Water temperature in Portbou in May

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Is it warm enough to swim in Portbou in May? Average water temperature in Portbou in May is 16.3°C and therefore is not suitable for comfortable swimming. The warmest sea in Portbou in May is 20.3°C, and the coldest is 13.8°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Portbou

Changes water temperature in Portbou in May 2025, 2024

To get an accurate forecast for the water temperature in Portbou for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Portbou, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of May.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 May	15.7°C	14.5°C	13.8°C	17.1°C
2 May	15.9°C	14°C	14°C	17.1°C
3 May	16°C	14.3°C	14.1°C	17°C
4 May	15.9°C	14.7°C	14.2°C	17.3°C
5 May	15.8°C	14.9°C	14.2°C	17.9°C
6 May	16°C	14.7°C	14.1°C	18°C
7 May	15.9°C	14.7°C	14.1°C	17.8°C
8 May	16.1°C	15.1°C	14.4°C	17.4°C
9 May	16.2°C	15.2°C	14.6°C	17°C
10 May	16.3°C	15.6°C	14.6°C	17.2°C
11 May	16.3°C	15.6°C	14.6°C	17.5°C
12 May	16.2°C	15.6°C	14.8°C	17.9°C
13 May	16.7°C	15.7°C	15°C	18°C
14 May	16.8°C	15.5°C	15°C	18.1°C
15 May	17.3°C	15.5°C	14.7°C	17.8°C

Day	2025	2024	Min	Max
16 May	17.4°C	15.5°C	14.5°C	17.8°C
17 May	17.3°C	16°C	14.6°C	18.4°C
18 May	17.3°C	16°C	14.7°C	18.7°C
19 May	17.4°C	16°C	14.6°C	19.2°C
20 May	17.4°C	16.7°C	14.8°C	19.4°C
21 May	17.4°C	17.1°C	14.9°C	19.3°C
22 May	17.4°C	17°C	15°C	19.7°C
23 May	17.5°C	17.1°C	15°C	20.3°C
24 May	17.5°C	17.3°C	14.8°C	19.5°C
25 May	17.8°C	17.4°C	14.7°C	19.3°C
26 May	17.5°C	17.7°C	15.1°C	19.9°C
27 May	17.8°C	17.6°C	15.2°C	19.5°C
28 May	18.4°C	18°C	15.3°C	19.6°C
29 May	18.8°C	18.2°C	15.1°C	19.7°C
30 May	19.1°C	18°C	15.1°C	19.5°C
31 May	19.2°C	17.9°C	15.1°C	20.3°C

Average water temperature in Portbou in May over a decade

2016	2017	2018	2019	2020
15.5°C	16.5°C	16.5°C	15.3°C	18.2°C

2021	2022	2023	2024	2025
15.6°C	17.6°C	16.4°C	16.1°C	17°C

Portbou sea state in May

Chart comparing the height of waves in Portbou 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.

Portbou 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 May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Colera	16.3°C	13.8°C	20°C
Llanca	16.3°C	13.8°C	20°C
Cervera De La Marenda	16.3°C	13.7°C	21°C
Garbet Beach	16.3°C	13.8°C	20°C
Paulilles Beach	16.3°C	13.7°C	21°C
Portvendres	16.3°C	13.6°C	21.9°C
Le Racou	16.3°C	13.5°C	21.7°C
Cadaques	16.4°C	14°C	20.2°C
Port Lligat	16.4°C	14°C	20.2°C
Cap de Creus	16.3°C	14.1°C	20°C

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Our report for Portbou 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.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature