The best time to visit Ulsoor Lake in Bangalore, locally known as Bengaluru, is during the city's moderate weather conditions, which are typically between the months of October and February. During this period, the climate is pleasantly cool, and you can enjoy a serene boat ride on the lake or a relaxing stroll around its periphery without the discomfort of extreme heat. The cool breeze and the relatively lower humidity levels provide an ideal atmosphere for outdoor activities. Bangalore does not experience severe winters; therefore, the months of winter provide you with the perfect weather that is neither too hot nor too cold.
Moreover, if you are interested in experiencing local festivals and cultural events, visiting around late August during the time of Ganesha Chaturthi can also be quite rewarding. Ulsoor Lake hosts a grand immersion of Lord Ganesha's idol, which is a sight to behold and offers a glimpse into the local traditions and festivities. However, it is advisable to avoid the monsoon season from June to September, as heavy rainfall may disrupt your plans and the lake's water level might be too high for boating. The mornings are typically less crowded, making it a good time for those seeking a peaceful experience, while evenings offer a picturesque sunset view.