The city primarily experiences four seasons, namely summers, winters, monsoons and post-monsoons.
Summers in Rupnagar are hot and dry with frequent sandstorms. Temperature during summers can sometimes rise to as high as 45 °C.
End of June marks the commencement of the monsoon season in Rupnagar that brings relief to people due to lowering of temperature. The monsoon period extends till the middle of September. The city experiences an average rainfall of around 775.6 mm with an increase in humdity.
Rupnagar is charactersied by bracing Winters with the temperature dipping as low as 4°C . The coldest months of this season are December and January.