Water temperature in San Marco in July

Is it warm enough to swim in San Marco in July? Average water temperature in San Marco in July is 26.2°C and therefore suitable for comfortable swimming. The warmest sea in San Marco in July is 30.3°C, and the coldest is 22.5°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in San Marco

Changes water temperature in San Marco in July 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 July	27.1°C	25°C	22.5°C	27.1°C
2 July	26.8°C	25.5°C	23.2°C	27.2°C
3 July	27.7°C	25.2°C	24°C	27.7°C
4 July	28.4°C	24.8°C	23.8°C	28.4°C
5 July	28.4°C	24.8°C	23.9°C	28.4°C
6 July	28.2°C	24.9°C	24.2°C	28.2°C
7 July	28.1°C	25.3°C	24.3°C	28.1°C
8 July	28.1°C	25.4°C	24.4°C	28.1°C
9 July	27.1°C	25.8°C	24.5°C	27.4°C
10 July	26.2°C	26.8°C	24.4°C	27.7°C
11 July	25.6°C	27°C	24.2°C	28.3°C
12 July	25.8°C	27.2°C	24.1°C	28°C
13 July	26°C	27.5°C	24°C	28.7°C
14 July	26.2°C	27.6°C	24°C	28.7°C
15 July	26.4°C	27.8°C	24.2°C	28.3°C

Day	2025	2024	Min	Max
16 July	26.9°C	27.8°C	24.6°C	28.4°C
17 July	26.7°C	28.6°C	24.6°C	28.9°C
18 July	26.9°C	28.6°C	24.5°C	28.7°C
19 July	27.1°C	28.6°C	24.3°C	29.5°C
20 July	27.1°C	28.6°C	23.9°C	28.8°C
21 July	27.6°C	28.8°C	24.7°C	29.7°C
22 July	27.7°C	28°C	25.2°C	29.8°C
23 July	27.7°C	28°C	25.2°C	30°C
24 July	27.5°C	27.8°C	24.9°C	30.3°C
25 July	27.4°C	28.2°C	24.8°C	29.8°C
26 July	27.1°C	28.3°C	24.5°C	29.1°C
27 July	26.8°C	28.4°C	24.9°C	28.7°C
28 July	26.8°C	28.3°C	25°C	28.7°C
29 July	26°C	29°C	24.5°C	29°C
30 July	24.5°C	28.5°C	24.5°C	28.5°C
31 July	24.5°C	28.5°C	24.5°C	28.5°C

Average water temperature in San Marco in July over a decade

2016	2017	2018	2019	2020
26°C	25.6°C	25.6°C	26.3°C	26°C

2021	2022	2023	2024	2025
26.2°C	27°C	28°C	27.2°C	26.9°C

San Marco sea state in July

Chart comparing the height of waves in San Marco in July 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.

San Marco 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 July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Ogliastro Marina	26.2°C	22.5°C	30.5°C
Case del Conte	26.2°C	22.5°C	30.5°C
Agnone Cilento	26.3°C	22.6°C	30.5°C
Mezzatorre di San Mauro Cilento	26.3°C	22.6°C	30.4°C
Salerno	26°C	22.5°C	30.4°C
Pisciotta	26.4°C	22.6°C	30.1°C
Palinuro	26.4°C	22.7°C	30.1°C
Amalfi	26°C	22.5°C	30.4°C
Cetara	25.9°C	22.5°C	30.1°C
Vietri Sul Mare	26°C	22.4°C	29.8°C

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Our report for San Marco 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