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Visnaren Lake — Current Water Temperature, Annual Trends and Forecast

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

Mälaren Lake, Sweden
Mälaren Lake, Sweden © CC BY-SA 3.0, GFDL

Current Water Temperature

14.5°C
Today
14.8°C
Yesterday
15.4°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 Visnaren Lake today is 14.5°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 August 21 to September 21

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 1315.4°C18.0°C
SEP 1415.7°C18.0°C
SEP 1515.7°C18.0°C
SEP 1615.6°C18.0°C
SEP 1715.4°C18.0°C
SEP 1815.0°C18.0°C
SEP 1914.8°C18.0°C
SEP 2014.6°C18.0°C
SEP 2118.0°C14.7°C
SEP 2218.0°C14.9°C
SEP 2318.0°C15.0°C
SEP 2418.0°C15.2°C
SEP 2518.0°C15.4°C
SEP 2618.0°C15.6°C
SEP 2718.0°C15.7°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°C3°C6°C
February0°C3°C6°C
March0°C4°C7°C
April4°C8°C11°C
May7°C12°C18°C
June12°C18°C24°C
July16°C22°C27°C
August17°C22°C27°C
September12°C18°C23°C
October7°C11°C14°C
November3°C7°C10°C
December0°C4°C7°C

Visnaren Lake: Water Temperature by Location

Visnaren Lake: Weather Forecast

September 21

° / °
light drizzle
rain: 27% | wind:

September 22

° / °
mainly clear
rain: 0% | wind:

September 23

° / °
fog
rain: 21% | wind:

September 24

° / °
fog
rain: 29% | wind:

September 25

° / °
overcast
rain: 8% | wind:

September 26

° / °
overcast
rain: 15% | wind:

Location & Local Information

Visnaren is a medium-sized lake in Södermanland, Sweden, known locally as Visnaren. Water temperatures follow the typical Nordic seasonal pattern: in summer the surface commonly warms to about 15–22 °C (59–72 °F), and in sheltered shallow bays it can occasionally reach around 24 °C (75 °F) during prolonged warm spells. Spring sees a rapid rise from near-freezing to roughly 2–10 °C (36–50 °F) as ice melts and the water stratifies. Autumn temperatures generally fall back to the 8–14 °C range (46–57 °F) as cooling and wind mix the water. In winter the lake is often close to 0 °C (32 °F) and can develop stable ice cover during cold periods, making open-water temperatures effectively at or below freezing until thaw.

Swimming in Visnaren is generally allowed and is a common recreational activity in the warmer months, with locals using natural shores, docks, and occasional bathing spots. Whether a particular spot is suitable depends on water quality, accessibility, and safety factors such as sudden depth changes, underwater vegetation, or boat traffic. Because conditions vary seasonally and locally, swimmers are advised to choose established bathing areas when possible and to check local municipal or community information for current water-quality advisories and any temporary restrictions.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Visnaren Lake?
Water Temperature in Visnaren Lake today is 14.5°C.
What is the water temperature in Visnaren Lake during the summer months?
The water temperature in Visnaren Lake in summer fluctuates in the range of 12°C - 27°C.
Is it possible to swim in Visnaren (Sweden) and what are the possibilities for this?
Yes — Visnaren is suitable for swimming, with natural sandy and rocky shorelines, sheltered bays and small bathing spots where you can swim from beaches, piers or boats, though facilities are limited and conditions (temperature, clarity and currents) vary with season and exact location.