Puttalam is the largest town in Puttalam District, North Western Province, Sri Lanka. Puttalam is the administrative capital of the Puttalam District and governed by a municipal council. Under the Köppen climate classification, Pattalam has a tropical savanna climate with a short dry season from June to September and a second dry season from Janu…Puttalam is the largest town in Puttalam District, North Western Province, Sri Lanka. Puttalam is the administrative capital of the Puttalam District and governed by a municipal council. Under the Köppen climate classification, Pattalam has a tropical savanna climate with a short dry season from June to September and a second dry season from January to March. The wet season is mainly from October to December. Temperatures remain steady throughout the year with little variations in between.