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Dons Lakes — Current Water Temperature, Annual Trends and Forecast

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

Odense Fjord, Denmark
Odense Fjord, Denmark © Af Hjart, CC BY-SA 4.0

Current Water Temperature

20.7°C
Today
20.8°C
Yesterday
19.6°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 Dons Lakes today is 20.7°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 June 20 to July 21

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1419.6°C20.0°C
JUL 1519.7°C20.0°C
JUL 1621.2°C20.0°C
JUL 1721.5°C20.0°C
JUL 1821.5°C20.0°C
JUL 1921.5°C20.0°C
JUL 2020.8°C20.0°C
JUL 2120.7°C20.0°C
JUL 2220.0°C20.7°C
JUL 2320.0°C20.6°C
JUL 2420.0°C20.6°C
JUL 2520.0°C20.6°C
JUL 2620.0°C20.5°C
JUL 2720.0°C20.5°C
JUL 2820.0°C20.5°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°C4°C7°C
February0°C3°C6°C
March1°C5°C9°C
April5°C9°C12°C
May9°C14°C20°C
June14°C20°C25°C
July14°C20°C25°C
August14°C20°C25°C
September11°C17°C22°C
October7°C11°C14°C
November4°C8°C12°C
December1°C5°C8°C

Dons Lakes: Water Temperature by Location

Dons Lakes: Weather Forecast

July 22

° / °
light drizzle
rain: 49% | wind:

July 23

° / °
overcast
rain: 22% | wind:

July 24

° / °
light drizzle
rain: 25% | wind:

July 25

° / °
light drizzle
rain: 48% | wind:

July 26

° / °
light drizzle
rain: 50% | wind:

Location & Local Information

The Donssøerne (Don’s Lakes) in the Region of Southern Denmark typically show marked seasonal variation in water temperature. In winter the surface often sits around 0–4 °C (32–39 °F) and can approach freezing during cold spells. Spring warming brings temperatures up to roughly 4–12 °C (39–54 °F) as ice thaws and daylight increases. By summer the lakes commonly reach their warmest, often between about 18–24 °C (64–75 °F) on mild to warm days, though short heatwaves can push values a few degrees higher. In autumn the water cools again to roughly 8–15 °C (46–59 °F) as air temperatures drop and mixing increases. These ranges are typical for modest-sized lakes in Southern Denmark and will vary with weather, depth, and local inflows.

Swimming in Donssøerne is generally possible and often allowed, reflecting Denmark’s widespread public access to inland waters, but specific conditions determine whether it is advisable at any given time. Many people swim from informal banks or marked bathing spots when water quality is good and temperatures are comfortable; however, local rules, signage, and municipal guidance should be checked because occasional algal blooms, pollution events, or safety concerns (steep drop-offs, poor visibility, absence of lifeguards) can prompt temporary restrictions. Always heed posted information and test local conditions before entering the water.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Dons Lakes?
Water Temperature in Dons Lakes today is 20.7°C.
What is the water temperature in Dons Lakes during the summer months?
The water temperature in Dons Lakes in summer fluctuates in the range of 14°C - 25°C.
Is it possible to swim in Dons lakes (Denmark) and what are the possibilities for this?
Yes — you can swim in the Dons lakes in Denmark; there are designated bathing spots with beaches and basic facilities as well as more secluded wild‑swimming areas, water quality is monitored seasonally and supervision varies, so check local notices and follow safety and access rules.