Water temperature in Ustica in May

Is it warm enough to swim in Ustica in May? Average water temperature in Ustica in May is 19°C and therefore is not suitable for comfortable swimming. The warmest sea in Ustica in May is 22.8°C, and the coldest is 16.3°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ustica

Changes water temperature in Ustica in May 2025, 2024

To get an accurate forecast for the water temperature in Ustica for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Ustica, 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	18.7°C	17.3°C	16.3°C	19°C
2 May	19.2°C	17.2°C	16.3°C	19.2°C
3 May	19.5°C	17.1°C	16.5°C	19.5°C
4 May	19°C	17°C	16.4°C	19°C
5 May	19°C	17.7°C	16.5°C	19°C
6 May	19.2°C	17.7°C	16.4°C	19.4°C
7 May	18.9°C	17.8°C	16.3°C	19.2°C
8 May	18.8°C	17.6°C	16.7°C	19.5°C
9 May	18.9°C	17.5°C	16.6°C	19.5°C
10 May	19.5°C	17.8°C	16.7°C	19.5°C
11 May	19.1°C	18.4°C	17°C	19.7°C
12 May	19.6°C	18.8°C	16.9°C	20°C
13 May	19.4°C	18.9°C	16.6°C	20.3°C
14 May	19.3°C	19.4°C	16.9°C	20.7°C
15 May	19.6°C	19.8°C	16.8°C	20.4°C

Day	2025	2024	Min	Max
16 May	19.4°C	19.2°C	16.7°C	20.2°C
17 May	19.3°C	19.5°C	17.2°C	20.3°C
18 May	19.5°C	20.4°C	17°C	21°C
19 May	19.5°C	19.7°C	16.9°C	20.6°C
20 May	19.6°C	19.5°C	17°C	20.8°C
21 May	19.9°C	19.8°C	17.2°C	21.1°C
22 May	20.3°C	20.3°C	17.5°C	21.2°C
23 May	19.8°C	20.2°C	17.7°C	21.6°C
24 May	20°C	20.1°C	18°C	22°C
25 May	20.2°C	20.3°C	18.2°C	22.5°C
26 May	20.4°C	20.7°C	18.1°C	22.8°C
27 May	20.4°C	20.8°C	17.8°C	22.2°C
28 May	20.4°C	21.2°C	17.5°C	21.9°C
29 May	21.1°C	21.4°C	17.5°C	22°C
30 May	21.1°C	22.5°C	17.7°C	22.5°C
31 May	21.7°C	21.9°C	18.2°C	22.2°C

Average water temperature in Ustica in May over a decade

2016	2017	2018	2019	2020
18.4°C	19.4°C	19.2°C	17.2°C	19.4°C

2021	2022	2023	2024	2025
18.8°C	19.6°C	18.7°C	19.3°C	19.7°C

Ustica sea state in May

Chart comparing the height of waves in Ustica 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.

Ustica 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
Capaci	18.7°C	16.2°C	22.1°C
Terrasini	18.7°C	16.2°C	22°C
Isola Delle Femmine	18.8°C	16°C	22.2°C
Mondello	18.9°C	15.8°C	22.3°C
Trappeto	18.6°C	16.1°C	21.6°C
Palermo	18.8°C	16°C	22.2°C
San Vito lo Capo	18.5°C	16°C	21.8°C
Balestrate	18.5°C	16°C	21.6°C
Scopello	18.5°C	16°C	21.5°C
Riserva dello Zingaro	18.5°C	16°C	21.5°C

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Our report for Ustica 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.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature