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).
Days of Hot Weather in Florence. Florence averages 61 days a year with temperatures of 30 degrees Celsius or more (86 Â°F). The weather gets that hot on most summer days plus a few more in May and September. The hottest days in June and July reach into the 40s Â°C (over 103 Â°F). Number of days in Florence of at least 25 or 30 Â°C (77 or 86 Â°F) 25 Â°C.