in Lake Biel lasts from July to August. During those months, Lake Biel water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Lake Biel in winter reaches 4.2°C, in spring 9°C, in summer the average temperature rises to 19.7°C, and in autumn it is 12.5°C.

Lake Biel water temperature now

Current temperature and weather

Data in a table show Lake Biel temperature today (27 September 2025). For more information and forecast for a few days, go to the weather forecast Lake Biel.

0-3 h	3-6 h	6-9 h	9-12 h
5°C	4.9°C	8.2°C	9°C

12-15 h	15-18 h	18-21 h	21-24 h
13.1°C	9.7°C	9.9°C	6.6°C

Lake Biel water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Lake Biel. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Lake Biel on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Lake Biel

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Lake Bienne, Bielersee

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Our report for Lake Biel is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.