# What will the sea be like in Porto Ottiolu on my dates?

> Enter arrival and departure: the calculator estimates sea and air temperature, chance of rain and daylight hours in Porto Ottiolu, from long-term averages for Budoni. The sea is above 20 °C from June to October and reaches 25 °C in August.

URL: https://casarosannaottiolu.it/en/porto-ottiolu-sea-temperature-my-dates/
Updated 04/11/2026 by Francesca and Antonio, who run Casa Rosanna in Porto Ottiolu.

## Calculate



## How it works

The calculation uses WeatherSpark’s monthly averages for Budoni (air and sea temperature, rainy days), interpolated day by day; daylight hours are calculated for Porto Ottiolu’s latitude (40.74° N). These are averages: any single year can differ. The data can be downloaded as [CSV](https://casarosannaottiolu.it/dati/clima-porto-ottiolu.csv).

## Frequently asked questions

### When is the sea in Porto Ottiolu warm enough to swim?
From June to October it is above 20 °C; the warmest period is July to September (23–25 °C).

### Is the calculator reliable?
It gives long-term averages, not a forecast: it shows what to expect on average on your dates.

### Can I check if the house is free on the same dates?
Yes: with the WhatsApp button, dates already filled in, or on the home page calendar.

## Stay in Porto Ottiolu, walking distance from beach and marina
Casa Rosanna: a detached house for 5 guests, 2 bedrooms, patio and parking. Book direct and save 20% compared with Booking.com.
See prices and availability: https://casarosannaottiolu.it/en/#prezzi · WhatsApp: https://wa.me/393476622493

WeatherSpark – [Budoni](https://weatherspark.com/y/62099/Average-Weather-in-Budoni-Italy-Year-Round).