For me, 70-80 F. In the winter, it gets below -30 F here. In the summer, it gets above 100. I’m not fond of extremely hot or extremely cold. When it’s too hot, you can only take off so many clothes and when it is too cold, I end up with so many layers of clothing that it is hard to bend my arms and legs.
I like winters because Chennai, where I live has only a hot climate. But even earlier when I lived in Delhi where both extremes were there, I loved winters because as long as I kept working I used to feel warm and I loved the flowers that blossom in winters. Winters I could atleast cover with some extra clothing whereas summer here use to be hot and humid and I don’t like the heat.