Is it warm enough to swim in Kiel in April? Average water temperature in Kiel in April is 6.8°C and therefore is not suitable for comfortable swimming. The warmest sea in Kiel in April is 11.4°C, and the coldest is 0.9°C. Average high air temperature in Kiel in April is 11°C, and average low temperature is 3°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Kiel
To get an accurate forecast for the water temperature in Kiel for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Kiel, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
1 April | 6.2°C | 6.3°C | 0.9°C | 6.3°C |
2 April | 6.4°C | 5.7°C | 1.1°C | 6.5°C |
3 April | 6.3°C | 6.4°C | 1.3°C | 6.9°C |
4 April | 7°C | 6.5°C | 1.4°C | 7°C |
5 April | 6.9°C | 6.6°C | 1.4°C | 6.9°C |
6 April | 6.5°C | 6°C | 1.6°C | 7.2°C |
7 April | 7°C | 6.7°C | 1.8°C | 7.4°C |
8 April | 7.3°C | 7.6°C | 1.8°C | 7.8°C |
9 April | 7.1°C | 7.2°C | 2.4°C | 7.8°C |
10 April | 7.9°C | 7.9°C | 2.4°C | 7.9°C |
11 April | 8.1°C | 7.7°C | 2°C | 8.4°C |
12 April | 8.6°C | 7.4°C | 2.1°C | 8.6°C |
13 April | 8.9°C | 8°C | 2.3°C | 8.9°C |
14 April | 9°C | 8.1°C | 2.4°C | 9°C |
15 April | 9°C | 8.5°C | 2.9°C | 9°C |
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
16 April | 8.7°C | 7.8°C | 3.5°C | 9.1°C |
17 April | 9°C | 7.8°C | 3.8°C | 9°C |
18 April | 8.9°C | 8.5°C | 4.6°C | 8.9°C |
19 April | 8.8°C | 7.8°C | 4.2°C | 8.8°C |
20 April | 9°C | 7.3°C | 4.4°C | 9°C |
21 April | 8.9°C | 7.6°C | 4.7°C | 8.9°C |
22 April | 8.7°C | 7.9°C | 5.2°C | 8.8°C |
23 April | 9.5°C | 8.3°C | 5.9°C | 9.5°C |
24 April | 8.9°C | 7.8°C | 5.7°C | 9.6°C |
25 April | 9.7°C | 7.1°C | 5.4°C | 10°C |
26 April | 9.6°C | 7.4°C | 5.6°C | 10.8°C |
27 April | 9.5°C | 8.1°C | 5.9°C | 11.1°C |
28 April | 9.9°C | 7.9°C | 5.9°C | 11.1°C |
29 April | 10.9°C | 8°C | 6.1°C | 10.9°C |
30 April | 11.4°C | 8.6°C | 7°C | 11.4°C |
2016 | 2017 | 2018 | 2019 | 2020 |
6.6°C | 6.9°C | 5.1°C | 7.4°C | 8°C |
2021 | 2022 | 2023 | 2024 | 2025 |
6.1°C | 6.6°C | 6.8°C | 7.5°C | 8.5°C |
Chart comparing the height of waves in Kiel in April 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.
This data display average monthly climate indicators in Kiel in April based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip
You can also view information about water temperature for other months by clicking on the month button below