September or October (autumn) and March or April (spring) is the best month to visit Assam when the temperature is pleasant and moderate for the visitors. Assam receives heavy rainfall and experiences humidity levels in the monsoon season while during summer, the tourists feel sweating due to scorching heat. On the other hand, the winter season is pleasant with cool nights and sunny days but the rainfall is moderate.
The summer season begins in April and goes till June. This season is particularly famous among the tourists because the widest range of activities is open. In the summer season, this North-East region is a refreshing treat for the visitors. The average temperature of this season between 30 degrees Celsius to 35 degrees Celsius and the climatic situations are pleasant for the tourists. The lower temperature is present in the summer season until April but the temperature goes rise in May. Summer season is the ideal time to visit Assam to explore the wildlife sanctuaries and national parks since wild animals come to waterholes to escape from the heat. Also, adventure seekers can partake in exciting activities like river rafting, nature photography, parasailing, trekking, and cruising, etc. The popular festival of the summer season is Bahag Bihu that comes in the month of April.
This chilly season starts in October and continues until March. This time is considered the most pleasant time to explore Assam due to its comfortable temperature which ranges between 6 degrees Celsius to 8 degrees Celsius. During the winter season, the paddy fields look resplendent so that this season is the best season to visit Assam. This season is the ideal season for adventure activities like camping and trekking as well as sightseeing. A large number of festivals held during the winter months where the visitors get an enjoyable cultural experience. The famous festival of Assam is the Bhogali or Magh which is celebrated in the month of January.
Monsoon Season starts in July and lasts until September. The temperature conditions are slightly lower than the summer season and are from 28 degrees Celsius to 32 degrees Celsius. This season receives frequent storms and heavy showers across the state that may restrict the number of activities for the tourists. Also, the low-lying areas of the river face frequent flood situations. In this season, it is advisable for people to avoid traveling in the hilly areas as there are more chances of the landslide. Also, the wildlife sanctuaries remain closed during the rainy season and tourists can not enjoy adventure activities like trekking and river rafting. The Kangali Bihu or Kati Festival is celebrated in the month of September or October.