Frequency distribution refers to a set of frequencies with a  particular set of values into which a statistical population is  grouped. Relative frequency refers to data preâ¦sented in a table  that demonstrates the relative frequency of multiple  non-overlapping classes.
1 The annual average temperature in Florence, Tuscany, Italy is mild at 14.6 degrees Celsius (58.3 degrees Fahrenheit). 2  Average monthly temperatures vary by 18.4 C (33.1 F) which is a slightly low range. 3  The average diurnal temperature variation/ range is 11 C (19.8 F).
24Â°C (75Â°F) in September. The average maximum daytime temperature in Corfu in September is a warm 28Â°C (82Â°F), while the average minimum night-time temperature is a comfortable 17Â°C (63Â°F).On average 74 mm (2.9 inches) of rain normally falls in Corfu during September with rain falling on 6 days of the month.elect a month from the list below to see the Corfu weather for a particular month. The monthly weather averages are the best indication of conditions in each month and are based on long-term (30 year) climate statistics.