Summers in Hazaribagh are uncomfortable with temperatures rising above 30 degrees Celcius. The monsoons, though a relief from the heat makes the forests unapproachable. The pleasant winter is the best time to enjoy the essence of Hazaribagh.
| Month | High/Low (°C) | Rain |
|---|---|---|
| January | 22°/ 10° | 6 days |
| February | 25°/ 11° | 3 days |
| March | 28°/ 17° | 7 days |
| April | 33°/ 19° | 10 days |
| May | 39°/ 23° | 3 days |
| June | 36°/ 25° | 15 days |
| July | 30°/ 23° | 23 days |
| August | 29°/ 22° | 24 days |
| September | 28°/ 21° | 21 days |
| October | 27°/ 18° | 12 days |
| November | 27°/ 15° | 0 days |
| December | 22°/ 10° | 4 days |