Water temperature in Haarlem in August

Is it warm enough to swim in Haarlem in August? Average water temperature in Haarlem in August is 19.3°C and therefore is not suitable for comfortable swimming. The warmest sea in Haarlem in August is 21.6°C, and the coldest is 17.3°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Haarlem

Changes water temperature in Haarlem in August 2025, 2024

To get an accurate forecast for the water temperature in Haarlem for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Haarlem, 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	19.6°C	20°C	17.8°C	20.8°C
2 August	19.4°C	19.8°C	17.8°C	21°C
3 August	19.8°C	19.9°C	17.3°C	21.3°C
4 August	19.6°C	20°C	17.5°C	21°C
5 August	19.5°C	20.1°C	17.9°C	21.2°C
6 August	19.3°C	20.5°C	17.8°C	21.6°C
7 August	19.2°C	20.4°C	17.8°C	20.7°C
8 August	20.3°C	20.3°C	17.8°C	21.2°C
9 August	19.8°C	20.7°C	17.6°C	20.9°C
10 August	20.3°C	20.5°C	17.7°C	21.2°C
11 August	20.2°C	21.1°C	17.8°C	21.2°C
12 August	20.6°C	21.1°C	17.9°C	21.5°C
13 August	20.1°C	20.3°C	17.9°C	21.6°C
14 August	20.4°C	20.5°C	18°C	21.1°C
15 August	20.6°C	20.8°C	18.1°C	21.4°C

Day	2025	2024	Min	Max
16 August	20.5°C	20.9°C	18°C	21.2°C
17 August	20.4°C	20.7°C	18.1°C	21.2°C
18 August	20.5°C	20.6°C	17.9°C	21.3°C
19 August	20.4°C	20.6°C	17.9°C	21.1°C
20 August	20.3°C	20.5°C	18.1°C	21.6°C
21 August	20.1°C	20°C	18.1°C	21.3°C
22 August	19.9°C	19.8°C	17.9°C	21.5°C
23 August	19.6°C	20°C	17.8°C	21.3°C
24 August	19.6°C	19.9°C	17.8°C	21.6°C
25 August	19.7°C	19.6°C	17.8°C	21.4°C
26 August	19.6°C	19.7°C	17.7°C	21.5°C
27 August	19.4°C	19.9°C	17.7°C	21.5°C
28 August	20°C	20.5°C	17.8°C	21.5°C
29 August	19.6°C	20.1°C	17.9°C	21.3°C
30 August	19.6°C	20°C	17.6°C	20.9°C
31 August	19.5°C	19.8°C	17.4°C	21°C

Average water temperature in Haarlem in August over a decade

2016	2017	2018	2019	2020
19.4°C	19.3°C	20.3°C	19.6°C	20.4°C

2021	2022	2023	2024	2025
18.8°C	21°C	19.3°C	20.3°C	19.6°C

Haarlem sea state in August

Chart comparing the height of waves in Haarlem 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.

Haarlem 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
Bergen aan Zee	19.2°C	17.1°C	21.7°C
The Hague	19.3°C	17.3°C	22.2°C
Monnickendam	19.6°C	16.1°C	25.6°C
Kijkduin	19.4°C	17.3°C	22.1°C
Marken	19.6°C	16.1°C	25.5°C
Petten	19.1°C	17°C	21.9°C
Hoek Van Holland	19.4°C	17.4°C	22.2°C
Sand Engine	19.4°C	17.4°C	22.2°C
Delft	19.4°C	17.4°C	22.3°C
Almere Stad	19.5°C	16.2°C	24.7°C

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Our report for Haarlem 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.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature