Ranchi has always been considered a health resort for people coming from warmer neighbouring states. Even today, Ranchi does not have extreme weather and is fairly pleasant throughout the year.
photo of JSCA International Stadium (by Akash Guruji)
The best part of planning a trip to Ranchi is that you can do it throughout the year without worrying about the weather.
A photo of Hundru Fall (one of the many waterfalls around the city), Ranchi District
For knowing more about what all the city has in store for you, visit ixigo's travel guide page on Ranchi.
Do not forget to click some pictures and sending them.