The only feasible months for visits to Antarctica are the austral summer months of November through March. The daily temperature will usually be in the mid-30°s Fahrenheit. You can expect many clear and sunny days but overcast skies with poor visibility and occasional snowfall can also occur. South Georgia’s weather is influenced by its rugged topography. The weather is highly changeable, alternating between periods of bad weather and often sunny weather lasting for two to three weeks. The katabatic winds flow seaward from the uplands with sometimes sudden and high intensity. Daily summer temperatures in the Falkland Islands average from 37°F-56°F. Overcast skies and rain are not uncommon, and it’s commonly quite windy. Buenos Aires and Santiago will be at the height of summer during your visit. You can expect pleasant daily temperatures, cloudless blue skies, and only very occasional rain. The average daytime high is from 72°F-87°F, and the average nightly low is from 50°F-68°F.