It is 60 km (37 mi) from Damascus and 1,446 m (4,744 ft) above sea level. It is at the foot of the Anti-Lebanon Mountain.
Serghaya has a moderate climate with a temperature that varies from 25 to 32 degrees Celsius all summer season and cold climate with temperature varies from -5 up to 10 all winter when snow covers the land and mountain.
It is connected to Damascus via Al-Zabadani and also has old rail reaches to Beirut via Riyaq (or Rayak), Bekaa.
In Serghaya, there is a cool summer Mediterranean climate. Rainfall is higher in winter than in summer. The Köppen-Geiger climate classification is Csc. The average annual temperature in Serghaya is 11.5 °C (52.7 °F). About 583 mm (22.95 in) of precipitation falls annually.