AdventureSmith Explorations knows Antarctica weather from experience. Let us assist you plan your trip to Antarctica with our knowledge on seasonal variations and climate nuances. Read our weather tips for Antarctica travel and scroll down to see climate tables with detailed data on temperature, rainfall and daylight averages by location.

Enjoy Austral Summer

During the summer months when expedition cruising takes place (November-March) the winds abate considerably and the weather is surprisingly comfortable, averaging between 20 and 50 degrees F. Summertime in Antarctica also means 18-24 hours of sunlight, which allows life to flourish for a brief summer period and allows for our extensive exploration by small ship cruise.

Avoid Antarctic Winter

Antarctica travel is not available in the winter, as temperatures near the South Pole range from -40 to -94 F and winds can reach up to 200 miles per hour. The lowest Antarctic temperature ever recorded is -129F, the coldest temperature ever recorded on Earth. Weather in Antarctica is a lesson in extremes. Antarctica is the world’s coldest, windiest and driest continent.

Ushuaia Weather

Ushuaia, Argentina, is one of the southernmost cities in the world with a maritime climate that is tempered by in the influence of coastal mountains and the ocean. The snow-free summer is October through May with average lows of 40 and average highs of 60 degrees F.  This is the best climate in Ushuaia for hiking and trekking. Winter sees colder weather with more snow.

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November to Early December

During November to early December, late spring/early summer in Antarctica, colder temperatures prevail with more ice. Scenery is pristine, white and otherworldly with frequent giant iceberg and pack ice encounters. Courting season for penguins begins during this time, and seals become visible on ice flows. Elephant and fur seals establish breeding territories. Spring wildflowers are in bloom in the Falklands and South Georgia.

Mid-December & January

Mid-December and January (mid-Summer in Antarctica) are typically Antarctica’s warmest months. Days get longer with increased amounts of sunshine. Penguin chicks are abundant. Seal pups become visible on South Georgia & Falklands. Receding ice allows for more inland exploration.

February & Early March

During February and early March (late Summer in Antarctica), whale sightings are at their peak. More snow-free beaches allow for sightings of large penguin rookeries. Penguin chicks start to fledge. Receding ice allows ships to explore further south.

Antarctica By Month

Seeking more Antarctica weather information and when to best see wildlife you’re interested in? Read Antarctica by Month: The Best Time to Go. This month-by-month guide has tips on everything from weather, wildlife, when certain activities are offered and the general benefits of each month.

Antarctica Climate

Averages by Location

Antarctic Peninsula

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Avg. High (F)363432332829242225293234
Avg. Low (F)332826242219151617222529
Avg. Rainfall (Inches)2.12.32.72.82.51.81.61.82.02.61.91.5
Avg. Daylight (Hours)1614.512.510.598810121415.516.5

Falkland Islands

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Avg. High (F)555553494441394144485153
Avg. Low (F)414241383432323232353740
Avg. Rainfall (Inches)2.94.55.35.35.75.35.55.33.73.13.73.3
Avg. Daylight (Hours)16.51513108.578912141617

South Shetland Islands – King George Island

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Avg. High (F)293330262221201923252627
Avg. Low (F)252522161165712172123
Avg. Rainfall (Inches)1.52.63.53.32.82.42.22.42.93.2.72
Avg. Daylight (Hours)19161310756912151820

South Georgia

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Avg. High (F)464846423733333539414446
Avg. Low (F)333533302623232326283032
Avg. Rainfall (Inches)3.74.55.35.35.75.35.55.33.73.13.73.3
Avg. Daylight (Hours)16.51513108.578912141617

Ushuaia, Argentina

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Avg. High (F)595754494340404348525556
Avg. Low (F)364241363229293032363941
Avg. Rainfall (Inches)1.21.31.922.12.11.82.41.61.41.41.6
Avg. Daylight (Hours)17.415.313.110.8988.610.212.314.616.918.2