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).
Averages for Florence in June. Weather lowdown. June marks the beginning of the summer season in Florence, Italy, when the weather gets even warmer, drier and the cloud coverage decreases. At this time of year, the average temperature begins at 20.5Â°C, created by highs of 26Â°C during the daytime and lows of 15Â°C after dark.