The night temperature in Keylong, the state's coldest place, was 2.9 degrees Celsius below the freezing point.
Kalpa saw a low of minus 1.2 degrees, while the temperature in Manali was two degrees Celsius.
The weatherman said there are chances of heavy rainfall and snowfall in the state Dec 13 and 14 as western disturbances, the weather systems that cause precipitation, are active in the region.