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Flachsee — Current Water Temperature, Annual Trends and Forecast

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

Flachsee, Switzerland
Flachsee, Switzerland © By Badener - Own work, GFDL

Current Water Temperature

21.2°C
Today
20.5°C
Yesterday
21.6°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 Flachsee today is 21.2°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 May 10 to June 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 321.5°C22.2°C
JUN 421.5°C22.2°C
JUN 520.0°C22.2°C
JUN 619.8°C22.2°C
JUN 720.5°C22.2°C
JUN 820.5°C22.2°C
JUN 1021.2°C22.2°C
JUN 1122.2°C21.3°C
JUN 1222.2°C21.3°C
JUN 1322.2°C21.4°C
JUN 1422.2°C21.4°C
JUN 1522.2°C21.5°C
JUN 1622.2°C21.5°C
JUN 1722.2°C21.6°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
January3°C7°C10°C
February3°C5°C7°C
March4°C6°C10°C
April6°C11°C16°C
May13°C18°C22°C
June19°C22°C26°C
July22°C25°C30°C
August21°C25°C29°C
September16°C21°C26°C
October11°C14°C17°C
November7°C10°C13°C
December4°C7°C10°C

Flachsee: Water Temperature by Location

Flachsee: Weather Forecast

June 9

° / °
slight thunderstorm
rain: 98% | wind:

June 10

° / °
slight thunderstorm
rain: 76% | wind:

June 11

° / °
slight thunderstorm
rain: 69% | wind:

June 12

° / °
slight rain
rain: 38% | wind:

June 13

° / °
fog
rain: 26% | wind:

June 14

° / °
mainly clear
rain: 10% | wind:

Location & Local Information

Type: reservoir
Primary inflows: Reuss
Primary outflows: Reuss
Basin countries: Switzerland
Surface area: 72 ha (180 acres)
Max. depth: 7 m (23 ft)
Surface elevation: 378 m (1,240 ft)

Flachsee is a picturesque lake located in the Canton of Zurich, Switzerland. Surrounded by lush forests and rolling hills, it offers a serene environment for visitors looking to escape the hustle and bustle of city life. The lake is popular for fishing, hiking, and swimming, attracting nature lovers and outdoor enthusiasts alike. The pristine waters of Flachsee are known for their clarity and cleanliness, making it an inviting spot for swimming, especially during the summer months.

The water temperature in Flachsee varies throughout the year, reaching its peak during the warmer months. The lake's temperatures are typically pleasant for swimming from late spring to early autumn.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Flachsee?
Water Temperature in Flachsee today is 21.2°C.
What is the water temperature in Flachsee during the summer months?
The water temperature in Flachsee in summer fluctuates in the range of 19°C - 30°C.
Is it possible to swim in Flachsee and what are the possibilities for this?
Yes, it is possible to swim in Flachsee, Switzerland. You can access the water from the numerous grassy banks which allow for easy entry and there's also a bird observatory towards the southern end.