Water temperature in Radolfzell in April
Is it warm enough to swim in Radolfzell in April? Average water temperature in Radolfzell in April is 9.6°C and therefore is not suitable for comfortable swimming. The warmest water in Radolfzell in April is 15.1°C, and the coldest is 4.7°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Radolfzell
Changes water temperature in Radolfzell in April 2025, 2024
To get an accurate forecast for the water temperature in Radolfzell for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Radolfzell, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.
You can choose any other years:
Day |
2025 |
2024 |
Min |
Max |
1 April | 8.9°C | 8.6°C | 4.7°C | 10.2°C |
2 April | 8.7°C | 9.7°C | 4.8°C | 9.9°C |
3 April | 8.8°C | 9.5°C | 4.8°C | 9.7°C |
4 April | 9.7°C | 9.3°C | 4.9°C | 9.7°C |
5 April | 9.6°C | 10°C | 5°C | 10°C |
6 April | 10°C | 9.9°C | 5.2°C | 10°C |
7 April | 9.3°C | 10°C | 5.6°C | 10°C |
8 April | 9.5°C | 11.1°C | 5.8°C | 11.1°C |
9 April | 9.6°C | 10.9°C | 6.1°C | 10.9°C |
10 April | 10.8°C | 10.8°C | 6.4°C | 10.8°C |
11 April | 11.5°C | 10.9°C | 6.7°C | 11.5°C |
12 April | 12.1°C | 11.5°C | 7.2°C | 12.1°C |
13 April | 11.7°C | 12.4°C | 7.5°C | 12.4°C |
14 April | 11.5°C | 12°C | 7.8°C | 12°C |
15 April | 12.7°C | 11.7°C | 8°C | 12.7°C |
Day |
2025 |
2024 |
Min |
Max |
16 April | 12.3°C | 11.2°C | 8.4°C | 12.3°C |
17 April | 12°C | 11.1°C | 8.6°C | 12°C |
18 April | 11.6°C | 11°C | 8.7°C | 11.6°C |
19 April | 12.9°C | 10.9°C | 8.8°C | 12.9°C |
20 April | 12.7°C | 11°C | 9.1°C | 12.7°C |
21 April | 12.7°C | 11.1°C | 9.4°C | 12.7°C |
22 April | 12.8°C | 11.3°C | 9.7°C | 12.8°C |
23 April | 12.8°C | 11.5°C | 10°C | 12.8°C |
24 April | 12.8°C | 11.6°C | 10.2°C | 12.8°C |
25 April | 12.9°C | 11.8°C | 10.6°C | 12.9°C |
26 April | 12.8°C | 12°C | 10.8°C | 12.8°C |
27 April | 12.5°C | 12°C | 10.9°C | 12.8°C |
28 April | 13°C | 12°C | 11°C | 13°C |
29 April | 13.5°C | 12.1°C | 11.1°C | 13.5°C |
30 April | 15.1°C | 12.1°C | 11.3°C | 15.1°C |
Average water temperature in Radolfzell in April over a decade
2016 | 2017 | 2018 | 2019 | 2020 |
9.6°C | 10.2°C | 8.5°C | 8.9°C | 9.4°C |
2021 | 2022 | 2023 | 2024 | 2025 |
10.3°C | 9.3°C | 8.7°C | 11°C | 11.6°C |
Radolfzell water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below