The Rock Garden shares the climate of Chandigarh, which is classified as a humid subtropical climate (Köppen Cwa). The region experiences extreme variations in temperature. Summers (April to June) are intensely hot, with temperatures frequently exceeding 40°C (104°F).
The monsoon season brings heavy rainfall and high humidity from July to September. Winters (November to February) are mild and pleasant, with average temperatures ranging between 10°C and 20°C (50°F to 68°F), occasionally dropping lower at night. The best time to visit the Rock Garden is between October and March, when the weather is cool and comfortable for outdoor exploration.

