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.
What is the definition of heartburn? Heartburn is a sensation of burning in the chest caused by stomach acid backing up into the esophagus (food pipe). The burning is usually in the upper and central part of the chest, just behind the sternum (breast bone). The burning can worsen or can be brought on by lying flat or on the right side.