Best Time to Visit Andaman and Nicobar
Andaman and Nicobar Islands have a moderate temperature throughout the year within the range of 22 degree C to 29 degree C with a tropical climate. There are no severe weather conditions, apart from tropical storms and rains in late summers and monsoons.
Summers ranging from March to May are warm, but enjoyable with sea breeze and a humidity level of about 75%; thus making it suitable for all types of tourist activities. Tourists are also recommended to visit Andaman and Nicobar islands as they could have more options both outdoors as well as indoors.
There are no traffic jams or water logging and the scenic beauty and the lush green vegetation of the islands are more predominant in monsoons. There is medium to heavy rainfall in monsoon (May to August) and post monsoon (September to November).
You could get good discounts in hotels in Andaman during monsoon season and winter which is rare on these islands is not chilly and perfect for sightseeing. So if you are still thinking as to when is the best time to visit Andaman and Nicobar, then you don't need to worry as there would be tour operators who would give you prior information on this.
The best time to visit Andaman and Nicobar Islands is from October to May as there is a heavy rainfall during June to September. October to May is the perfect period for sightseeing and also to engage in water sports activities. There are also several festivals celebrated in these islands in October including Durga Pooja and Mari Amman festivals. There is also a 10 day Island Tourism festival in December and January which is exciting.
Getting to Andaman
All foreign visitors to India need a visa which must be obtained prior to their departure as India doesn't issue visas on arrival. Moreover, foreign visitors to Andaman also require a special restricted area permit which could be obtained upon their arrival.
They could also apply for the permit through their respective embassies while obtaining the Indian visa. However, it would be advisable to get the permit on arrival as it's a lot faster this way. The restricted area permit, which is issued free of cost, is valid for a month and could be extended for 15 days more.
South Andaman Island, Neil Island, Havelock Island, Diglipur Island, Baratang Island, etc. are some of the many islands that are covered under this permit for night halt. Indian nationals don't require any permit to visit Andaman. However, permits are required to visit Nicobar Islands and other tribal areas which are given in exceptional cases.
Going through air is the quickest and the most convenient way to get to these islands. There are several airline operators who operate their services to these islands. So decide when is the best time to visit A and N and just pack your bags at the earliest.
You could also check as to when is the best time to visit A and N by going through different sites on Andaman and Nicobar on the internet. They would provide you a clear idea apart from the above reference.