Italy: where to swim in October?
Italy, in October: the sea is at 22.2 °C on average along the coast, from 20.5 °C to 23.5 °C depending on the spot. Where the water is warmest (23.5 °C), it is warm. Ideal for long swims and for being in the water all day.
Sea temperature, month by month
| Month | Average temperature | Depending on the spot | Where it is warmest |
|---|---|---|---|
| January | 14.9 °C | 14.1 °C – 15.7 °C | cool |
| February | 14.3 °C | 13.6 °C – 15.1 °C | cool |
| March | 14.1 °C | 13.4 °C – 15.0 °C | cool |
| April | 15.5 °C | 14.7 °C – 16.1 °C | cool |
| May | 17.9 °C | 17.3 °C – 18.5 °C | cool |
| June | 22.5 °C | 21.9 °C – 23.3 °C | warm |
| July | 25.6 °C | 24.5 °C – 26.6 °C | warm |
| August | 26.5 °C | 25.7 °C – 27.4 °C | very warm |
| September | 25.2 °C | 24.0 °C – 26.3 °C | warm |
| October | 22.2 °C | 20.5 °C – 23.5 °C | warm |
| November | 19.4 °C | 17.9 °C – 20.6 °C | pleasant |
| December | 16.5 °C | 15.4 °C – 17.6 °C | cool |
Compared with September, the water cools down by 3.0 °C in October. The warmest month: August (26.5 °C). The coldest: March (14.1 °C).
Nearby, in October
- Croatia 20.9 °C · pleasant
- France 18.0 °C · pleasant
- Germany 13.7 °C · cold
- Netherlands 15.2 °C · cool
- Poland 13.1 °C · cold
- Denmark 13.0 °C · cold
And right now?
At sea, 20.0 °C on average across 2 stations, from 17.4 °C (Punta Salute Canal Grande) to 22.7 °C (Bouée ancrée 6101035). Italy: water temperature
Frequently asked questions
What is the sea temperature in October?
Italy, in October: 22.2 °C on average along the coast, from 20.5 °C in the coolest waters to 23.5 °C in the warmest (average of the years 2011 to 2025).
Can you swim in October?
Where the water is warmest (23.5 °C), it is warm. Ideal for long swims and for being in the water all day.
What is the best month for swimming?
The water is warmest in August (26.5 °C on average) and coldest in March (14.1 °C). Where the water is warmest, it goes above 20 °C in these months: June, July, August, September, October, November.
Where is the water warmest in October?
The warmest in October: Croatia (20.9 °C), France (18.0 °C), Germany (13.7 °C). The coolest: Denmark (13.0 °C).
Where do these temperatures come from?
These are averages of the sea surface temperature from 2011 to 2025, computed from NOAA satellite images (OISST, one value about every 50 km), in a 100 km strip along the coasts of the main country: distant territories (overseas, remote islands) are not counted. It is an estimate, not a measurement taken at the beach: lakes and rivers are not included.