Water temperature in IJsselmeer in August

Is it warm enough to swim in IJsselmeer in August? Average water temperature in IJsselmeer in August is 19.6°C and therefore is not suitable for comfortable swimming. The warmest water in IJsselmeer in August is 25°C, and the coldest is 15.9°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in IJsselmeer

Changes water temperature in IJsselmeer in August 2025, 2024

To get an accurate forecast for the water temperature in IJsselmeer for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in IJsselmeer, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 August	19.8°C	21.6°C	17.8°C	23.1°C
2 August	19.7°C	22.8°C	17.9°C	23.5°C
3 August	19.4°C	21.6°C	17.5°C	23.8°C
4 August	19.3°C	21.5°C	17.7°C	23.5°C
5 August	19.2°C	21.5°C	18.2°C	23.6°C
6 August	19.1°C	21.3°C	18.1°C	23.6°C
7 August	18.8°C	21.9°C	18.1°C	22.1°C
8 August	19.8°C	21.9°C	17.6°C	23°C
9 August	19.5°C	21.4°C	17.7°C	22.7°C
10 August	19.9°C	21.6°C	17.7°C	24°C
11 August	20.4°C	21.8°C	17.8°C	23.7°C
12 August	21.1°C	22.5°C	17.9°C	23.9°C
13 August	20.8°C	20.9°C	17.9°C	23.6°C
14 August	21.7°C	22.3°C	18°C	23.5°C
15 August	22.3°C	21.9°C	18°C	23.8°C

Day	2025	2024	Min	Max
16 August	21.3°C	22.1°C	18°C	25°C
17 August	21.1°C	22.3°C	17.9°C	24.3°C
18 August	20.9°C	21.6°C	17.7°C	23.7°C
19 August	21.1°C	21.2°C	17.3°C	23.6°C
20 August	20.5°C	21°C	17.4°C	23.2°C
21 August	20.6°C	20.4°C	17.1°C	23.4°C
22 August	20.1°C	20.2°C	16.6°C	22.3°C
23 August	18.9°C	19.4°C	16°C	22.2°C
24 August	18.9°C	19.8°C	16.1°C	23.1°C
25 August	19.4°C	19.3°C	16.2°C	23°C
26 August	19°C	18.9°C	15.9°C	22.1°C
27 August	18.9°C	19.2°C	16°C	22.4°C
28 August	19.4°C	20.9°C	16.2°C	21.8°C
29 August	19°C	19.9°C	17.3°C	21.4°C
30 August	19.3°C	20.1°C	17.2°C	21.2°C
31 August	18.8°C	19.8°C	16.9°C	20.9°C

Average water temperature in IJsselmeer in August over a decade

2016	2017	2018	2019	2020
19.6°C	19.3°C	20.7°C	20°C	21.5°C

2021	2022	2023	2024	2025
19°C	21.6°C	19.5°C	21.1°C	19.4°C

IJsselmeer sea state in August

Chart comparing the height of waves in IJsselmeer in August over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

IJsselmeer water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Harlingen	19.3°C	15.4°C	23.8°C
Den Helder	19.2°C	16.6°C	22.5°C
Egmond Aan Zee	19.2°C	17.2°C	21.5°C
Castricum	19.3°C	17.2°C	21.6°C
IJmuiden	19.3°C	17.2°C	21.7°C
Wijk aan Zee	19.3°C	17.2°C	21.7°C
Zandvoort	19.3°C	17.3°C	21.6°C
Bloemendaal aan Zee	19.3°C	17.3°C	21.6°C
Haarlem	19.3°C	17.3°C	21.6°C
Amsterdam	19.2°C	17.1°C	21.7°C

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Our report for IJsselmeer 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.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature