The District has a
favourable agro-climatic condition, which is suitable
for growing a number of crops. The proximity of equator,
its topography and other climate factors favour the
growth of various crops.The paddy varieties grown in the
second crop season in Thovalai and Agasteeswaram taluks
are grown during the first crop season in Kalkulam and
Vilavancode taluks. This shows that there is distinct
variation in the climatic conditions prevailing within
the district. Unlike other district in Tamil Nadu, it
has a rainfall both during the South West and the North
East monsoons. The South West monsoon period starts from
the month of June and ends in September, While the North
East monsoon period starts from October and ends in the
middle of December. The average rainfall is as shown .
