Thiruvananthapuram is located in the southern part of India, in the state of Kerala. The city has a tropical climate, which is characterized by high temperatures and humidity throughout the year, with significant rainfall during the monsoon season.

The hottest months are April and May. The coolest month is December. 

Thiruvananthapuram receives most of its rainfall during the monsoon season, which lasts from June to September. During this time, the city experiences heavy rainfall. The months of October to December also receive some rainfall due to the Northeast Monsoon. 

Thiruvananthapuram has a hot and humid climate with a significant amount of rainfall throughout the year. It is important to note that the city is also susceptible to tropical cyclones during the monsoon season, which can cause heavy rainfall and strong winds.