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.
Ponente (Sicily) sea water temperatures peak in the range 24 to 28Â°C (75 to 82Â°F) on around the 14th of August and are at their lowest on about the 1st of March, in the range 14 to 15Â°C (57 to 59Â°F).Year round warm sea water temperatures at Ponente (Sicily) climb to their warmest in mid August.elow is a graph of Historical Sea Surface Temperature for Ponente (Sicily). This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water.