The climate is Mediterranean, therefore quite mild throughout the year, with a significant increase in humidity during the summer. Precipitation is rather low (on average slightly more than 400 mm per year) and rarely long lasting; they are concentrated above all in the autumn months. Heliophany, that is to say the sun, reaches one of the absolute maximum annual values of the entire Italian national territory.
On the basis of the weather averages of the three-year period 1971-2000, the most recent in use, the average temperature of the coldest month, January, is 5.9 ° C, while that of the hottest month, August, is 22.7 ° C; on average there are 14 days of frost per year and 11 days per year with a maximum temperature equal to or higher than 30 ° C. In the thirty years examined, the extreme temperature values are +37.8 ° C in August 1998 and -9.0 ° C in January 1979.
The average annual precipitation is 455 mm, on average distributed over 51 days, with a prolonged minimum between late winter, spring and summer and moderate peak in autumn.
The average annual relative humidity recorded a value of 72.8% with a minimum of 64% in July and a maximum of 79% in November; on average there are 150 days a year with foggy episodes.
Below is the table with the climatic averages and the absolute maximum and minimum values recorded in the three-year period 1971-2000 and published in the Italian Climate Climate of the Meteorological Service of the Italian Air Force for the same thirty years.