Be prepared for harsh weather - and that does not just mean the cold. Wind and strong sun are also issues, and the weather can go through a full four seasons in the course of a day. The ozone hole over Antarctica means that the UV levels are stronger here (particularly in the spring: October and November) and you should take precautions to prevent sunburn. It would be pointless to tell you average temperature ranges as they fluctuate throughout the region, throughout the season and throughout the day. While most of the city areas receive little snow, they can get quite cold in the winter (though they rarely drop below 0°C). January and February are the height of summer, while July and August are the heart of winter.