(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.
Save this Post. 1. Re: Weather in Sicily in October. Oct 11, 2007, 11:01 AM. Here are the average temperatures and precipitation amounts for Palermo and Catania in October! Temperatures in Catania will range from 56-76F and Palermo's temperatures will range from 64-73F. October is the average wettest month. Palermoâs Averages: