Alappuzha's average rainfall of 2,763 mm and its eight reporting rain gauge stations

Background

The Alappuzha district profile records an average rainfall of 2763 mm for the district. It lists eight reporting rain gauge stations, at Arookutty, Cherthala, Alappuzha, Ambalapuzha, Harippad, Kayamkulam, Mavelikkara and Chengannur. The average monthly temperature is given as 25 degrees Celsius, with a moist and hot coast and a slightly cool and dry interior. The profile sets out the seasons as a hot season from March to May, the south-west monsoon or Edavappathi from June to September, the north-east monsoon or Thulavarsham from October to November, and dry weather from December to February. Alluvial soils are recorded in the rest of Kuttanad and in the delta region formed by the Pamba, Manimala and Achenkovil rivers near their confluence.