When to Visit Antarctica

Peak summer brings round-the-clock daylight and the peninsula's warmest readings, usually around -2°C (28°F). Wildlife takes over, penguin chicks cover the ground, seals lounge on floes, whales pack the channels.

Summer continues with 20+ daily hours of light, though temperatures drift downward. Humpbacks and minkes feed intensely before heading north, making this peak whale-watching season.

The transition month, daylight drops from 12 to 6 hours, temperatures head toward -15°C (5°F). Research stations shut down summer operations as sea ice returns.

Winter grips, the sun barely rises, temperatures plunge below -25°C (-13°F). All tourism halts as polar night takes hold.

Darkness reigns 24/7. Howling winds create ground blizzards lasting days. Interior stations record -60°C (-76°F) and lower.

The year's coldest stretch. The aurora australis dances across endless night while frozen sea ice expands the continent to twice its summer size.

Mid-winter darkness continues. Only the hardiest researchers stay in heated stations. The ice shelf creaks under expansion strain.

Still black and fierce, though the sun edges back toward the horizon. Wind chill turns -40°C into something nearer -80°C.

The first light returns, maybe an hour of midday twilight. Temperatures remain extreme but the psychological shift toward spring starts.

Spring awakens with 6-8 hours of daylight. Readings rise toward -15°C (5°F) and supply ships chart courses through breaking ice.

Early summer arrives, 16+ hours of daylight, temperatures climbing above -10°C (14°F), expedition vessels arriving. Penguins retake breeding grounds.

Summer reaches full force with 20+ hours of daylight and temperatures near -2°C (28°F). Icebreakers carve through melting sea ice as the Antarctic tourism season hits its height.