(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.
Temperature. Sicily's temperature is moderated by the warm Mediterranean sea and its location in proximity to the equators. Sea temperatures around Sicily range from around 60 degrees Fahrenheit in the winter to approximately 80 degrees in the summer. The coastal regions of Sicily have pleasant spring daytime highs from March through May that begin around 60 degrees and warm to the mid-80s in May.