(Äp'É-nÄf'rÄ­n) A hormone that is secreted by the adrenal gland in response to physical or mental stress, as from fear, and is regulated by the autonomic nervous system. The release of epinephrine causes an increase in heart rate, blood pressure, and respiratory rate.
The average maximum daytime temperature in Sicily in December is a comfortable 16Â°C (61Â°F), while the average minimum night-time temperature is a cool 11Â°C (52Â°F). On average 90 mm (3.5 inches) of rain normally falls in Sicily during December with rain falling on 12 days of the month.
In Southern Italy and Sicily, including Palermo, late Spring is pleasant and warm, a wishful introduction to the Summer to come. Temperatures remain between 16 and 21 degrees Celsius (61 and 70 degrees Fahrenheit). In May, wet days are not very common in the South. Check out our real time weather forecasts.n Southern Italy and Sicily, including Palermo, late Spring is pleasant and warm, a wishful introduction to the Summer to come. Temperatures remain between 16 and 21 degrees Celsius (61 and 70 degrees Fahrenheit). In May, wet days are not very common in the South. Check out our real time weather forecasts.