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).
WEATHER in SIENA. To talk of the 'weather in Tuscany' is to generalise somewhat. Tuscany encompasses many diverse terrains and landscapes and the rules change from one zone to the next. You can be sure that July and August in Tuscany will be hot, sometimes stiflingly so, thanks to the humidity levels that can make Florence and the major cities of Tuscany veritable hothouses.