Best time to visit Trivandrum is From October to March because the weather during this time is pleasant. However, the weather of Trivandrum is almost same all through the year. So, you can visit Thiruvananthapuram anytime.
The months from March to May establish the summer season in the city. The normal temperature during this time is 35 degree Celsius. The atmosphere is commonly hot and dry. There are likewise odds of certain showers in the long stretch of April and May which can give some relief. During this season, the atmosphere is something which isn't too good for sightseeing. The temperature fluctuates between 25°C to 37°C during summer.
The months from October to February are winter months, which stays lovely with periodic light downpour showers. November forward, the temperature plunges till 18 degree Celsius. This is the high tourist season. November acquires the winter season in Trivandrum. It endures till February. The temperature drops further and shifts between 18°C to 30°C. It is considered as the best time to visit Thiruvananthapuram as the climate stays cool.
Rains touches base in the long stretch of June and keeps going on till September. Trivandrum gets overwhelming precipitation during this season. The climate stays cool and wonderful with a drop in temperature from 30°C to 22°C. The period of June to September as the storm a very long time in the city. Even though Trivandrum gets less precipitation contrasted with different partners in Kerala, yet in June and July it rains vigorously. It can likewise get excessively damp in the rainy months however the city is visited by numerous who like to see the lavish green environ. It can certainly be another best season to visit Trivandrum apart from winter.