Average Temperatures in Florence, Tuscany, Italy. 1  The annual average temperature in Florence, Tuscany, Italy is mild at 14.6 degrees Celsius (58.3 degrees Fahrenheit).  Average monthly temperatures vary by 18.4 C (33.1F) which is a slightly low range.
For the novel, see Heartburn (novel) . Heartburn, also known as pyrosis, cardialgia, or acid indigestion, is a burning sensation in the chest, just behind the breastbone or in the epigastrium, the upper central abdomen. The pain often rises in the chest and may radiate to the neck, throat, or angle of the jaw.
Last updated: Tue 19 April 2016 Last updated: Tue 19 Apr 2016. email. Heartburn is a very common symptom created by acid reflux, a condition where some of the stomach contents (including stomach acid) are forced back up into the esophagus, creating a burning pain in the lower chest.