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Holbæk — Current Water Temperature, Annual Trends and Forecast

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

Isefjord Lake, Denmark
Isefjord Lake, Denmark © Public Domain, Public domain

Current Water Temperature

20.5°C
Today
20.6°C
Yesterday
20.0°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 Holbæk today is 20.5°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 1420.0°C20.0°C
JUL 1520.2°C20.0°C
JUL 1620.8°C20.0°C
JUL 1720.8°C20.0°C
JUL 1820.8°C20.0°C
JUL 1920.8°C20.0°C
JUL 2020.6°C20.0°C
JUL 2120.5°C20.0°C
JUL 2220.0°C20.5°C
JUL 2320.0°C20.5°C
JUL 2420.0°C20.4°C
JUL 2520.0°C20.4°C
JUL 2620.0°C20.4°C
JUL 2720.0°C20.4°C
JUL 2820.0°C20.3°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
March2°C6°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
November5°C9°C12°C
December1°C5°C8°C

Holbæk: Weather Forecast

July 22

° / °
slight rain showers
rain: 82% | wind:

July 23

° / °
light drizzle
rain: 75% | wind:

July 24

° / °
light drizzle
rain: 35% | wind:

July 25

° / °
moderate drizzle
rain: 41% | wind:

Location & Local Information

Holbæk (Danish: Holbæk) in Region Zealand sits by fjord and inland water bodies that behave much like small lakes in terms of temperature. Seasonal surface temperatures in these waters typically range from about 0–4 °C (32–39 °F) in the depths of winter, through roughly 4–12 °C (39–54 °F) in spring, to commonly 18–22 °C (64–72 °F) in summer; during warm summers surface readings can briefly reach around 24 °C (75 °F). In autumn temperatures fall back toward 10–16 °C (50–61 °F) as cooling begins. Local variation depends on wind, depth and freshwater inflow, so individual spots can be a few degrees warmer or cooler than these averages.

Swimming in the Holbæk area is generally allowed and popular at designated bathing sites and beaches during the warmer months because public access is provided and authorities monitor water quality. Bathing water quality is checked regularly, but swimming may be discouraged or temporarily closed if algal blooms, pollution or high bacterial counts occur after heavy rain. Cold-water swimming is also practiced year-round by some residents, but it requires experience and caution because low temperatures increase risk of cold shock. As always, swimmers should observe local signage and guidance before entering the water.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Holbæk?
Water Temperature in Holbæk today is 20.5°C.
What is the water temperature in Holbæk during the summer months?
The water temperature in Holbæk in summer fluctuates in the range of 14°C - 25°C.
Is it possible to swim in Holbæk (Denmark) in Isefjord and what are the possibilities for this?
Yes — Holbæk lies on Isefjord and offers swimming from sandy and rocky shores, piers and marinas, plus designated bathing spots and calm sheltered waters ideal for swimming and watersports in the warmer months, though water quality and safety are monitored seasonally so you should heed local signs and guidance.