Climate In Andaman And Nicobar Islands

Knowledge of the climate of a place can help you be more prepared for prospective weather conditions. If you are a farmer, the possible on-set of rains could mean preparing the fields or abundance of fodder so you begin making hay. For some knowledge of climate is an academic enterprise to satisfy intellectual curiosity or prove research hypotheses. Every place on this plane of existence has its climate. Andaman and Nicobar Islands also have climate conditions that describe them.

Unique Facts

The Andaman and Nicobar Islands are part of a group of islands situated in the Bay of Bengal in the Union Territory of the Republic of India. The two islands are separated by the 10 degrees latitude north of the equator, with the Andaman to the north and Nicobar islands to the south. They jointly cover an area of about 2,400 square kilometers. The Andaman Islands are said to have 5 indigenous communities in the territory designated by the Indian government as vulnerable. The Andaman and Nicobar Islands are renowned attractive beaches and spectacular sites.


Climate refers to the prevailing weather conditions of a place calculated over a long period of time. The climatic conditions are given as averages and therefore sum up the weather conditions. Climate includes

  • Variations in temperature
  • Humidity
  • Wind
  • Precipitation
  • Rainfall among others

Tropical climate

The Andaman and Nicobar Islands are separated by the 10 degrees latitude north of the equator. The Andaman islands are situated to the north of the 10˚N while the Nicobar Islands lie south of the latitude. Both are situated between the equator and the tropic of cancer. The two groups of islands therefore experience a tropical climate.


Found within the tropics, Andaman and Nicobar Islands have very warm climatic conditions without extreme variations in temperature.


  • The islands experience on average 6.35 daily hours of sunlight in annually.
  • The month of March experiences 9.37 sunlight hours, being the longest in the year.
  • June exhibits the shortest sunlight hours estimated at an average of 3.22 sunlight hours.
  • 54.9 percent of the sunlight hours are sunny
  • 45.1 percent of daylight hours are cloudy or are not so bright
  • On average the sun at mid-day is 73 degrees overhead.

Hottest and Coldest Months

Even though average conditions may be given in a year to indicate the temperature, the general warmth and coldness of a place differs from day to day.

Hottest Months

  • The hottest months range from March to May
  • The average temperature in the hot season ranges from 26˚C to 28˚C
  • The highest hot days in the 3 month period ranging from 31 to 32
  • The coldest days in the hot season ranging from 22˚C to 23˚C
  • The hottest month is April with an average of about 28˚C

Coldest Months

  • The coldest months range from December up to February yearly
  • The average cold temperatures captured vary between 25˚C to 26˚C
  • The hotter days of the cold months are on average 29˚C
  • The coldest range between 21˚C and 22˚C
  • On average, the coldest month is January estimated at 25.2˚C



These tropical islands are located in the Bay of Bengal. Lying close to 0˚ altitude and being close to the Ocean they experience

  • Relatively high humid conditions throughout the year
  • The humidity is estimated to range between 70 percent and 90 percent


Medium to heavy rainfall is experienced in this region

  • The Islands receive rainfall on average 180 days a year
  • The rainfall season occurs twice annually.
  • The southwest monsoon usher in rainfall between mid-May and the month of September
  • While the northeast monsoon bring rainfall from the month of November to January
  • Annual rainfall is estimated at 3180mm


The Andaman and Nicobar Islands experience two major winds

  • The rainfall coursing monsoon winds blow from off the coast of the Indian Ocean bringing rainfall
  • They begin off as dry monsoons
  • The winds gather moisture over the Indian Ocean to become the rainfall causing wet monsoons over India.
  • The Southwest monsoon bring rainfall in May through to September
  • The Northeast monsoon winds are experienced between November and January

Weather Patterns

There are 5 major weather patterns that occur in the Andaman and Nicobar archipelago.

  • The summer dry spell is experienced between January and April
  • The monsoon period is ushered in by the rainfall causing monsoon winds namely
  • The southwest monsoon between mid-May up to mid- September
  • The Northeast monsoon between mid- November to mid-January
  • The rainy season is experienced twice annually between May and January. It coincides with the onset of the monsoons
  • The hot weather season occurs between March and May
  • The cold season is experienced between December to February

General Weather Conditions

The Andaman and Nicobar islands generally experience

  • Moderately calm weather throughout the year.
  • No extremes in temperature
  • Sea breeze because of proximity to the ocean
  • Generally high humidity
  • 2 Wet monsoon winds annually
  • Rainfall conditions twice annually

Although the weather conditions are generally calm the area experiences

  • Occasional stormy weather
  • Occasional heavy rains


  • The Andaman archipelago is noted for its relatively very warm weather and relatively high humid conditions. The high humidity is contributed by closeness to the ocean.
  • The region has no winter season but has an average of 6.35 daily sunlight hours. The sunlight occurs a greater part of the sunlight hours while 45.1 percent of the sunlight hours are cloudy or hazy.
  • A dry weather spell is experienced between the last half of January to April. Which incidentally comes close on the hills of the hottest and coldest months.
  • The dry weather spell is devoid of the wet monsoon winds therefore is the calmest of the year


The Andaman and Nicobar islands experience a pleasant weather variety that comprises of rainfall, hot and warm weather conditions as well as 2 wet monsoon winds. Location in the Bay of Bengal and proximity to the ocean occasions a sea breeze and generally high humidity. Although prone to occasional storms, the climatic conditions can be described as moderately calm tropical climate.

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