Bilaspur features a tropical wet and dry climate (Köppen climate classification *Aw*), characterized by three distinct seasons: a hot summer, a monsoon season, and a mild winter.
* **Summer (March to June):** Summers are exceptionally hot and dry. Daytime temperatures frequently exceed 40°C (104°F) and can peak around 45°C (113°F) in May. * **Monsoon (July to September):** The southwest monsoon brings significant rainfall, averaging about 1,200 mm annually. Humidity spikes during this period, bringing lush greenery to the region but also occasional localized flooding near the Arpa River. * **Winter (November to February):** Winters are mild, dry, and highly pleasant. Temperatures typically range from 10°C to 25°C (50°F to 77°F).
The best time to visit Bilaspur is during the winter months, between October and March, when the weather is comfortable for outdoor exploration.
