The best time to visit Thiruvananthapuram is during the winter months, from October to February, when the weather is most pleasant. The city experiences mild temperatures during this period, making it ideal for sightseeing and outdoor activities. The cool breeze and comfortable weather allow you to explore various attractions, such as temples, beaches, and cultural spots, without the discomfort of extreme heat. This season also coincides with several festivals, including the grand celebration of Onam, offering visitors a chance to experience the rich cultural heritage of Kerala. The monsoon season, from June to September, is another time when Thiruvananthapuram takes on a unique charm. The city receives heavy rainfall, transforming the surrounding landscapes into a lush, green paradise. 

If you enjoy the beauty of rain and its freshness, visiting during the monsoon can be a memorable experience. However, heavy showers may occasionally disrupt outdoor plans, so preparing for the unpredictable weather is essential. This season is ideal for those who appreciate the tranquillity of nature and want to experience Kerala's famous monsoon. The summer months, from March to May, are typically hot and humid, with temperatures often soaring above 35 degrees Celsius. This period is less popular among tourists due to the intense heat, which can make outdoor exploration uncomfortable. However, summer might still be a good option if you prefer a quieter visit with fewer crowds. The coastal breezes offer some relief from the heat, and it's a good time to enjoy the beaches in a more relaxed setting.

The best time to visit Thiruvananthapuram largely depends on your preferences. Winter is ideal for enjoying mild weather and vibrant cultural experiences. The monsoon offers a serene and refreshing atmosphere for those who appreciate the beauty of rain and greenery. While summer is less favourable due to the heat, it can be a good option for those seeking a quieter visit. Each season brings its unique charm to Thiruvananthapuram, ensuring a memorable experience whenever you choose to visit.