Water temperature in Sealine Beach in May
Is it warm enough to swim in Sealine Beach in May? Average water temperature in Sealine Beach in May is 28.6°C and therefore suitable for comfortable swimming. The warmest sea in Sealine Beach in May is 31.9°C, and the coldest is 24°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Sealine Beach
Changes water temperature in Sealine Beach in May 2025, 2024
To get an accurate forecast for the water temperature in Sealine Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Sealine Beach, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of May.
You can choose any other years:
Day |
2025 |
2024 |
Min |
Max |
1 May | 28.2°C | 27°C | 24°C | 28.2°C |
2 May | 28.4°C | 26.6°C | 24.7°C | 28.4°C |
3 May | 28.6°C | 26.8°C | 24.3°C | 28.6°C |
4 May | 28.6°C | 27.6°C | 24.3°C | 28.6°C |
5 May | 28.5°C | 27.7°C | 24.9°C | 28.5°C |
6 May | 28.4°C | 28.6°C | 25.5°C | 28.7°C |
7 May | 27.3°C | 28.2°C | 25.9°C | 28.8°C |
8 May | 27.3°C | 28.3°C | 26.3°C | 29°C |
9 May | 27.4°C | 27.8°C | 26.9°C | 29.3°C |
10 May | 28.1°C | 27.5°C | 26.7°C | 29°C |
11 May | 28.3°C | 27.8°C | 26.3°C | 29.3°C |
12 May | 28.7°C | 28.3°C | 26.6°C | 29.5°C |
13 May | 29°C | 28.1°C | 26.9°C | 29.6°C |
14 May | 29°C | 28.4°C | 26°C | 29.6°C |
15 May | 29.4°C | 28.9°C | 26°C | 29.7°C |
Day |
2025 |
2024 |
Min |
Max |
16 May | 29°C | 29.1°C | 26.8°C | 30.2°C |
17 May | 28.6°C | 29.2°C | 26.9°C | 30.3°C |
18 May | 28.8°C | 29.3°C | 26.6°C | 30.7°C |
19 May | 29°C | 29.1°C | 27°C | 31°C |
20 May | 29.2°C | 29.3°C | 27.3°C | 31.1°C |
21 May | 30.2°C | 29.3°C | 27.2°C | 30.6°C |
22 May | 30°C | 29.6°C | 27.1°C | 31.4°C |
23 May | 30.5°C | 29.7°C | 27.7°C | 30.9°C |
24 May | 30.7°C | 29.8°C | 26.8°C | 31.8°C |
25 May | 30.7°C | 30°C | 26.4°C | 31.6°C |
26 May | 30°C | 30.3°C | 26.7°C | 31.3°C |
27 May | 30.5°C | 30.5°C | 25.9°C | 31.5°C |
28 May | 30.6°C | 30.1°C | 26.1°C | 31.2°C |
29 May | 31°C | 30.1°C | 26.5°C | 31.3°C |
30 May | 31.6°C | 30.7°C | 26.7°C | 31.7°C |
31 May | 30.6°C | 30.9°C | 27.5°C | 31.9°C |
Average water temperature in Sealine Beach in May over a decade
2016 | 2017 | 2018 | 2019 | 2020 |
29.4°C | 29.3°C | 28.2°C | 27.4°C | 28.5°C |
2021 | 2022 | 2023 | 2024 | 2025 |
29.8°C | 26.7°C | 28.3°C | 28.8°C | 29.2°C |
Sealine Beach water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below