Water temperature in Annecy

This data the coastal Annecy 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 Annecy

Water temperature in Annecy today is 17°C. Based on our historical data over a period of ten years, the warmest water in this day in Annecy was recorded in 2018 and was 21°C, and the coldest was recorded in 2017 at 12°C. Water temperature in Annecy is expected to drop to 14.7°C in the next 10 days. September average water temperature in Annecy is 17.6°C, the minimum temperature is 11°C, and the maximum is 23°C.

The swimming season in Annecy lasts from July to August. During those months, Annecy water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Annecy in winter reaches 4.7°C, in spring 10.1°C, in summer the average temperature rises to 20.4°C, and in autumn it is 13°C.

Annecy water temperature now

Current temperature and weather

Data in a table show Annecy temperature today (21 September 2025). For more information and forecast for a few days, go to the weather forecast Annecy.

0-3 h	3-6 h	6-9 h	9-12 h
17°C	16.5°C	15.9°C	18.5°C

12-15 h	15-18 h	18-21 h	21-24 h
22.6°C	22.4°C	16.9°C	8.2°C

Annecy water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Annecy. 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 Annecy 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 Annecy

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Lake Annecy

Get widget or API for your website

Our report for Annecy 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.