If you want to visit when it's less crowded, go in January. You could score some great deals on Stignano Mare hotels with a kitchenette around that time. The warmest weather is in August, with temperatures ranging from 72ºF (22ºC) to 84ºF (29ºC). It's usually coolest in February, averaging between 46ºF (8ºC) and 54ºF (12ºC).