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.
Photo Credit monkeybusinessimages/iStock/Getty Images. Heartburn, also known as acid reflux, and linked to gastroesophageal reflux disease, is an uncomfortable condition where contents of the stomach are regurgitated back up through the esophagus, creating a burning sensation in the chest.