Always carry some light woolen cloth and a Rain Coat or Umbrella whenever you are visiting any Hill Station.
Weather is unpredictable at Hill Stations.
The winter season is the best time to view the beauty of this Buddhist pilgrimage site in India. If you have planned to to visit Dharamsala, India in winters, you must carry some heavy woollen cloths. .
The summer months in Dharamsala from mid May to mid October are pleasant.