Castro (Italy) in general has a mild climate. The day temperatures range from 12 °C (53 °F) in January to 30 °C (85 °F) in July. Temperatures during the night go from 7 °C (44 °F) in January to 22 °C (72 °F) in August. The least rainy month in Castro is July with its 2 days of rain, the rainiest month is November, when it rains 9 days. The highest sea temperatures in Castro are in August with 25 °C (78 °F) and the lowest in February with 14 °C (56 °F).
The best months to visit Castro are June - September. During this period, temperatures are between 26 °C (78 °F) - 30 °C (85 °F), night temperatures are between 19 °C (66 °F) - 22 °C (72 °F), rainfall averages 3 days per month, and 10 hours of sunlight on average. The sea temperature at this time of the year is around 22 °C (71 °F) - 25 °C (78 °F).
The hottest month in Castro is July with a temperature of 30 °C (85 °F). The period with the highest daytime temperatures is in Castro during July - August. The temperatures range at this time between 30 °C (85 °F) - 30 °C (85 °F).
The period, with low amounts of rain in Castro - dry season - lasts from May to August. In this period it is raining on average 3 days and approximately 19 mm (0.74 in) precipitation falls per month, which are values below average.
The highest sea temperatures in Castro could be expected between July - September. During these months the sea temperature reaches 24 °C (74 °F) - 25 °C (78 °F).
The period, which is the sunniest in Castro, is in the months of June - August, when there is an average of 10 sun hours per day.
The highest night temperatures in Castro occur in the months of July - August. During this time the night temperatures are between 22 °C (72 °F) - 22 °C (72 °F).
Castro belongs to destinations with lower humidity. It ranges from 66 % to 80 %. The most humid months are October - January and the least humid are June - August.
Castro is a destination with rather light or moderate winds.
No, you are unlikely to experience frosts in Castro.
The least cloudy months in Castro are June - August, when the cloud cover is on average only 29 %.