Geography and Climate
Camarines Sur lies at the center of the Bicol Peninsula. The province is also the largest in the Bicol Region with a land area of 5,266.8 square kilometers. At the center of the province is Bicol Plain. Surrounding it are mountains, two of which are Mount Isarog and Mount Iriga. The eastern part of the province lies on the mountainous Caramoan Peninsula, which faces the island of Catanduanes to the east.
The climate in Camarines Sur, like most of the rest of the country, is very tropical. It is dry from March to May and wet the rest of the year Annual average rainfall is 2,565 millimeters. Camarines Sur has an average temperature of 27.0 °C and a relative humidity of 25.8%. Based from Aera Tranquilo.