The hottest month in Andaman Islands is April when the average maximum temperature is 34°, average temperature is 29° and average minimum temperature is 25°.
The coolest month in Andaman Islands is February when the average maximum temperature is 31°, average temperature is 27° and average minimum temperature is 23°.
The longest days in Andaman Islands are in June, with an average of 12.8 hours of daylight per day. December has the shortest days with an average of 11.4 hours of daylight per day.
The sunniest days in Andaman Islands are in February which has the most hours of sunshine per day with an average of 6.8 hours of sunshine per day, making it a quite sunny month with some cloud cover. October has the least sunshine with an average of 5.1 hours of sunshine per day, making it a sunny month that is overcast at times.
The ultraviolet index is the highest in April when it reaches 14.6 and lowest in December when it reaches 9.8.
An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The warmest sea water temperatures in Andaman Islands are found in April when they peak at 31° and lowest in February when they dip to 27°.
The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.
The wettest month in Andaman Islands is June with 68.3cm of rain and July has the most days of rain with 27 days with some rain, a very wet time to visit the beach.
The driest month in Andaman Islands is February with 0cm of rain and the least days of rain with 0 days with some rain, an extremely dry time to visit the beach.
The most humid month in Andaman Islands is June with a dew point (an indicator of humidity) of 26° which is extremely humid and uncomfortable unless you are on a beach. At night you would most likely require airconditioning.
The least humid month in Andaman Islands is January with a dew point of 23° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.
The most windy month in Andaman Islands is July when the average maximum windspeed is 24kmh and the average wind speed is 16kmh.
The least windy month in Andaman Islands is April when the average maximum windspeed is 10kmh and the average wind speed is 4kmh.