Pre-winter and winter, starting October to February, is comfortable and the best season to visit Pondicherry. October and November may have torrential rain sometimes due to retreating monsoon but otherwise it is the perfect time to plan a trip to Pondicherry. The temperature never drops below 17 degree Celsius. This season is ideal for sightseeing in Pondicherry as well as for trekking. Light woolens are preferred. One must not visit during Monsoons if they wish to indulge in trekking in Pondicherry.