Is it warm enough to swim in Casares in May? Average water temperature in Casares in May is 17.1°C and therefore is not suitable for comfortable swimming. The warmest sea in Casares in May is 19.9°C, and the coldest is 15.1°C. Average high air temperature in Casares in May is 22°C, and average low temperature is 13°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Casares
To get an accurate forecast for the water temperature in Casares for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Casares, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of May.
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
1 May | 16.9°C | 15.6°C | 15.2°C | 17.6°C |
2 May | 17.1°C | 15.7°C | 15.3°C | 17.8°C |
3 May | 17.6°C | 16.4°C | 15.4°C | 18.1°C |
4 May | 17.7°C | 16.6°C | 15.3°C | 18.1°C |
5 May | 17.5°C | 16.7°C | 15.2°C | 18.1°C |
6 May | 17.5°C | 16°C | 15.1°C | 17.7°C |
7 May | 17.7°C | 16.2°C | 15.4°C | 17.9°C |
8 May | 17.6°C | 16.5°C | 15.7°C | 18.5°C |
9 May | 17.9°C | 16.8°C | 16°C | 18.8°C |
10 May | 17.5°C | 16.7°C | 16.2°C | 18.7°C |
11 May | 16.9°C | 16.9°C | 16.2°C | 19.9°C |
12 May | 16.8°C | 17.3°C | 16.1°C | 19.7°C |
13 May | 16.3°C | 18.1°C | 16.1°C | 19.2°C |
14 May | 16.4°C | 17.6°C | 16°C | 18.7°C |
15 May | 16.3°C | 16.7°C | 16.1°C | 18.3°C |
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
16 May | 15.7°C | 16.6°C | 15.7°C | 18.5°C |
17 May | 17°C | 16.6°C | 15.6°C | 18.5°C |
18 May | 17°C | 16.6°C | 15.5°C | 18.7°C |
19 May | 17.3°C | 15.8°C | 15.7°C | 18.7°C |
20 May | 17.8°C | 15.5°C | 15.5°C | 18.5°C |
21 May | 18.3°C | 15.5°C | 15.5°C | 18.3°C |
22 May | 17.8°C | 15.7°C | 15.7°C | 19.5°C |
23 May | 17.8°C | 15.8°C | 15.8°C | 19.6°C |
24 May | 18.1°C | 15.7°C | 15.7°C | 19.1°C |
25 May | 18.6°C | 16.1°C | 16°C | 18.8°C |
26 May | 19.1°C | 17.2°C | 16°C | 19.1°C |
27 May | 18.9°C | 17.6°C | 15.6°C | 19°C |
28 May | 19.3°C | 16.8°C | 15.5°C | 19.3°C |
29 May | 19.4°C | 18.5°C | 15.4°C | 19.4°C |
30 May | 19.3°C | 19.2°C | 15.6°C | 19.3°C |
31 May | 19.5°C | 18.7°C | 15.7°C | 19.5°C |
2016 | 2017 | 2018 | 2019 | 2020 |
17.4°C | 17.5°C | 16.4°C | 17.1°C | 17.6°C |
2021 | 2022 | 2023 | 2024 | 2025 |
17.2°C | 17.2°C | 17.8°C | 16.7°C | 17.7°C |
Chart comparing the height of waves in Casares in May 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 Casares in May 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