The best time to visit the city is during the winter months of December to February. The weather is very pleasant and conducive for sightseeing.
These months are extremely hot and it is not recommended to travel during this period. Should you choose to travel during this time, it is recommended you wear light cotton clothes, cover yourself from the harsh sun, and use lots of sunscreen.
The monsoon months begin in June and lasts till September. If you decide to visit Tanjore during this time it is recommended that you carry an umbrella and waterproof footwear.