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.
Sicily: Weather Forecast. The warmest day over the next 7 days in Sicily is forecast to be 30th August at 27Â°C (81Â°F) and the warmest night on 2nd September at 19Â°C (66Â°F). The average temperature over the next 7 days is forecast to be 25Â°C (77Â°F) . The average for August is 22Â°C (72Â°F) in Sicily. 1  Wed 30 Aug 27Â°C (81Â°F) SW 9mph. 2  Thu 31 Aug 26Â°C (79Â°F) WSW 9mph. 3  Fri 1 Sep 26Â°C (79Â°F) WNW 9mph. 4  Sat 2 Sep 27Â°C (81Â°F) SW 9mph. 5  Sun 3 Sep 23Â°C (73Â°F) SW 11mph. 6  Mon 4 Sep 23Â°C (73Â°F) WSW 9mph. 7  Tue 5 Sep 24Â°C (75Â°F) WSW 9mph.