There are four winter months in India oct, nov, dec,and jan. are the months for winter. During January there is continu dense fog in the sky every year. Due to fog whole day Sun light is not available. The dense fog is for a weak too. Air temprature is 4 degree C. at night in planes. In hill stations it is 0 degree c. Life is in danger during winter. Schools and colleges are closed due to cold waves in India.