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.
Sea Temperature. 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). On 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.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.
Wed 30th Aug : Sicily Hourly Forecast. 1  0:00 20Â°C. (68Â°F) 2  3:00 19Â°C. (66Â°F) 3  6:00 17Â°C. (63Â°F) 4  9:00 21Â°C. (70Â°F) 5  12:00 25Â°C. (77Â°F) 6  15:00 26Â°C. (79Â°F) 7  18:00 24Â°C. (75Â°F) 8  21:00 21Â°C. (70Â°F)