Due to its vicinity to the sea, the climate of Kovalam is usually pleasant throughout the year. The days are warmer and the nights are cooler offering the town a tropical dry climate. Still the ideal time to plan a visit to the lovely beach destination is from September to March.
Summers last from March to May and are quite hot and the temperature exceeds up to 36 degree C, thus these months are usually avoided by the tourists.
Winter months are from November to February and are considered best to enjoy various beach activities and sightseeing in Kovalam. The days are warmer and pleasant with temperature ranging from 16 to 34 degree C and the time is ideal to bask in the glory of the warm sun.
Kovalam experiences heavy rainfall during the monsoon season accompanied by the thunderstorms. The monsoon months are from June to August and the time is considered best for enjoying Ayurvedic treatments.