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.
In the coastal regions, the average temperature in January hovers around 26Â°C, while the mountains are a little cooler with averages of 20Â°C. In Phnom Penh, Cambodiaâs capital, temperatures reach a high of 32Â°C at this time of year with lows of 20Â°C. The weatherâs very similar in the northern city of Siem Reap, with highs of 31Â°C and lows of 19Â°C. If youâre visiting the beautiful beaches, the Indian Ocean is a beautifully warm 28Â°C in January, perfect for swimming, snorkelling or scuba-diving.