The best time to go for Rajgir tour is winter season during months of October to March. Summer arrives in Rajgir in April and continues till June with average temperature between 23°C and 38°C. Humidity level is high that makes the place escapable for vacationers. Monsoon arrives during the months of July and stays up to September with regular rainfall. Winter comes in November and stays till February. Temperature lasts between 16°C and 25°C and this is the best time to visit Rajgir.