Tourist season begins from November to mid-May with the absolute peak season from December to March. June, July, August and September are considered to be off season because of heavy rain in these islands. However, travelers at this time can get great off season prices and discounts. Weather is highly unpredictable in the Andaman’s. Do also note that even in November and December one could experience light showers. Being tropical islands it is difficult to accurately predict the cycle of rains.