Answer:
So Antarctica has a ice-cap climate. However, it is mainly dominated by a tundra climate.
Step-by-step explanation:
This is an interesting question, and has several answers. The climate in Antartica is ice-caps and mostly tundra. However, it is classified as a desert.
This might be a bit confusing, but you are specificly talking about climate, so the answer is tundra, not desert.
Simple answer:
Tundra