Beach
Spiaggia Urbani
Sirolo, Italy · sea 25.6 °C at its warmest, in August

Sea temperature month by month
12.8Jan
11.6Feb
11.5Mar
13.6Apr
17.8May
22.1Jun
24.9Jul
25.6Aug
22.9Sep
19.5Oct
16.5Nov
14.5Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
Wikipedia has no article about this beach yet. It is on the atlas from its Wikidata record and its photograph.
Questions
How warm is the sea at Spiaggia Urbani?
The sea off Spiaggia Urbani averages 25.6 °C at its warmest, in August, and 11.5 °C at its coolest. These are monthly means from NOAA's OISST v2.1 satellite and buoy record for 1991 to 2020, sampled at the beach's own coordinates.
When can you swim at Spiaggia Urbani?
The sea reaches 20 °C or more from June to September. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Spiaggia Urbani?
Spiaggia Urbani is on the coast of Sirolo, Italy, at 43.5233, 13.6237. The map on this site flies straight to it.