These months are good for a trip to Trichy because the weather cools down after the monsoons and makes it good for sightseeing and exploring. The temperature lies between 22 and 19 degrees Celsius and is pleasant most of the times.
Summers should be avoided as the weather is very hot and humid too at the end of summers. The temperature stays between 36 and 41 degrees Celsius.
Trichy receives moderate rainfall during the monsoons and city looks greener and fresher after the rains. The monsoon could also be considered for a trip to Trichy. However, do carry an umbrella!