Assam

Winter is the best time to visit Assam since the weather is very pleasant, making it an ideal time for adventure activities. Camping, trekking are most enjoyable then as are the lush greenery and full bloomed forests. Winter is also the time for the various festivals in the state giving you a wonderful cultural experience.
Frequent heavy showers and storms across the state might disrupt easy movement and restrict tourist activities. Some low-lying areas tend to flood. So exploring Assam during the monsoon is better avoided.
Summers are the best time to visit the national parks and wildlife sanctuaries in Assam. During this time the animals are drawn towards waterholes which make for easy spotting.

Temperatures
Oct-Mar: 8-20°C
Apr-Jun: 32-38°C
Jul-Sep: 26-32°C

By Air: The city of Guwahati has an international airport - Lokapriya Gopinath Bordoloi International Airport which is 25 km away from the city. Pre-paid taxis are available outside the terminal to reach the city. Dibrugarh has a domestic airport connecting the state to other major cities in India.

By Road: Assam is well connected by a good network of highways to major cities in its neighboring states. Within the state, there is a good connectivity to far remote corners via road. The road conditions are good, making for comfortable roads trips to explore Assam. Assam State Transport Corporation or ASTC, has good bus services within the state and to adjoining states. Road travel is best avoided during the monsoons since the state is prone to landslides causing disruption in your travel.

By Rail: Some of the major railway stations in Assam are at Guwahati, Dibrugarh, Goalpara, Nagaon, Tezpur, Jorhat, Silchar, and Golaghat. These are well connected to the cities across the country.