Definition. Simple or arithmetic average of a range of values or quantities, computed by dividing the total of all values by the number of values. For example, the mean of 1, 2, 3, 4, and 5 is (15 Ã· 5) = 3.
25Â°C (77Â°F) in July. The average maximum daytime temperature in Sicily in July is a hot 30Â°C (86Â°F), while the average minimum night-time temperature is a warm 22Â°C (72Â°F).n average 4 mm (0.2 inches) of rain normally falls in Sicily during July with rain falling on 1 days of the month. You can expect on average 11 hours of sunshine a day in Sicily during July.
Averages for Sicily in December. December is one of the chilliest times of the year to visit Sicily. During your stay you can expect to see temperatures of no higher than 14Â°C during the day, dropping to a crisp 10Â°C on an evening. There is also a high chance youâll experience a fair bit of rain while on holiday.