Kerala threads houseboats through the Alleppey backwaters' coconut-palm canals, the tea plantations of Munnar at 1,600m, and Fort Kochi's Chinese fishing nets above the Arabian Sea harbour.
Dry season with backwater houseboats at peak, Kochi-Muziris Biennale (December-April in even years) the country's biggest art event, and Munnar tea hills photogenic.
Hot pre-monsoon with Munnar's altitude offering relief, Vishu Kerala New Year mid-April, and Kalaripayattu martial arts demonstrations through Fort Kochi.
Southwest monsoon transforms Kerala into one of South Asia's greenest landscapes, ayurvedic clinics at peak season for monsoon treatments, and rates drop sharply.
Onam festival in late August-September brings flower carpets across Kerala houses, snake-boat races on backwater rivers, and the Athachamayam parade in Tripunithura.