Its function is to aid in the regulation of the sympathetic branch of the autonomic nervous system. At times when a person is highly stimulated, as by fear, anger, or some challenging situation, extra amounts of epinephrine are released into the bloodstream, preparing the body for energetic action.
Siem Reap Weather - Cambodia. Siem Reap in Cambodia is characterized by a savanna climate including dry winters during the year. The temperature usually ranges between 21Â°C and 35Â°C over the course of a year. During the warm season which is during April and May the temperature can potentially reach above 37Â°C. April is the hottest month of the year while 19th of April is typically regarded as the hottest day of any year in Siem Reap.
Ko Samui: Annual Weather Averages. May is the hottest month in Ko Samui with an average temperature of 30Â°C (85Â°F) and the coldest is January at 26Â°C (79Â°F) with the most daily sunshine hours at 8 in April. The wettest month is November with an average of 430mm of rain.