May weather forecast
Antarctica

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Flag of Antarctica
Flag of Antarctica

Weather in May

May in Antarctica marks the beginning of the long, dark winter season. Temperatures continue to drop dramatically with coastal areas experiencing frigid conditions between -20°C (-4°F) and -15°C (5°F). The interior of the continent becomes even colder, with temperatures dropping as low as -65°C (-85°F).

Notable research stations such as McMurdo Station and the Amundsen-Scott South Pole Station register lower temperatures. At McMurdo Station, temperatures generally hover around -20°C (-4°F), whereas at the South Pole Station, the average temperature falls to -65°C (-85°F).

During May, the sea ice continues to thicken and expand, almost completely sealing off the continent from conventional sea travel. Tourism during this period is virtually non-existent due to these harsh conditions.

The majority of wildlife has migrated away from Antarctica by May to escape the severe winter, with few exceptions. Emperor penguins, however, are just beginning their breeding cycle and are one of the few species that remain on the ice.

Compared to April, May is colder and darker, with the sun barely appearing above the horizon. Looking forward to June, Antarctica will continue to experience extremely cold temperatures and extended periods of darkness as it is immersed fully into the winter season.

  • Artigas Base - May »
    April through August, with an average of 0h of sunshine, are months with the least sunshine in Artigas Base. The months with the least sunshine in Artigas Base are April through August, with an average of 0h of sunshine.
  • McMurdo - May »
    The months with the shortest days in McMurdo are January, May through July, November and December, with an average of 0h and 0min of daylight. Throughout the year, in McMurdo, there are 46.1 rainfall days, and 201mm (7.91") of precipitation is accumulated.
  • Snow Hill Island - May »
    May is the month with the coldest seawater in Snow Hill Island, with an average sea temperature of -2°C (28.4°F). With the onset of May, the average high-temperature in Snow Hill Island, Antarctica, subtly recedes from April's freezing cold -10°C (14°F) to an extremely cold -13°C (8.6°F).
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Antarctica

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